diff --git a/crates/engine/src/cmd/library.rs b/crates/engine/src/cmd/library.rs
index a6d2cbf518..ae8a7ef6b2 100644
--- a/crates/engine/src/cmd/library.rs
+++ b/crates/engine/src/cmd/library.rs
@@ -346,6 +346,36 @@ impl Library {
         }
     }
 
+    /// Name item `r` `name`, in its place in its kind's list; an item keyed by its name keeps its
+    /// group under the new name (a graphic is keyed by its id, which stays).
+    fn rename_item(&mut self, r: &ItemRef, name: &str) {
+        fn set<'a>(mut names: impl Iterator<Item = &'a mut String>, from: &str, to: &str) {
+            if let Some(n) = names.find(|n| n.as_str() == from) {
+                *n = to.to_string();
+            }
+        }
+        let from = r.item.as_str();
+        match r.kind {
+            ItemKind::Color => set(self.colors.iter_mut().map(|c| &mut c.name), from, name),
+            ItemKind::Gradient => set(self.gradients.iter_mut().map(|g| &mut g.name), from, name),
+            ItemKind::Pattern => set(self.patterns.iter_mut().map(|p| &mut p.name), from, name),
+            ItemKind::CharStyle => set(self.char_styles.iter_mut().map(|t| &mut t.name), from, name),
+            ItemKind::ParaStyle => set(self.para_styles.iter_mut().map(|t| &mut t.name), from, name),
+            ItemKind::Graphic => {
+                if let Some(g) = self.graphics.iter_mut().find(|g| g.id == from) {
+                    g.name = name.to_string();
+                }
+                return;
+            }
+            ItemKind::Unknown => return,
+        }
+        for x in self.groups.iter_mut().flat_map(|g| g.items.iter_mut()) {
+            if x == r {
+                x.item = name.to_string();
+            }
+        }
+    }
+
     /// Move item `r` next to `to`, an item of its kind: just before it, or just after it when
     /// `after`, in their kind's list (the order the panel shows them in).
     fn place_next_to(&mut self, r: &ItemRef, to: &ItemRef, after: bool) {
@@ -683,7 +713,7 @@ pub fn specs() -> Vec<CommandSpec> {
             "Use Library Item",
             [],
             None,
-            "{library?, kind, item: name (graphic: id or name), center?: [x, y] (graphic; default: the first artboard's centre), to?: fill|stroke (colors, gradients, patterns; default: the kind's), recorded?: the item as it was when used (recorded in the journal so a replay matches)} graphic: place a copy centred on `center`, its resources pasted along, selected, one undo step; colors and gradients: paint the selection (and the defaults) as paint.setFill/paint.setStroke, a gradient fitting each object; a spot color links to the document's spot swatch of its ink's name, added when the document has none of that colour (a name taken by another colour gets a number), one undo step; patterns: add the pattern and its swatch to the document (a name the document gives another pattern gets a number; the same pattern is reused) and paint the selection (and the defaults) with it, one undo step; charStyle/paraStyle: add the style to the document (a name taken by different attributes gets a number) and apply it to the selected text, one undo step → {kind, ids?, style?}",
+            "{library?, kind, item: name (graphic: id or name), center?: [x, y] (graphic; default: the first artboard's centre), to?: fill|stroke (colors, gradients, patterns; default: the kind's), recorded?: the item as it was when used (recorded in the journal so a replay matches)} graphic: place a copy centred on `center`, its resources pasted along, selected, one undo step; colors and gradients: paint the selection (and the defaults) as paint.setFill/paint.setStroke, a gradient fitting each object; a spot color links to the document's spot swatch of its ink's name, added when the document has none of that colour (a name taken by another colour gets a number), one undo step; patterns: add the pattern and its swatch to the document (a name the document gives another pattern gets a number; the same pattern is reused) and paint the selection (and the defaults) with it, one undo step; charStyle/paraStyle: add the style to the document (a name taken by different attributes gets a number; a character style's color linked to a swatch that isn't a global or spot swatch of the document keeps the color it shows, unlinked) and apply it to the selected text, one undo step → {kind, ids?, style?}",
             has_doc,
             use_item
         ),
@@ -696,6 +726,24 @@ pub fn specs() -> Vec<CommandSpec> {
             always,
             remove_item
         ),
+        cmd!(
+            "library.renameItem",
+            "Rename Library Item",
+            [],
+            None,
+            "{library?, kind, item: name (graphic: id or name), name: string (trimmed; 1 to 256 characters)} rename an item; it keeps its place and its group; another item of its kind with that name is an error, and its own name changes nothing; not undoable → {library, kind, item: its key now (graphic: its id), name}",
+            always,
+            rename_item
+        ),
+        cmd!(
+            "library.addToCharacterStyles",
+            "Add to Character Styles",
+            [],
+            None,
+            "{library?, item: a character style's name, recorded?: the style as it was when added (recorded in the journal so a replay matches)} add a library character style to the document's character styles without applying it (no text needs to be selected): a document style of that name with the same attributes is reused, a name taken by different attributes gets a number; a color linked to a swatch that isn't a global or spot swatch of the document keeps the color it shows, unlinked; a new style is one undo step, a reused one none → {style: its name in the document, existing: bool}",
+            has_doc,
+            add_to_char_styles
+        ),
         cmd!(
             "library.createGroup",
             "New Library Group",
@@ -1231,8 +1279,13 @@ fn use_item(s: &mut Session, p: &Value) -> Result<Value> {
         Kind::CharStyle | Kind::ParaStyle => {
             let para = kind == Kind::ParaStyle;
             let name = data.get("name").and_then(Value::as_str).map(str::trim).filter(|n| !n.is_empty()).unwrap_or("Style").to_string();
-            let attrs = data.get("attrs").and_then(Value::as_object).cloned().unwrap_or_default();
+            let mut attrs = data.get("attrs").and_then(Value::as_object).cloned().unwrap_or_default();
             let doc = &s.doc()?.doc;
+            if !para {
+                unlink_missing_swatches(doc, &mut attrs);
+            }
+            // Compared in the form the document stores them in.
+            let attrs = super::textstyles::stored_style_attrs(doc, para, &attrs).unwrap_or(attrs);
             // The document's style of that name when it is the same; else a new one.
             let same = super::textstyles::style_attrs(doc, para, &name).is_some_and(|a| a == attrs);
             let style = if same { name } else { unique(&name, |n| super::textstyles::style_attrs(doc, para, n).is_some()) };
@@ -1361,6 +1414,109 @@ fn remove_item(s: &mut Session, p: &Value) -> Result<Value> {
     ok()
 }
 
+fn rename_item(s: &mut Session, p: &Value) -> Result<Value> {
+    const C: &str = "library.renameItem";
+    let (id, kind, item) = item_param(s, p, C)?;
+    let name = match p.get("name") {
+        None | Some(Value::Null) => return Err(bad(C, "missing `name`")),
+        Some(Value::String(n)) => n.trim().to_string(),
+        Some(_) => return Err(bad(C, "`name` must be a string")),
+    };
+    if name.is_empty() {
+        return Err(bad(C, "missing `name`"));
+    }
+    if name.chars().count() > MAX_NAME {
+        let (label, max) = ("`name`", MAX_NAME);
+        return Err(bad(C, format!("{label} must be at most {max} characters")));
+    }
+    let lib = s.libraries.get(&id).ok_or_else(|| bad(C, format!("no library `{id}`")))?;
+    let r = lib.item_ref(kind.item_kind(), item).ok_or_else(|| bad(C, format!("the library has no item `{item}`")))?;
+    // The item's name now, and whether another item of its kind has the new one.
+    let mut same = false;
+    let mut taken = false;
+    for (_, key, shown) in lib.items().filter(|(k, ..)| *k == r.kind) {
+        if key == r.item {
+            same = shown == name;
+        } else if shown == name {
+            taken = true;
+        }
+    }
+    let key = if r.kind == ItemKind::Graphic { r.item.clone() } else { name.clone() };
+    let out = json!({ "library": id, "kind": str_param(p, "kind"), "item": key, "name": name });
+    if same {
+        return Ok(out);
+    }
+    if taken {
+        return Err(bad(C, format!("the library has another item of that kind named `{name}`")));
+    }
+    s.libraries.change(&id, |lib| {
+        lib.rename_item(&r, &name);
+        Ok(())
+    })?;
+    Ok(out)
+}
+
+fn add_to_char_styles(s: &mut Session, p: &Value) -> Result<Value> {
+    const C: &str = "library.addToCharacterStyles";
+    // A replay (the journal) carries what the style was, so it doesn't depend on the library.
+    let data = match p.get("recorded").cloned() {
+        Some(r) => r,
+        None => {
+            let id = library_id(s, p, C)?;
+            let item = str_param(p, "item").ok_or_else(|| bad(C, "missing `item`"))?;
+            let lib = s.libraries.get(&id).ok_or_else(|| bad(C, format!("no library `{id}`")))?;
+            let t = lib.char_styles.iter().find(|t| t.name == item).ok_or_else(|| bad(C, format!("the library has no item `{item}`")))?;
+            let data = json!({ "name": t.name, "attrs": t.attrs });
+            s.note_journal("recorded", data.clone());
+            data
+        }
+    };
+    let name = data.get("name").and_then(Value::as_str).map(str::trim).filter(|n| !n.is_empty()).unwrap_or("Style").to_string();
+    let mut attrs = data.get("attrs").and_then(Value::as_object).cloned().ok_or_else(|| bad(C, "the library item is damaged"))?;
+    let doc = &s.doc()?.doc;
+    unlink_missing_swatches(doc, &mut attrs);
+    // Compared in the form the document stores them in.
+    let attrs = super::textstyles::stored_style_attrs(doc, false, &attrs).unwrap_or(attrs);
+    // The document's style of that name when it is the same; else a new one, which isn't applied.
+    if super::textstyles::style_attrs(doc, false, &name).is_some_and(|a| a == attrs) {
+        return Ok(json!({ "style": name, "existing": true }));
+    }
+    let style = unique(&name, |n| super::textstyles::style_attrs(doc, false, n).is_some());
+    s.execute("charStyle.new", &json!({ "name": style, "attrs": attrs }))?;
+    Ok(json!({ "style": style, "existing": false }))
+}
+
+/// Unlink a library character style's `fill` and `stroke` colors (solid, and each gradient stop)
+/// from swatches that are not global or spot swatches of `doc`: an unlinked color keeps the color
+/// it shows at full tint, as [`clean_gradient`] keeps a library gradient's stops. A link to a
+/// global or spot swatch `doc` has stays, and takes that swatch's color.
+fn unlink_missing_swatches(doc: &vectorcraft_doc::Document, attrs: &mut Map<String, Value>) {
+    let keep = |name: &str| doc.global_color(name).is_some();
+    for key in ["fill", "stroke"] {
+        let Some(mut paint) = attrs.get(key).and_then(|v| serde_json::from_value::<Paint>(v.clone()).ok()) else { continue };
+        let mut changed = false;
+        let mut unlink = |swatch: &mut Option<String>, tint: &mut f32| {
+            if swatch.as_deref().is_some_and(|n| !keep(n)) {
+                *swatch = None;
+                *tint = 1.0;
+                changed = true;
+            }
+        };
+        match &mut paint {
+            Paint::Solid { swatch, tint, .. } => unlink(swatch, tint),
+            Paint::Gradient(g) => {
+                for st in &mut g.gradient.stops {
+                    unlink(&mut st.swatch, &mut st.tint);
+                }
+            }
+            _ => {}
+        }
+        if changed && let Ok(v) = serde_json::to_value(&paint) {
+            attrs.insert(key.to_string(), v);
+        }
+    }
+}
+
 /// `p`'s `name`, trimmed and clipped, else `default`.
 fn name_param(p: &Value, default: &str) -> String {
     let mut name = str_param(p, "name").map(str::trim).filter(|n| !n.is_empty()).unwrap_or(default).to_string();
diff --git a/crates/engine/src/cmd/textstyles.rs b/crates/engine/src/cmd/textstyles.rs
index 99cfc0a3fc..8134976144 100644
--- a/crates/engine/src/cmd/textstyles.rs
+++ b/crates/engine/src/cmd/textstyles.rs
@@ -506,6 +506,13 @@ pub(crate) fn style_attrs(d: &Document, para: bool, name: &str) -> Option<Map<St
     if para { Kind::Para } else { Kind::Char }.attrs(d, name)
 }
 
+/// `attrs` in the form `charStyle.new` (`para`: `paraStyle.new`) stores them in `d`, or `None`
+/// when they don't pass its checks.
+pub(crate) fn stored_style_attrs(d: &Document, para: bool, attrs: &Map<String, Value>) -> Option<Map<String, Value>> {
+    let kind = if para { Kind::Para } else { Kind::Char };
+    attrs_param(d, &json!({ "attrs": attrs }), kind, "new", None).ok().flatten()
+}
+
 /// The name `charStyle.new` (`para`: `paraStyle.new`) gives a style when it is given none: the
 /// first "Character Style N" ("Paragraph Style N") that no character style (paragraph style) of the
 /// document has.
diff --git a/crates/engine/src/tests/library.rs b/crates/engine/src/tests/library.rs
index 15a8da8104..d7927ec6bf 100644
--- a/crates/engine/src/tests/library.rs
+++ b/crates/engine/src/tests/library.rs
@@ -635,6 +635,210 @@ fn a_library_style_named_with_spaces_comes_in_trimmed() {
     assert_eq!((text.runs[0].style.size, text.runs[0].style.style_name.as_deref()), (31.0, Some("Body")));
 }
 
+/// The size of the first run of text object `id`.
+fn run_size(s: &Session, id: &Value) -> f64 {
+    match &s.doc().unwrap().doc.node(NodeId(id.as_u64().unwrap())).unwrap().kind {
+        vectorcraft_doc::NodeKind::Text(t) => t.runs[0].style.size,
+        _ => 0.0,
+    }
+}
+
+/// Add to Character Styles puts a library character style into the document's character styles
+/// without applying it, with or without type selected, in one undo step; the same style there is
+/// reused without a step, and a name taken by other attributes gets a number. A bad call changes
+/// nothing.
+#[test]
+fn a_library_character_style_is_added_to_the_document_without_applying_it() {
+    let mut s = session();
+    let data = json!({"name": "Kept", "charStyles": [{"name": "Headline", "attrs": {"size": 31.0}}, {"name": "Broken", "attrs": {"size": "big"}}]});
+    let lib = run(&mut s, "library.import", json!({"data": data.to_string()}))["id"].as_str().unwrap().to_string();
+    let styles = |s: &Session| s.doc().unwrap().doc.char_styles.iter().map(|c| c.name.clone()).collect::<Vec<_>>();
+    let undo = |s: &Session| s.doc().unwrap().history.undo.len();
+    // Nothing selected.
+    let before = undo(&s);
+    let r = run(&mut s, "library.addToCharacterStyles", json!({"library": lib, "item": "Headline"}));
+    assert_eq!((r["style"].as_str(), r["existing"].as_bool()), (Some("Headline"), Some(false)));
+    assert_eq!(styles(&s), ["Headline"]);
+    assert_eq!(undo(&s), before + 1, "one undo step");
+    let attrs = &s.doc().unwrap().doc.char_styles[0].attrs;
+    assert_eq!(attrs.get("size"), Some(&json!(31.0)));
+    // Selected type keeps its look.
+    let t = run(&mut s, "text.create", json!({"x": 10, "y": 50, "text": "Body", "size": 9}))["id"].clone();
+    run(&mut s, "select.set", json!({"ids": [t]}));
+    let before = undo(&s);
+    let r = run(&mut s, "library.addToCharacterStyles", json!({"library": lib, "item": "Headline"}));
+    assert_eq!((r["style"].as_str(), r["existing"].as_bool()), (Some("Headline"), Some(true)));
+    assert_eq!((undo(&s), run_size(&s, &t), styles(&s).len()), (before, 9.0, 1), "reused: no step, the type unchanged");
+    // Another style of that name: numbered, still not applied.
+    run(&mut s, "charStyle.setAttrs", json!({"name": "Headline", "attrs": {"size": 5}}));
+    let r = run(&mut s, "library.addToCharacterStyles", json!({"library": lib, "item": "Headline"}));
+    assert_eq!((r["style"].as_str(), r["existing"].as_bool()), (Some("Headline 2"), Some(false)));
+    assert_eq!(run_size(&s, &t), 9.0);
+    let vectorcraft_doc::NodeKind::Text(text) = &s.doc().unwrap().doc.node(NodeId(t.as_u64().unwrap())).unwrap().kind else { panic!("not text") };
+    assert_eq!(text.runs[0].style.style_name, None, "no style applied");
+    // Undo takes the added style back alone.
+    run(&mut s, "edit.undo", json!({}));
+    assert_eq!(styles(&s), ["Headline"]);
+    // Bad calls: nothing changes.
+    let before = (undo(&s), styles(&s));
+    for bad in [
+        json!({"library": lib}),
+        json!({"library": lib, "item": 3}),
+        json!({"library": lib, "item": "Nope"}),
+        json!({"library": "Nope", "item": "Headline"}),
+        json!({"library": lib, "item": "Broken"}),
+        json!({"recorded": {"name": "X", "attrs": "damaged"}}),
+    ] {
+        assert!(s.execute("library.addToCharacterStyles", &bad).is_err(), "{bad}");
+        assert_eq!((undo(&s), styles(&s)), before, "{bad}");
+    }
+    // Without a document it isn't available.
+    run(&mut s, "file.close", json!({}));
+    assert!(s.active().is_none());
+    assert!(s.execute("library.addToCharacterStyles", &json!({"library": lib, "item": "Headline"})).is_err());
+}
+
+/// A library character style whose fill links to a swatch the document lacks is added and applied
+/// with the color it shows, unlinked at full tint; a global swatch of that name in the document
+/// keeps the link and gives its color.
+#[test]
+fn a_library_character_style_linked_to_a_missing_swatch_is_added_unlinked() {
+    let base = vectorcraft_color::Color::rgb(0.2, 0.4, 0.6);
+    let shown = base.tinted(0.5);
+    let linked = vectorcraft_color::Paint::Solid { color: shown, swatch: Some("Brand".into()), tint: 0.5 };
+    let data = json!({"name": "Kept", "charStyles": [{"name": "Accent", "attrs": {"size": 20.0, "fill": linked}}]});
+    let mut s = session();
+    let lib = run(&mut s, "library.import", json!({"data": data.to_string()}))["id"].as_str().unwrap().to_string();
+    let fill = |s: &Session, name: &str| {
+        let st = s.doc().unwrap().doc.char_styles.iter().find(|c| c.name == name).map(|c| c.attrs.clone()).unwrap();
+        serde_json::from_value::<vectorcraft_color::Paint>(st["fill"].clone()).unwrap()
+    };
+    run(&mut s, "library.addToCharacterStyles", json!({"library": lib, "item": "Accent"}));
+    assert_eq!(fill(&s, "Accent"), vectorcraft_color::Paint::Solid { color: shown, swatch: None, tint: 1.0 });
+    // Apply as well, on selected type.
+    let t = run(&mut s, "text.create", json!({"x": 10, "y": 50, "text": "Body", "size": 9}))["id"].clone();
+    run(&mut s, "select.set", json!({"ids": [t]}));
+    let r = run(&mut s, "library.use", json!({"library": lib, "kind": "charStyle", "item": "Accent"}));
+    assert_eq!(r["style"], "Accent", "the added style is reused");
+    assert_eq!(run_size(&s, &t), 20.0);
+    // A document with a global swatch of that name keeps the link.
+    run(&mut s, "file.new", json!({"width": 200, "height": 200}));
+    let other = vectorcraft_color::Color::rgb(0.8, 0.1, 0.1);
+    run(&mut s, "swatch.new", json!({"name": "Brand", "color": other, "global": true}));
+    run(&mut s, "library.addToCharacterStyles", json!({"library": lib, "item": "Accent"}));
+    let vectorcraft_color::Paint::Solid { swatch, tint, .. } = fill(&s, "Accent") else { panic!("not a solid fill") };
+    assert_eq!((swatch.as_deref(), tint), (Some("Brand"), 0.5));
+    // The style with the document's swatch color is the same style: added again, it is reused.
+    let r = run(&mut s, "library.addToCharacterStyles", json!({"library": lib, "item": "Accent"}));
+    assert_eq!((r["style"].as_str(), r["existing"].as_bool()), (Some("Accent"), Some(true)));
+}
+
+/// A library style is compared with the document's in the form the document stores it in, so a
+/// style whose file writes a size as a whole number is reused, by Add to Character Styles and by a
+/// click alike.
+#[test]
+fn a_library_style_is_reused_whatever_form_its_file_writes_it_in() {
+    let data = json!({"name": "Kept", "charStyles": [{"name": "Whole", "attrs": {"size": 31}}], "paraStyles": [{"name": "Para", "attrs": {"left_indent": 4}}]});
+    let mut s = session();
+    let lib = run(&mut s, "library.import", json!({"data": data.to_string()}))["id"].as_str().unwrap().to_string();
+    run(&mut s, "library.addToCharacterStyles", json!({"library": lib, "item": "Whole"}));
+    let r = run(&mut s, "library.addToCharacterStyles", json!({"library": lib, "item": "Whole"}));
+    assert_eq!((r["style"].as_str(), r["existing"].as_bool()), (Some("Whole"), Some(true)));
+    let t = run(&mut s, "text.create", json!({"x": 10, "y": 50, "text": "Body", "size": 9}))["id"].clone();
+    run(&mut s, "select.set", json!({"ids": [t]}));
+    for (kind, item) in [("charStyle", "Whole"), ("paraStyle", "Para"), ("paraStyle", "Para")] {
+        assert_eq!(run(&mut s, "library.use", json!({"library": lib, "kind": kind, "item": item}))["style"], item);
+    }
+    let d = &s.doc().unwrap().doc;
+    assert_eq!((d.char_styles.len(), d.para_styles.iter().filter(|p| p.name.starts_with("Para")).count()), (1, 1));
+}
+
+/// Rename gives a library item a new name, trimmed, in its place and its group; a character style
+/// keeps its attributes, a graphic its id. Another item of its kind with that name, an empty or
+/// too long name, a name that isn't text and an unknown item or library are errors that change
+/// nothing; a name with path characters is a name like any other; the item's own name writes
+/// nothing; and the document's history is not touched.
+#[test]
+fn library_items_are_renamed_in_place() {
+    let (mut s, g, c, st) = brand();
+    let t = run(&mut s, "text.create", json!({"x": 10, "y": 120, "text": "Body", "size": 9}))["id"].clone();
+    run(&mut s, "select.set", json!({"ids": [t]}));
+    let other = run(&mut s, "library.add", json!({"kind": "charStyle", "name": "Body"}))["name"].as_str().unwrap().to_string();
+    run(&mut s, "library.createGroup", json!({"name": "Brand", "items": [{"kind": "charStyle", "item": st}, {"kind": "fillColor", "item": c}]}));
+    let undo = s.doc().unwrap().history.undo.len();
+    let attrs = run(&mut s, "library.get", json!({}))["charStyles"][0]["attrs"].clone();
+    let r = run(&mut s, "library.renameItem", json!({"kind": "charStyle", "item": st, "name": "  Title  "}));
+    assert_eq!((r["item"].as_str(), r["name"].as_str()), (Some("Title"), Some("Title")));
+    let got = run(&mut s, "library.get", json!({}));
+    assert_eq!(got["charStyles"][0], json!({"name": "Title", "attrs": attrs}), "first still, the attributes kept");
+    assert_eq!(got["charStyles"][1]["name"], other.as_str());
+    assert_eq!(groups(&mut s), [("Brand".into(), refs(&[("charStyle", "Title"), ("color", &c)]))]);
+    // A colour keeps its group under its new name; a graphic keeps its id.
+    run(&mut s, "library.renameItem", json!({"kind": "strokeColor", "item": c, "name": "Navy"}));
+    assert_eq!(groups(&mut s), [("Brand".into(), refs(&[("charStyle", "Title"), ("color", "Navy")]))]);
+    let r = run(&mut s, "library.renameItem", json!({"kind": "graphic", "item": "Logo", "name": "Mark"}));
+    assert_eq!(r["item"], g.as_str());
+    let graphic = run(&mut s, "library.get", json!({}))["graphics"][0].clone();
+    assert_eq!((graphic["id"].as_str(), graphic["name"].as_str()), (Some(g.as_str()), Some("Mark")));
+    // Path characters are kept.
+    run(&mut s, "library.renameItem", json!({"kind": "charStyle", "item": "Title", "name": "a/b\\c:d"}));
+    assert_eq!(style_order_of(&mut s)[0], "a/b\\c:d");
+    // Errors change nothing.
+    let before = run(&mut s, "library.get", json!({}));
+    let long = "x".repeat(257);
+    for bad in [
+        json!({"kind": "charStyle", "item": "a/b\\c:d", "name": other}),
+        json!({"kind": "charStyle", "item": "a/b\\c:d", "name": "   "}),
+        json!({"kind": "charStyle", "item": "a/b\\c:d", "name": long}),
+        json!({"kind": "charStyle", "item": "a/b\\c:d", "name": 5}),
+        json!({"kind": "charStyle", "item": "a/b\\c:d"}),
+        json!({"kind": "charStyle", "item": "Nope", "name": "X"}),
+        json!({"kind": "paraStyle", "item": "a/b\\c:d", "name": "X"}),
+        json!({"kind": "brush", "item": "a/b\\c:d", "name": "X"}),
+        json!({"library": "Nope", "kind": "charStyle", "item": "a/b\\c:d", "name": "X"}),
+    ] {
+        assert!(s.execute("library.renameItem", &bad).is_err(), "{bad}");
+        assert_eq!(run(&mut s, "library.get", json!({})), before, "{bad}");
+    }
+    // A style of another kind may have the name, and 256 characters are allowed.
+    run(&mut s, "library.renameItem", json!({"kind": "charStyle", "item": "a/b\\c:d", "name": "Navy"}));
+    run(&mut s, "library.renameItem", json!({"kind": "charStyle", "item": "Navy", "name": "y".repeat(256)}));
+    assert_eq!(s.doc().unwrap().history.undo.len(), undo, "no document undo step");
+}
+
+/// The current library's character style names, in order.
+fn style_order_of(s: &mut Session) -> Vec<String> {
+    order(s, "charStyles", "name")
+}
+
+/// A rename is kept in the library's file; renaming an item to its own name writes nothing; and a
+/// rename whose file can't be written is taken back.
+#[cfg(not(target_arch = "wasm32"))]
+#[test]
+fn a_library_item_rename_is_saved_or_taken_back() {
+    let dir = vectorcraft_testkit::temp_dir("library-rename-item");
+    let folder = dir.to_string_lossy().to_string();
+    let mut s = session();
+    s.libraries.set_dir(Some(folder.clone()));
+    let lib = run(&mut s, "library.create", json!({"name": "Kept"}))["id"].as_str().unwrap().to_string();
+    let t = run(&mut s, "text.create", json!({"x": 10, "y": 50, "text": "Body", "size": 12}))["id"].clone();
+    run(&mut s, "select.set", json!({"ids": [t]}));
+    run(&mut s, "library.add", json!({"kind": "charStyle", "name": "Body"}));
+    run(&mut s, "library.renameItem", json!({"kind": "charStyle", "item": "Body", "name": "Text"}));
+    let mut t2 = session();
+    t2.libraries.set_dir(Some(folder.clone()));
+    assert_eq!(style_order_of(&mut t2), ["Text"], "kept in the file");
+    // The file can't be written (a folder stands where it goes): its own name still succeeds, as
+    // it writes nothing; a new name fails and is taken back.
+    let file = dir.join(format!("{lib}.vclibrary"));
+    std::fs::remove_file(&file).unwrap();
+    std::fs::create_dir(&file).unwrap();
+    run(&mut s, "library.renameItem", json!({"kind": "charStyle", "item": "Text", "name": " Text "}));
+    assert!(s.execute("library.renameItem", &json!({"kind": "charStyle", "item": "Text", "name": "Copy"})).is_err());
+    assert_eq!(style_order_of(&mut s), ["Text"], "taken back");
+    let _ = std::fs::remove_dir_all(&dir);
+}
+
 #[cfg(not(target_arch = "wasm32"))]
 #[test]
 fn libraries_are_kept_in_files_across_sessions() {
diff --git a/crates/ui-egui/src/i18n/bg.tsv b/crates/ui-egui/src/i18n/bg.tsv
index 3828d9ba2d..1fb96d9c7d 100644
--- a/crates/ui-egui/src/i18n/bg.tsv
+++ b/crates/ui-egui/src/i18n/bg.tsv
@@ -3491,6 +3491,8 @@ digits	Malayalam	Малаялам
 	Rename Library Group	Преименуване на библиотечна група
 	Delete Library Group	Изтриване на библиотечна група
 	Move Library Item to Group	Преместване на библиотечен елемент в група
+	Rename Library Item	Преименуване на елемент от библиотека
+	Add to Character Styles	Добавяне към стилове на знаци
 	Library	Библиотека
 	Rename Library	Преименуване на библиотека
 	Show Library	Показване на библиотека
@@ -4064,6 +4066,7 @@ axis	Both	И двете
 	Drag to the window's left or right edge to dock	Плъзнете до левия или десния ръб на прозореца за закотвяне
 	Float Tool Group	Плаваща група инструменти
 @msg	no library `{id}`	няма библиотека `{id}`
+@msg	the library has another item of that kind named `{name}`	библиотеката вече има друг елемент от този вид с име `{name}`
 @msg	select some type first	първо изберете текст
 @msg	kerning must be a number, "auto", or "optical"	kerning трябва да е число, „auto“ или „optical“
 @msg	{_1} has no {_2} style	{_1} няма стил {_2}
diff --git a/crates/ui-egui/src/i18n/bs.tsv b/crates/ui-egui/src/i18n/bs.tsv
index 81fee3a079..f04e9535e5 100644
--- a/crates/ui-egui/src/i18n/bs.tsv
+++ b/crates/ui-egui/src/i18n/bs.tsv
@@ -3550,6 +3550,8 @@ theme	Appearance	Izgled
 	Rename Library Group	Preimenuj grupu biblioteke
 	Delete Library Group	Izbriši grupu biblioteke
 	Move Library Item to Group	Premjesti stavku biblioteke u grupu
+	Rename Library Item	Preimenuj stavku biblioteke
+	Add to Character Styles	Dodaj u stilove znakova
 	Rename Library	Preimenuj biblioteku
 	Show Library	Prikaži biblioteku
 	Use Library Item	Koristi stavku biblioteke
@@ -4416,6 +4418,7 @@ imageTrace	Outline	Obris
 @plural	{n} step|{n} steps	{n} korak|{n} koraka|{n} koraka
 @plural	{n} stroke|{n} strokes	{n} potez|{n} poteza|{n} poteza
 @msg	no library `{id}`	nema biblioteke `{id}`
+@msg	the library has another item of that kind named `{name}`	biblioteka već ima drugu stavku te vrste s imenom `{name}`
 @msg	select some type first	prvo odaberite tekst
 @msg	kerning must be a number, "auto", or "optical"	kerning mora biti broj, „auto” ili „optical”
 @msg	the selection has no gradient fill	odabir nema ispunu gradijentom
diff --git a/crates/ui-egui/src/i18n/ca.tsv b/crates/ui-egui/src/i18n/ca.tsv
index 02ae0f4a09..e6b6f398f2 100644
--- a/crates/ui-egui/src/i18n/ca.tsv
+++ b/crates/ui-egui/src/i18n/ca.tsv
@@ -2634,6 +2634,8 @@ digits	Malayalam	Malaiàlam
 	Move in Perspective	Mou en perspectiva
 	Move Library Group	Mou el grup de la biblioteca
 	Move Library Item to Group	Mou l’element de la biblioteca al grup
+	Rename Library Item	Canvia el nom de l’element de la biblioteca
+	Add to Character Styles	Afegeix als estils de caràcter
 	Move Locked and Hidden Artwork with Artboard	Mou la il·lustració bloquejada i oculta amb el tauler
 	Move Mesh Point	Mou el punt de malla
 	Move Mesh Points	Mou els punts de malla
@@ -5730,6 +5732,7 @@ digits	Malayalam	Malaiàlam
 @msg	no interaction in progress	no hi ha cap interacció en curs
 @msg	no key object	no hi ha objecte clau
 @msg	no library `{id}`	no hi ha la biblioteca `{id}`
+@msg	the library has another item of that kind named `{name}`	la biblioteca ja té un altre element d’aquest tipus anomenat `{name}`
 @msg	no library `{key}` (see {list})	no hi ha la biblioteca `{key}` (vegeu {list})
 @msg	No linked files to look for	No hi ha fitxers enllaçats per buscar
 @msg	no Live Paint edge near that point	no hi ha cap aresta de pintura interactiva a prop d’aquell punt
diff --git a/crates/ui-egui/src/i18n/cs.tsv b/crates/ui-egui/src/i18n/cs.tsv
index 7e3794e8a1..a44e3b9979 100644
--- a/crates/ui-egui/src/i18n/cs.tsv
+++ b/crates/ui-egui/src/i18n/cs.tsv
@@ -3604,6 +3604,8 @@ theme	Appearance	Motiv
 	Rename Library Group	Přejmenovat skupinu knihovny
 	Delete Library Group	Odstranit skupinu knihovny
 	Move Library Item to Group	Přesunout položku knihovny do skupiny
+	Rename Library Item	Přejmenovat položku knihovny
+	Add to Character Styles	Přidat do stylů znaků
 	Rename Library	Přejmenovat knihovnu
 	Show Library	Zobrazit knihovnu
 	Use Library Item	Použít položku knihovny
@@ -4477,6 +4479,7 @@ imageTrace	Outline	Obrys
 
 # Status and error messages
 @msg	no library `{id}`	knihovna `{id}` neexistuje
+@msg	the library has another item of that kind named `{name}`	knihovna už má jinou položku tohoto druhu s názvem `{name}`
 @msg	select some type first	nejprve vyberte text
 @msg	kerning must be a number, "auto", or "optical"	kerning musí být číslo, „auto“ nebo „optical“
 @msg	the selection has no gradient fill	výběr nemá přechodovou výplň
diff --git a/crates/ui-egui/src/i18n/da.tsv b/crates/ui-egui/src/i18n/da.tsv
index f7011e23bf..bce3bd12da 100644
--- a/crates/ui-egui/src/i18n/da.tsv
+++ b/crates/ui-egui/src/i18n/da.tsv
@@ -3337,6 +3337,8 @@ theme	Appearance	Udseende
 	Rename Library Group	Omdøb biblioteksgruppe
 	Delete Library Group	Slet biblioteksgruppe
 	Move Library Item to Group	Flyt bibliotekselement til gruppe
+	Rename Library Item	Omdøb bibliotekselement
+	Add to Character Styles	Føj til tegnstile
 	Rename Library	Omdøb bibliotek
 	Show Library	Vis bibliotek
 	Use Library Item	Brug bibliotekselement
@@ -4183,6 +4185,7 @@ imageTrace	Outline	Kontur
 @plural	{n} step|{n} steps	{n} trin|{n} trin
 @plural	{n} stroke|{n} strokes	{n} kontur|{n} konturer
 @msg	no library `{id}`	intet bibliotek `{id}`
+@msg	the library has another item of that kind named `{name}`	biblioteket har allerede et andet element af den type med navnet `{name}`
 @msg	select some type first	markér først noget tekst
 @msg	kerning must be a number, "auto", or "optical"	kerning skal være et tal, „auto“ eller „optical“
 @msg	{_1} has no {_2} style	{_1} har ingen {_2}-stil
diff --git a/crates/ui-egui/src/i18n/de.tsv b/crates/ui-egui/src/i18n/de.tsv
index 4174537f87..0d995ddc2e 100644
--- a/crates/ui-egui/src/i18n/de.tsv
+++ b/crates/ui-egui/src/i18n/de.tsv
@@ -4091,6 +4091,7 @@ theme	Appearance	Erscheinungsbild
 # (`untranslated_report` lists any that are missing). Command ids, parameter
 # names and values in backticks or code (`colorModel rgb`, `document.export`) stay as they are.
 @msg	no library `{id}`	keine Bibliothek `{id}`
+@msg	the library has another item of that kind named `{name}`	die Bibliothek hat bereits ein anderes Element dieser Art namens `{name}`
 @msg	select some type first	wählen Sie zuerst Text aus
 @msg	kerning must be a number, "auto", or "optical"	kerning muss eine Zahl, „auto“ oder „optical“ sein
 @msg	the selection has no gradient fill	die Auswahl hat keinen Flächenverlauf
@@ -5124,6 +5125,8 @@ theme	Appearance	Erscheinungsbild
 	Rename Library Group	Bibliotheksgruppe umbenennen
 	Delete Library Group	Bibliotheksgruppe löschen
 	Move Library Item to Group	Bibliothekselement in Gruppe verschieben
+	Rename Library Item	Bibliothekselement umbenennen
+	Add to Character Styles	Zu Zeichenformaten hinzufügen
 	Import Library	Bibliothek importieren
 	Export Library	Bibliothek exportieren
 	New Group	Neue Gruppe
diff --git a/crates/ui-egui/src/i18n/el.tsv b/crates/ui-egui/src/i18n/el.tsv
index bde2fbee78..cb409e9274 100644
--- a/crates/ui-egui/src/i18n/el.tsv
+++ b/crates/ui-egui/src/i18n/el.tsv
@@ -2266,6 +2266,7 @@ axis	Both	Και τα δύο
 	Document Options	Επιλογές εγγράφου
 	Dock Control Bar	Αγκύρωση γραμμής ελέγχου
 @msg	no library `{id}`	Δεν υπάρχει βιβλιοθήκη με αναγνωριστικό `{id}`
+@msg	the library has another item of that kind named `{name}`	η βιβλιοθήκη έχει ήδη άλλο στοιχείο αυτού του είδους με όνομα `{name}`
 @msg	select some type first	Επιλέξτε πρώτα κάποιο κείμενο
 @msg	kerning must be a number, "auto", or "optical"	το kerning πρέπει να είναι αριθμός, «auto» ή «optical»
 @msg	the selection has no gradient fill	η επιλογή δεν έχει ντεγκραντέ γεμίσματος
@@ -4051,6 +4052,8 @@ digits	Malayalam	Μαλαγιάλαμ
 	Rename Library Group	Μετονομασία ομάδας βιβλιοθήκης
 	Delete Library Group	Διαγραφή ομάδας βιβλιοθήκης
 	Move Library Item to Group	Μετακίνηση στοιχείου βιβλιοθήκης σε ομάδα
+	Rename Library Item	Μετονομασία στοιχείου βιβλιοθήκης
+	Add to Character Styles	Προσθήκη στα στυλ χαρακτήρων
 	Rename Library	Μετονομασία βιβλιοθήκης
 	Show Library	Εμφάνιση βιβλιοθήκης
 	Use Library Item	Χρήση στοιχείου βιβλιοθήκης
diff --git a/crates/ui-egui/src/i18n/es.tsv b/crates/ui-egui/src/i18n/es.tsv
index ff28d9dfc5..de9512cddb 100644
--- a/crates/ui-egui/src/i18n/es.tsv
+++ b/crates/ui-egui/src/i18n/es.tsv
@@ -3583,6 +3583,8 @@ digits	Malayalam	Malayálam
 	Rename Library Group	Cambiar nombre del grupo de biblioteca
 	Delete Library Group	Eliminar grupo de biblioteca
 	Move Library Item to Group	Mover elemento de la biblioteca al grupo
+	Rename Library Item	Cambiar nombre del elemento de la biblioteca
+	Add to Character Styles	Agregar a estilos de carácter
 	Library	Biblioteca
 	Rename Library	Cambiar nombre de la biblioteca
 	Show Library	Mostrar biblioteca
@@ -4167,6 +4169,7 @@ axis	Both	Ambos
 # (`untranslated_report` lists any that are missing). Command ids, parameter
 # names and values in backticks or code (`colorModel rgb`, `document.export`) stay as they are.
 @msg	no library `{id}`	no hay ninguna biblioteca `{id}`
+@msg	the library has another item of that kind named `{name}`	la biblioteca ya tiene otro elemento de ese tipo llamado `{name}`
 @msg	select some type first	selecciona primero algún texto
 @msg	kerning must be a number, "auto", or "optical"	kerning debe ser un número, «auto» u «optical»
 @msg	the selection has no gradient fill	la selección no tiene un degradado de relleno
diff --git a/crates/ui-egui/src/i18n/fi.tsv b/crates/ui-egui/src/i18n/fi.tsv
index bb74188ed8..1c3327fb1e 100644
--- a/crates/ui-egui/src/i18n/fi.tsv
+++ b/crates/ui-egui/src/i18n/fi.tsv
@@ -3542,6 +3542,8 @@ theme	Appearance	Ulkoasu
 	Rename Library Group	Nimeä kirjastoryhmä uudelleen
 	Delete Library Group	Poista kirjastoryhmä
 	Move Library Item to Group	Siirrä kirjaston kohde ryhmään
+	Rename Library Item	Nimeä kirjaston kohde uudelleen
+	Add to Character Styles	Lisää merkkityyleihin
 	Rename Library	Nimeä kirjasto uudelleen
 	Show Library	Näytä kirjasto
 	Use Library Item	Käytä kirjaston kohdetta
@@ -4392,6 +4394,7 @@ imageTrace	Outline	Ääriviiva
 @plural	{n} step|{n} steps	{n} vaihe|{n} vaihetta
 @plural	{n} stroke|{n} strokes	{n} viiva|{n} viivaa
 @msg	no library `{id}`	ei kirjastoa `{id}`
+@msg	the library has another item of that kind named `{name}`	kirjastossa on jo toinen samanlainen kohde nimeltä `{name}`
 @msg	select some type first	valitse ensin tekstiä
 @msg	kerning must be a number, "auto", or "optical"	kerning-arvon on oltava luku, ”auto” tai ”optical”
 @msg	the selection has no gradient fill	valinnalla ei ole liukuväritäyttöä
diff --git a/crates/ui-egui/src/i18n/fr.tsv b/crates/ui-egui/src/i18n/fr.tsv
index 09c9c35b0d..3b45c4d386 100644
--- a/crates/ui-egui/src/i18n/fr.tsv
+++ b/crates/ui-egui/src/i18n/fr.tsv
@@ -3575,6 +3575,8 @@ digits	Malayalam	Malayalam
 	Rename Library Group	Renommer le groupe de bibliothèque
 	Delete Library Group	Supprimer le groupe de bibliothèque
 	Move Library Item to Group	Déplacer l’élément de la bibliothèque vers un groupe
+	Rename Library Item	Renommer l’élément de la bibliothèque
+	Add to Character Styles	Ajouter aux styles de caractère
 	Library	Bibliothèque
 	Rename Library	Renommer la bibliothèque
 	Show Library	Afficher la bibliothèque
@@ -4156,6 +4158,7 @@ axis	Both	Les deux
 # (`untranslated_report` lists any that are missing). Command ids, parameter
 # names and values in backticks or code (`colorModel rgb`, `document.export`) stay as they are.
 @msg	no library `{id}`	aucune bibliothèque `{id}`
+@msg	the library has another item of that kind named `{name}`	la bibliothèque a déjà un autre élément de ce type nommé `{name}`
 @msg	select some type first	sélectionnez d’abord du texte
 @msg	kerning must be a number, "auto", or "optical"	kerning doit être un nombre, « auto » ou « optical »
 @msg	the selection has no gradient fill	la sélection n’a pas de dégradé de fond
diff --git a/crates/ui-egui/src/i18n/hi.tsv b/crates/ui-egui/src/i18n/hi.tsv
index 9aa4bd7b99..0c6089e40a 100644
--- a/crates/ui-egui/src/i18n/hi.tsv
+++ b/crates/ui-egui/src/i18n/hi.tsv
@@ -2873,6 +2873,8 @@ antiAlias	Sharp	शार्प
 	Move in Perspective	पर्सपेक्टिव में मूव करें
 	Move Library Group	लाइब्रेरी ग्रुप मूव करें
 	Move Library Item to Group	लाइब्रेरी आइटम को ग्रुप में मूव करें
+	Rename Library Item	लाइब्रेरी आइटम का नाम बदलें
+	Add to Character Styles	कैरेक्टर स्टाइल्स में जोड़ें
 	Move Locked and Hidden Artwork with Artboard	आर्टबोर्ड के साथ लॉक्ड और छिपा हुआ आर्टवर्क मूव करें
 	Move Mesh Point	मेश पॉइंट मूव करें
 	Move Mesh Points	मेश पॉइंट मूव करें
@@ -7234,6 +7236,7 @@ antiAlias	Sharp	शार्प
 @msg	no layer {id} (see layer.list)	कोई लेयर {id} (layer.list देखें)
 @msg	no layers to export	निर्यात करने के लिए कोई लेयरें नहीं
 @msg	no library `{id}`	नहीं लाइब्रेरी `{id}`
+@msg	the library has another item of that kind named `{name}`	लाइब्रेरी में इस प्रकार का एक और आइटम `{name}` नाम से पहले से है
 @msg	no library `{key}`	नहीं लाइब्रेरी `{key}`
 @msg	no library `{key}` (see {list})	कोई लाइब्रेरी `{key}` ({list} देखें)
 @msg	No line breaks to remove	हटाने के लिए कोई लाइन ब्रेक नहीं
diff --git a/crates/ui-egui/src/i18n/hu.tsv b/crates/ui-egui/src/i18n/hu.tsv
index af6f586880..06122f94ee 100644
--- a/crates/ui-egui/src/i18n/hu.tsv
+++ b/crates/ui-egui/src/i18n/hu.tsv
@@ -2605,6 +2605,8 @@ file-filter	Templates	Sablonok
 	Move Guide to Layer	Segédvonal áthelyezése rétegre
 	Move in Perspective	Áthelyezés perspektívában
 	Move Library Item to Group	Könyvtárelem áthelyezése csoportba
+	Rename Library Item	Könyvtárelem átnevezése
+	Add to Character Styles	Hozzáadás a karakterstílusokhoz
 	Move Locked and Hidden Artwork with Artboard	Zárolt és rejtett grafika mozgatása a rajztáblával
 	Move Mesh Point	Hálópont áthelyezése
 	Move Mesh Points	Hálópontok áthelyezése
@@ -5314,6 +5316,7 @@ imageTrace	Outline	Körvonal
 @msg	no interaction in progress	nincs folyamatban lévő művelet
 @msg	no key object	nincs kulcsobjektum
 @msg	no library `{id}`	nincs ilyen könyvtár: `{id}`
+@msg	the library has another item of that kind named `{name}`	a könyvtárban már van egy másik ilyen fajta elem `{name}` néven
 @msg	no library `{key}` (see {list})	nincs ilyen könyvtár: `{key}` (lásd: {list})
 @msg	no Live Paint edge near that point	annál a pontnál nincs élőfestés-él
 @msg	no Live Paint face at that point	annál a pontnál nincs élőfestés-felület
diff --git a/crates/ui-egui/src/i18n/id.tsv b/crates/ui-egui/src/i18n/id.tsv
index e0ba31ecd5..00d2b09600 100644
--- a/crates/ui-egui/src/i18n/id.tsv
+++ b/crates/ui-egui/src/i18n/id.tsv
@@ -3337,6 +3337,8 @@ theme	Appearance	Tampilan
 	Rename Library Group	Ganti nama grup pustaka
 	Delete Library Group	Hapus grup pustaka
 	Move Library Item to Group	Pindahkan item pustaka ke grup
+	Rename Library Item	Ganti nama item pustaka
+	Add to Character Styles	Tambahkan ke gaya karakter
 	Rename Library	Ganti nama pustaka
 	Show Library	Tampilkan pustaka
 	Use Library Item	Gunakan item pustaka
@@ -4183,6 +4185,7 @@ imageTrace	Outline	Kontur
 @plural	{n} step|{n} steps	{n} langkah
 @plural	{n} stroke|{n} strokes	{n} goresan
 @msg	no library `{id}`	tidak ada pustaka `{id}`
+@msg	the library has another item of that kind named `{name}`	pustaka sudah memiliki item lain dari jenis itu bernama `{name}`
 @msg	select some type first	pilih beberapa teks terlebih dahulu
 @msg	kerning must be a number, "auto", or "optical"	kerning harus berupa angka, “auto”, atau “optical”
 @msg	{_1} has no {_2} style	{_1} tidak memiliki gaya {_2}
diff --git a/crates/ui-egui/src/i18n/it.tsv b/crates/ui-egui/src/i18n/it.tsv
index ce0bc58ce5..869fe2e4a0 100644
--- a/crates/ui-egui/src/i18n/it.tsv
+++ b/crates/ui-egui/src/i18n/it.tsv
@@ -3628,6 +3628,8 @@ digits	Malayalam	Malayalam
 	Rename Library Group	Rinomina gruppo di libreria
 	Delete Library Group	Elimina gruppo di libreria
 	Move Library Item to Group	Sposta elemento della libreria nel gruppo
+	Rename Library Item	Rinomina elemento della libreria
+	Add to Character Styles	Aggiungi agli stili carattere
 	Library	Libreria
 	Rename Library	Rinomina libreria
 	Show Library	Mostra libreria
@@ -4218,6 +4220,7 @@ axis	Both	Entrambi
 # (`untranslated_report` lists any that are missing). Command ids, parameter
 # names and values in backticks or code (`colorModel rgb`, `document.export`) stay as they are.
 @msg	no library `{id}`	nessuna libreria `{id}`
+@msg	the library has another item of that kind named `{name}`	la libreria ha già un altro elemento di questo tipo chiamato `{name}`
 @msg	select some type first	seleziona prima del testo
 @msg	kerning must be a number, "auto", or "optical"	kerning deve essere un numero, «auto» o «optical»
 @msg	the selection has no gradient fill	la selezione non ha una sfumatura di riempimento
diff --git a/crates/ui-egui/src/i18n/ja.tsv b/crates/ui-egui/src/i18n/ja.tsv
index 1ecce4618a..a0ce9c93b9 100644
--- a/crates/ui-egui/src/i18n/ja.tsv
+++ b/crates/ui-egui/src/i18n/ja.tsv
@@ -3364,6 +3364,8 @@ mark-style	Japanese	日本式
 	Rename Library Group	ライブラリグループ名を変更
 	Delete Library Group	ライブラリグループを削除
 	Move Library Item to Group	ライブラリ項目をグループに移動
+	Rename Library Item	ライブラリ項目名を変更
+	Add to Character Styles	文字スタイルに追加
 	Library	ライブラリ
 	Rename Library	ライブラリ名を変更
 	Show Library	ライブラリを表示
@@ -4491,6 +4493,7 @@ swatch	Bright Violet	ビビッドバイオレット
 @msg	the layer to flatten into is hidden	統合先のレイヤーが非表示になっています
 @msg	there are no objects to release	レイヤーに分配するオブジェクトがありません
 @msg	no library `{id}`	ライブラリ `{id}` が見つかりません
+@msg	the library has another item of that kind named `{name}`	ライブラリには同じ種類の項目 `{name}` がすでにあります
 @msg	{path}: not a file	{path}: ファイルではありません
 @msg	{path}: {e}	{path}: {e}
 @msg	can't write .{ext} images	.{ext} 画像は書き出せません
diff --git a/crates/ui-egui/src/i18n/ka.tsv b/crates/ui-egui/src/i18n/ka.tsv
index 3d6425c373..b19ed4009a 100644
--- a/crates/ui-egui/src/i18n/ka.tsv
+++ b/crates/ui-egui/src/i18n/ka.tsv
@@ -3183,6 +3183,8 @@ theme	Appearance	იერსახე
 	Rename Library Group	ბიბლიოთეკის ჯგუფის სახელის შეცვლა
 	Delete Library Group	ბიბლიოთეკის ჯგუფის წაშლა
 	Move Library Item to Group	ბიბლიოთეკის ელემენტის ჯგუფში გადატანა
+	Rename Library Item	ბიბლიოთეკის ელემენტის სახელის შეცვლა
+	Add to Character Styles	სიმბოლოს სტილებში დამატება
 	Rename Library	ბიბლიოთეკის სახელის შეცვლა
 	Show Library	ბიბლიოთეკის ჩვენება
 	Use Library Item	ბიბლიოთეკის ელემენტის გამოყენება
@@ -3986,6 +3988,7 @@ font-technology	Variable	ცვლადი
 @plural	{n} step|{n} steps	ნაბიჯი: {n}
 @plural	{n} stroke|{n} strokes	კონტური: {n}
 @msg	no library `{id}`	ბიბლიოთეკა `{id}` არ არსებობს
+@msg	the library has another item of that kind named `{name}`	ბიბლიოთეკას უკვე აქვს ამ ტიპის სხვა ელემენტი სახელით `{name}`
 @msg	select some type first	ჯერ მონიშნეთ ტექსტი
 @msg	kerning must be a number, "auto", or "optical"	kerning უნდა იყოს რიცხვი, „auto“ ან „optical“
 @msg	the selection has no gradient fill	მონიშნულს შევსების გრადიენტი არ აქვს
diff --git a/crates/ui-egui/src/i18n/ko.tsv b/crates/ui-egui/src/i18n/ko.tsv
index fb87488d64..3f518f00c4 100644
--- a/crates/ui-egui/src/i18n/ko.tsv
+++ b/crates/ui-egui/src/i18n/ko.tsv
@@ -3353,6 +3353,8 @@ mark-style	Japanese	일본식
 	Rename Library Group	라이브러리 그룹 이름 바꾸기
 	Delete Library Group	라이브러리 그룹 삭제
 	Move Library Item to Group	라이브러리 항목을 그룹으로 이동
+	Rename Library Item	라이브러리 항목 이름 바꾸기
+	Add to Character Styles	문자 스타일에 추가
 	Library	라이브러리
 	Rename Library	라이브러리 이름 바꾸기
 	Show Library	라이브러리 표시
@@ -4418,6 +4420,7 @@ theme	Appearance	외관
 @msg	the layer to flatten into is hidden	병합 대상 레이어가 숨겨져 있습니다
 @msg	there are no objects to release	해제할 개체가 없습니다
 @msg	no library `{id}`	`{id}` 라이브러리가 없습니다
+@msg	the library has another item of that kind named `{name}`	라이브러리에 같은 종류의 다른 항목 `{name}`이(가) 이미 있습니다
 @msg	{path}: not a file	{path}: 파일이 아닙니다
 @msg	{path}: {e}	{path}: {e}
 @msg	can't write .{ext} images	.{ext} 이미지는 쓸 수 없습니다
diff --git a/crates/ui-egui/src/i18n/nl.tsv b/crates/ui-egui/src/i18n/nl.tsv
index b3388fa82a..f4db319711 100644
--- a/crates/ui-egui/src/i18n/nl.tsv
+++ b/crates/ui-egui/src/i18n/nl.tsv
@@ -3351,6 +3351,8 @@ theme	Appearance	Vormgeving
 	Rename Library Group	Bibliotheekgroep hernoemen
 	Delete Library Group	Bibliotheekgroep verwijderen
 	Move Library Item to Group	Bibliotheekitem naar groep verplaatsen
+	Rename Library Item	Bibliotheekitem hernoemen
+	Add to Character Styles	Aan tekenstijlen toevoegen
 	Rename Library	Bibliotheek hernoemen
 	Show Library	Bibliotheek weergeven
 	Use Library Item	Bibliotheekitem gebruiken
@@ -4197,6 +4199,7 @@ imageTrace	Outline	Contour
 @plural	{n} step|{n} steps	{n} stap|{n} stappen
 @plural	{n} stroke|{n} strokes	{n} lijn|{n} lijnen
 @msg	no library `{id}`	geen bibliotheek `{id}`
+@msg	the library has another item of that kind named `{name}`	de bibliotheek heeft al een ander item van die soort met de naam `{name}`
 @msg	select some type first	selecteer eerst wat tekst
 @msg	kerning must be a number, "auto", or "optical"	kerning moet een getal, ‘auto’ of ‘optical’ zijn
 @msg	{_1} has no {_2} style	{_1} heeft geen {_2}stijl
diff --git a/crates/ui-egui/src/i18n/pl.tsv b/crates/ui-egui/src/i18n/pl.tsv
index 0729e35c79..770622cc1e 100644
--- a/crates/ui-egui/src/i18n/pl.tsv
+++ b/crates/ui-egui/src/i18n/pl.tsv
@@ -3483,6 +3483,8 @@ theme	Appearance	Wygląd
 	Rename Library Group	Zmień nazwę grupy biblioteki
 	Delete Library Group	Usuń grupę biblioteki
 	Move Library Item to Group	Przenieś element biblioteki do grupy
+	Rename Library Item	Zmień nazwę elementu biblioteki
+	Add to Character Styles	Dodaj do stylów znakowych
 	Rename Library	Zmień nazwę biblioteki
 	Show Library	Pokaż bibliotekę
 	Use Library Item	Użyj elementu biblioteki
@@ -4300,6 +4302,7 @@ imageTrace	Outline	Kontur
 @plural	{n} step|{n} steps	{n} krok|{n} kroki|{n} kroków
 @plural	{n} stroke|{n} strokes	{n} obrys|{n} obrysy|{n} obrysów
 @msg	no library `{id}`	brak biblioteki `{id}`
+@msg	the library has another item of that kind named `{name}`	biblioteka ma już inny element tego rodzaju o nazwie `{name}`
 @msg	select some type first	najpierw zaznacz tekst
 @msg	kerning must be a number, "auto", or "optical"	kerning musi być liczbą, „auto” lub „optical”
 @msg	the selection has no gradient fill	zaznaczenie nie ma gradientu wypełnienia
diff --git a/crates/ui-egui/src/i18n/pt-br.tsv b/crates/ui-egui/src/i18n/pt-br.tsv
index 36f778dbd5..77fce38c53 100644
--- a/crates/ui-egui/src/i18n/pt-br.tsv
+++ b/crates/ui-egui/src/i18n/pt-br.tsv
@@ -3705,6 +3705,8 @@ font-technology	Variable	Variáveis
 	Rename Library Group	Renomear grupo de biblioteca
 	Delete Library Group	Excluir grupo de biblioteca
 	Move Library Item to Group	Mover item da biblioteca para o grupo
+	Rename Library Item	Renomear item da biblioteca
+	Add to Character Styles	Adicionar aos Estilos de Caractere
 	Library	Biblioteca
 	Rename Library	Renomear biblioteca
 	Show Library	Mostrar biblioteca
@@ -3742,6 +3744,7 @@ axis	Both	Ambos
 	Drag to float the toolbar	Arraste para flutuar a barra de ferramentas
 	Drag to the window's left or right edge to dock	Arraste até a borda esquerda ou direita da janela para encaixar
 @msg	no library `{id}`	nenhuma biblioteca `{id}`
+@msg	the library has another item of that kind named `{name}`	a biblioteca já tem outro item desse tipo chamado `{name}`
 @msg	select some type first	selecione algum texto primeiro
 @msg	kerning must be a number, "auto", or "optical"	O kerning deve ser um número, “auto” ou “optical”
 @msg	the selection has no gradient fill	a seleção não tem gradiente de preenchimento
diff --git a/crates/ui-egui/src/i18n/ru.tsv b/crates/ui-egui/src/i18n/ru.tsv
index 442a9612d4..b546e87258 100644
--- a/crates/ui-egui/src/i18n/ru.tsv
+++ b/crates/ui-egui/src/i18n/ru.tsv
@@ -3615,6 +3615,8 @@ digits	Malayalam	Малаялам
 	Rename Library Group	Переименовать группу библиотеки
 	Delete Library Group	Удалить группу библиотеки
 	Move Library Item to Group	Переместить элемент библиотеки в группу
+	Rename Library Item	Переименовать элемент библиотеки
+	Add to Character Styles	Добавить в стили символов
 	Library	Библиотека
 	Rename Library	Переименовать библиотеку
 	Show Library	Показать библиотеку
@@ -4204,6 +4206,7 @@ axis	Both	Оба
 # (`untranslated_report` lists any that are missing). Command ids, parameter
 # names and values in backticks or code (`colorModel rgb`, `document.export`) stay as they are.
 @msg	no library `{id}`	нет библиотеки `{id}`
+@msg	the library has another item of that kind named `{name}`	в библиотеке уже есть другой элемент этого вида с именем `{name}`
 @msg	select some type first	сначала выделите текст
 @msg	kerning must be a number, "auto", or "optical"	kerning должен быть числом, «auto» или «optical»
 @msg	the selection has no gradient fill	у выделения нет градиентной заливки
diff --git a/crates/ui-egui/src/i18n/sv.tsv b/crates/ui-egui/src/i18n/sv.tsv
index 8a8f8453b6..9271ac4bac 100644
--- a/crates/ui-egui/src/i18n/sv.tsv
+++ b/crates/ui-egui/src/i18n/sv.tsv
@@ -3505,6 +3505,8 @@ digits	Malayalam	Malayalam
 	Rename Library Group	Byt namn på biblioteksgrupp
 	Delete Library Group	Radera biblioteksgrupp
 	Move Library Item to Group	Flytta biblioteksobjekt till grupp
+	Rename Library Item	Byt namn på biblioteksobjekt
+	Add to Character Styles	Lägg till i teckenstilar
 	Library	Bibliotek
 	Rename Library	Byt namn på bibliotek
 	Show Library	Visa bibliotek
@@ -4078,6 +4080,7 @@ axis	Both	Båda
 	Drag to the window's left or right edge to dock	Dra till fönstrets vänster- eller högerkant för att docka
 	Float Tool Group	Gör verktygsgruppen flytande
 @msg	no library `{id}`	inget bibliotek `{id}`
+@msg	the library has another item of that kind named `{name}`	biblioteket har redan ett annat objekt av den sorten med namnet `{name}`
 @msg	select some type first	markera någon text först
 @msg	kerning must be a number, "auto", or "optical"	kerning måste vara ett tal, ”auto” eller ”optical”
 @msg	the selection has no gradient fill	markeringen har ingen fyllnadsgradient
diff --git a/crates/ui-egui/src/i18n/tr.tsv b/crates/ui-egui/src/i18n/tr.tsv
index ef8773c31b..107f30f3ea 100644
--- a/crates/ui-egui/src/i18n/tr.tsv
+++ b/crates/ui-egui/src/i18n/tr.tsv
@@ -3394,6 +3394,8 @@ digits	Malayalam	Malayalam
 	Rename Library Group	Kitaplık Grubunu Yeniden Adlandır
 	Delete Library Group	Kütüphane Grubunu Sil
 	Move Library Item to Group	Kitaplık Öğesini Gruba Taşı
+	Rename Library Item	Kitaplık Öğesini Yeniden Adlandır
+	Add to Character Styles	Karakter Stillerine Ekle
 	Library	Kütüphane
 	Rename Library	Kitaplığı Yeniden Adlandır
 	Show Library	Kitaplığı Göster
@@ -3962,6 +3964,7 @@ axis	Both	Her İkisi
 	Drag to the window's left or right edge to dock	Sabitlemek için pencerenin sol veya sağ kenarına sürükleyin
 	Float Tool Group	Araç Grubunu Yüzer Yap
 @msg	no library `{id}`	`{id}` kütüphanesi yok
+@msg	the library has another item of that kind named `{name}`	kitaplıkta zaten bu türden `{name}` adlı başka bir öğe var
 @msg	select some type first	önce bir tür seçin
 @msg	kerning must be a number, "auto", or "optical"	kerning bir sayı, “auto” veya “optical” olmalıdır
 @msg	the selection has no gradient fill	seçimin degrade dolgusu yok
diff --git a/crates/ui-egui/src/i18n/uk.tsv b/crates/ui-egui/src/i18n/uk.tsv
index 0bccbd8cb6..68aabf0253 100644
--- a/crates/ui-egui/src/i18n/uk.tsv
+++ b/crates/ui-egui/src/i18n/uk.tsv
@@ -3621,6 +3621,8 @@ effect	Points	Точки
 	Rename Library Group	Перейменувати групу бібліотеки
 	Delete Library Group	Видалити групу бібліотеки
 	Move Library Item to Group	Перемістити елемент бібліотеки в групу
+	Rename Library Item	Перейменувати елемент бібліотеки
+	Add to Character Styles	Додати до стилів символів
 	Library	Бібліотека
 	Rename Library	Перейменувати бібліотеку
 	Show Library	Показати бібліотеку
@@ -4202,6 +4204,7 @@ axis	Both	Обидві
 	Drag to the window's left or right edge to dock	Перетягніть до лівого або правого краю вікна для прикріплення
 	Float Tool Group	Від’єднати групу інструментів
 @msg	no library `{id}`	немає бібліотеки `{id}`
+@msg	the library has another item of that kind named `{name}`	у бібліотеці вже є інший елемент цього виду з назвою `{name}`
 @msg	select some type first	спочатку виділіть текст
 @msg	kerning must be a number, "auto", or "optical"	kerning має бути числом, «auto» або «optical»
 @msg	the selection has no gradient fill	виділення не має градієнтної заливки
diff --git a/crates/ui-egui/src/i18n/vi.tsv b/crates/ui-egui/src/i18n/vi.tsv
index 4f084029db..36793e6c56 100644
--- a/crates/ui-egui/src/i18n/vi.tsv
+++ b/crates/ui-egui/src/i18n/vi.tsv
@@ -2424,6 +2424,8 @@ digits	Hindi	Hindi
 	Move Guide to Layer	Di chuyển đường căn vào lớp
 	Move in Perspective	Di chuyển theo phối cảnh
 	Move Library Item to Group	Di chuyển mục thư viện vào nhóm
+	Rename Library Item	Đổi tên mục thư viện
+	Add to Character Styles	Thêm vào các kiểu ký tự
 	Move Locked and Hidden Artwork with Artboard	Di chuyển tác phẩm đã khóa và ẩn cùng bảng vẽ
 	Move Mesh Point	Di chuyển điểm lưới
 	Move Mesh Points	Di chuyển các điểm lưới
@@ -4974,6 +4976,7 @@ theme	Appearance	Giao diện
 @msg	no interaction in progress	không có tương tác nào đang tiến hành
 @msg	no key object	không có đối tượng khóa
 @msg	no library `{id}`	không có thư viện `{id}`
+@msg	the library has another item of that kind named `{name}`	thư viện đã có một mục khác cùng loại tên là `{name}`
 @msg	no library `{key}` (see {list})	không có thư viện `{key}` (xem {list})
 @msg	No linked files to look for	Không có tệp liên kết để tìm kiếm
 @msg	no Live Paint edge near that point	không có cạnh tô trực tiếp gần điểm đó
diff --git a/crates/ui-egui/src/i18n/zh-hans.tsv b/crates/ui-egui/src/i18n/zh-hans.tsv
index b04e65a65b..27cad80b4a 100644
--- a/crates/ui-egui/src/i18n/zh-hans.tsv
+++ b/crates/ui-egui/src/i18n/zh-hans.tsv
@@ -3444,6 +3444,8 @@ digits	Malayalam	马拉雅拉姆数字
 	Rename Library Group	重命名库组
 	Delete Library Group	删除库组
 	Move Library Item to Group	将库项目移到组
+	Rename Library Item	重命名库项目
+	Add to Character Styles	添加到字符样式
 	Library	库
 	Rename Library	重命名库
 	Show Library	显示库
@@ -4195,6 +4197,7 @@ imageTrace	Outline	轮廓
 @msg	the layer to flatten into is hidden	要拼合到的图层已隐藏
 @msg	there are no objects to release	没有可释放的对象
 @msg	no library `{id}`	没有库 `{id}`
+@msg	the library has another item of that kind named `{name}`	库中已有另一个同类项目名为 `{name}`
 @msg	{path}: not a file	{path}：不是文件
 @msg	{path}: {e}	{path}：{e}
 @msg	can't write .{ext} images	无法写入 .{ext} 图像
diff --git a/crates/ui-egui/src/i18n/zh-hant.tsv b/crates/ui-egui/src/i18n/zh-hant.tsv
index be62fde8a7..ab1fd359cd 100644
--- a/crates/ui-egui/src/i18n/zh-hant.tsv
+++ b/crates/ui-egui/src/i18n/zh-hant.tsv
@@ -1959,6 +1959,7 @@ file-filter	Templates	範本
 @msg	the layer to flatten into is hidden	要平面化到的圖層已隱藏
 @msg	there are no objects to release	沒有可釋放的物件
 @msg	no library `{id}`	沒有資料庫 `{id}`
+@msg	the library has another item of that kind named `{name}`	資料庫中已有另一個同類項目名為 `{name}`
 @msg	{path}: not a file	{path}：不是檔案
 @msg	{path}: {e}	{path}：{e}
 @msg	can't write .{ext} images	無法寫入 .{ext} 影像
@@ -4680,6 +4681,8 @@ digits	Malayalam	馬來亞拉姆數字
 	Rename Library Group	重新命名資料庫群組
 	Delete Library Group	刪除資料庫群組
 	Move Library Item to Group	將資料庫項目移至群組
+	Rename Library Item	重新命名資料庫項目
+	Add to Character Styles	新增至字元樣式
 	Library	資料庫
 	Rename Library	重新命名資料庫
 	Show Library	顯示資料庫
diff --git a/crates/ui-egui/src/panels/libraries.rs b/crates/ui-egui/src/panels/libraries.rs
index 78ce76da32..84f72e5bdc 100644
--- a/crates/ui-egui/src/panels/libraries.rs
+++ b/crates/ui-egui/src/panels/libraries.rs
@@ -4,8 +4,10 @@
 //! patterns), are added to it; the + button adds the selection's graphic, fill or stroke color,
 //! pattern or gradient, or text styles. A click on a color, gradient or pattern paints the
 //! selection through the active Fill/Stroke proxy, a style click applies it to the selected type,
-//! and a graphic is dragged onto the canvas (or double-clicked) to place a copy. Libraries are
-//! kept on this machine.
+//! and a graphic is dragged onto the canvas (or double-clicked) to place a copy. A character
+//! style's context menu also applies it, adds it to the document's character styles without
+//! applying it (`library.addToCharacterStyles`) and renames it (`library.renameItem`). Libraries
+//! are kept on this machine.
 //!
 //! The search field filters the items by name; items can be moved into user-named groups, shown as
 //! collapsible sections after the ungrouped items; and the panel menu exports the library to a
@@ -94,12 +96,22 @@ fn ask_group_name(app: &mut VectorcraftApp, library: &str, rename: Option<&str>,
     app.ui.dialog = Some(crate::state::Dialog::new("command", d));
 }
 
+/// The name dialog for renaming item `item` (its key) of `kind` in `library`, filled with its name.
+fn ask_item_name(app: &mut VectorcraftApp, library: &str, kind: ItemKind, item: &str) {
+    let name = app.session.libraries.get(library).and_then(|l| l.items().find(|(k, key, _)| *k == kind && *key == item)).map(|(.., n)| n.to_string());
+    let fixed = json!({ "library": library, "kind": kind_param(kind), "item": item });
+    let d = json!({ "__command": "library.renameItem", "__label": "Rename Library Item", "name": name.unwrap_or_else(|| item.to_string()), "__params": fixed });
+    app.ui.dialog = Some(crate::state::Dialog::new("command", d));
+}
+
 /// What a click in the panel asks for, done once the list is drawn.
 enum Act {
     Run(&'static str, Value),
     /// The New Group dialog; the items (`[{kind, item}]`) go into the new group.
     NewGroup(Value),
     RenameGroup(String),
+    /// The Rename dialog for an item (its kind and key).
+    RenameItem(ItemKind, String),
 }
 
 /// What a drag in the panel holds for the library shown: one of its items, one of its groups (by
@@ -164,6 +176,9 @@ struct Items<'a> {
     grab: Option<Grab>,
     /// Whether the items show in a list (else colours and graphics as icons).
     list: bool,
+    /// Whether a document is open, and whether type is selected there for a style to apply to.
+    has_doc: bool,
+    can_apply: bool,
 }
 
 impl Items<'_> {
@@ -214,7 +229,10 @@ pub fn show(app: &mut VectorcraftApp, ui: &mut Ui) {
     let searching = !query.is_empty();
     let shown = |name: &str| !searching || name.to_lowercase().contains(&query);
     let grab = egui::DragAndDrop::payload::<PanelDrag>(ui.ctx()).and_then(|d| grabbed(&d, &lib_id));
-    let items = Items { library: &lib_id, lib, groups: lib.group_index(), fill_active, grab, list };
+    // Whether a character style's Apply Character Style is enabled (looked up only when the library has one).
+    let can_apply =
+        has_doc && !lib.char_styles.is_empty() && vectorcraft_engine::cmd::textstyles::target_style_attrs(&app.session, &json!({}), false).is_some();
+    let items = Items { library: &lib_id, lib, groups: lib.group_index(), fill_active, grab, list, has_doc, can_apply };
     // The items shown in each section: the ungrouped ones first, then each group's.
     let mut counts = vec![0usize; lib.groups.len() + 1];
     for (kind, key, _) in lib.items().filter(|(_, _, name)| shown(name)) {
@@ -374,6 +392,7 @@ pub fn show(app: &mut VectorcraftApp, ui: &mut Ui) {
         }
         Some(Act::NewGroup(items)) => ask_group_name(app, &lib_id, None, items),
         Some(Act::RenameGroup(g)) => ask_group_name(app, &lib_id, Some(&g), Value::Null),
+        Some(Act::RenameItem(kind, item)) => ask_item_name(app, &lib_id, kind, &item),
         None => {}
     }
 }
@@ -466,7 +485,13 @@ impl Items<'_> {
                 if resp.clicked() {
                     *act = Some(Act::Run("library.use", json!({ "kind": kind_param(kind), "item": st.name })));
                 }
-                resp.context_menu(|ui| self.item_menu(ui, act, kind, &st.name));
+                resp.context_menu(|ui| {
+                    if kind == ItemKind::CharStyle {
+                        self.char_style_menu(ui, act, &st.name);
+                    } else {
+                        self.item_menu(ui, act, kind, &st.name);
+                    }
+                });
             }
             ui.add_space(6.0);
         }
@@ -597,6 +622,40 @@ impl Items<'_> {
     /// An item's context menu entries: Move to Group (No Group, the library's groups, New
     /// Group…) and Delete.
     fn item_menu(&self, ui: &mut Ui, act: &mut Option<Act>, kind: ItemKind, key: &str) {
+        self.group_menu(ui, act, kind, key);
+        if menu_item(ui, "Delete", true, false) {
+            *act = Some(Act::Run("library.removeItem", json!({ "kind": kind_param(kind), "item": key })));
+            ui.close();
+        }
+    }
+
+    /// A character style's context menu: Apply Character Style (with type selected), Add to
+    /// Character Styles (the document's, not applied), Move to Group, Rename… and Delete.
+    fn char_style_menu(&self, ui: &mut Ui, act: &mut Option<Act>, key: &str) {
+        let item = json!({ "kind": "charStyle", "item": key });
+        if menu_item(ui, "Apply Character Style", self.can_apply, false) {
+            *act = Some(Act::Run("library.use", item.clone()));
+            ui.close();
+        }
+        if menu_item(ui, "Add to Character Styles", self.has_doc, false) {
+            *act = Some(Act::Run("library.addToCharacterStyles", json!({ "item": key })));
+            ui.close();
+        }
+        ui.separator();
+        self.group_menu(ui, act, ItemKind::CharStyle, key);
+        if menu_item(ui, "Rename…", true, false) {
+            *act = Some(Act::RenameItem(ItemKind::CharStyle, key.to_string()));
+            ui.close();
+        }
+        if menu_item(ui, "Delete", true, false) {
+            *act = Some(Act::Run("library.removeItem", item));
+            ui.close();
+        }
+    }
+
+    /// The Move to Group submenu of an item's context menu: No Group, the library's groups and
+    /// New Group….
+    fn group_menu(&self, ui: &mut Ui, act: &mut Option<Act>, kind: ItemKind, key: &str) {
         let at = self.group_of(kind, key);
         let item = json!({ "kind": kind_param(kind), "item": key });
         ui.menu_button(format!("   {}", tl!("Move to Group")), |ui| {
@@ -624,10 +683,6 @@ impl Items<'_> {
                 }
             });
         });
-        if menu_item(ui, "Delete", true, false) {
-            *act = Some(Act::Run("library.removeItem", item));
-            ui.close();
-        }
     }
 }
 
diff --git a/crates/ui-egui/src/panels/libraries/tests.rs b/crates/ui-egui/src/panels/libraries/tests.rs
index 5f7f575c8f..931a91a444 100644
--- a/crates/ui-egui/src/panels/libraries/tests.rs
+++ b/crates/ui-egui/src/panels/libraries/tests.rs
@@ -416,6 +416,89 @@ fn group_dialogs_run_with_their_library_and_group() {
     assert_eq!(got["groups"], json!([{"name": "Cold", "items": [{"kind": "color", "item": "Blue"}]}]));
 }
 
+/// A `button` click at `pos`, pressed in one frame and released in the next.
+fn click_at(app: &mut VectorcraftApp, ctx: &egui::Context, pos: egui::Pos2, button: egui::PointerButton) -> Vec<(String, Rect)> {
+    let event = |pressed| egui::Event::PointerButton { pos, button, pressed, modifiers: Default::default() };
+    frame_at(app, ctx, 600.0, vec![egui::Event::PointerMoved(pos), event(true)]);
+    frame_at(app, ctx, 600.0, vec![event(false)]);
+    frame_at(app, ctx, 600.0, vec![]).0
+}
+
+/// The menu entries shown in `texts`, in order from the top: the labels starting with the menu's
+/// indent.
+fn menu_entries(texts: &[(String, Rect)]) -> Vec<String> {
+    let mut entries: Vec<_> = texts.iter().filter(|(t, _)| t.starts_with("   ")).map(|(t, r)| (t.trim().to_string(), r.top())).collect();
+    entries.sort_by(|a, b| a.1.total_cmp(&b.1));
+    entries.into_iter().map(|(t, _)| t).collect()
+}
+
+/// A right-click on a library character style opens its menu without applying it: Apply
+/// Character Style (only with type selected), Add to Character Styles, Move to Group, Rename… and
+/// Delete. Add puts the style in the document's character styles and leaves the selected type as
+/// it was; Rename… opens a dialog with the style's name that renames it on OK and changes nothing
+/// on Cancel. A paragraph style's menu stays Move to Group and Delete.
+#[test]
+fn a_character_style_s_menu_applies_adds_renames_and_deletes() {
+    let mut app = VectorcraftApp::new(Session::new(), Default::default());
+    app.run("file.new", json!({"width": 200, "height": 200})).unwrap();
+    let data = json!({"name": "Type", "charStyles": [{"name": "Headline", "attrs": {"size": 31.0}}], "paraStyles": [{"name": "Body", "attrs": {}}]});
+    let lib = app.run("library.import", json!({"data": data.to_string()})).unwrap()["id"].as_str().unwrap().to_string();
+    let ctx = egui::Context::default();
+    crate::theme::install_fonts(&ctx);
+    let (texts, _) = frame_at(&mut app, &ctx, 600.0, vec![]);
+    // No type selected: Apply is there but does nothing.
+    let menu = click_at(&mut app, &ctx, at(&texts, "Headline").center(), egui::PointerButton::Secondary);
+    assert_eq!(menu_entries(&menu), ["Apply Character Style", "Add to Character Styles", "Move to Group", "Rename…", "Delete"]);
+    click_at(&mut app, &ctx, at(&menu, "   Apply Character Style").center(), egui::PointerButton::Primary);
+    assert!(app.session.active().unwrap().doc.char_styles.is_empty(), "disabled without type");
+    // With type selected: a right-click applies nothing; Add adds the style, unapplied.
+    let t = app.run("text.create", json!({"x": 10, "y": 80, "text": "Type", "size": 9})).unwrap()["id"].as_u64().unwrap();
+    app.run("select.set", json!({"ids": [t]})).unwrap();
+    let style_of = |app: &VectorcraftApp| match &app.session.active().unwrap().doc.node(vectorcraft_doc::NodeId(t)).unwrap().kind {
+        vectorcraft_doc::NodeKind::Text(text) => (text.runs[0].style.size, text.runs[0].style.style_name.clone()),
+        _ => panic!("not text"),
+    };
+    let (texts, _) = frame_at(&mut app, &ctx, 600.0, vec![]);
+    let menu = click_at(&mut app, &ctx, at(&texts, "Headline").center(), egui::PointerButton::Secondary);
+    assert_eq!(style_of(&app), (9.0, None), "a right-click applies nothing");
+    let undo = app.session.active().unwrap().history.undo.len();
+    click_at(&mut app, &ctx, at(&menu, "   Add to Character Styles").center(), egui::PointerButton::Primary);
+    let doc = &app.session.active().unwrap().doc;
+    assert_eq!(doc.char_styles.iter().map(|c| c.name.as_str()).collect::<Vec<_>>(), ["Headline"]);
+    assert_eq!(style_of(&app), (9.0, None), "added, not applied");
+    assert_eq!(app.session.active().unwrap().history.undo.len(), undo + 1);
+    // Apply applies it.
+    let (texts, _) = frame_at(&mut app, &ctx, 600.0, vec![]);
+    let menu = click_at(&mut app, &ctx, at(&texts, "Headline").center(), egui::PointerButton::Secondary);
+    click_at(&mut app, &ctx, at(&menu, "   Apply Character Style").center(), egui::PointerButton::Primary);
+    assert_eq!(style_of(&app), (31.0, Some("Headline".into())));
+    // Rename…: Cancel keeps the name, OK renames.
+    for (ok, want) in [(false, "Headline"), (true, "Title")] {
+        let (texts, _) = frame_at(&mut app, &ctx, 600.0, vec![]);
+        let menu = click_at(&mut app, &ctx, at(&texts, "Headline").center(), egui::PointerButton::Secondary);
+        click_at(&mut app, &ctx, at(&menu, "   Rename…").center(), egui::PointerButton::Primary);
+        let d = app.ui.dialog.as_mut().expect("the Rename dialog");
+        assert_eq!((d.str("__command"), d.str("name")), ("library.renameItem".to_string(), "Headline".to_string()));
+        d.fields.insert("name".into(), json!("Title"));
+        if ok {
+            crate::dialogs::confirm(&mut app).unwrap();
+        } else {
+            crate::dialogs::cancel(&mut app);
+        }
+        assert_eq!(style_order(&mut app), [want]);
+    }
+    // The paragraph style's menu.
+    let (texts, _) = frame_at(&mut app, &ctx, 600.0, vec![]);
+    let menu = click_at(&mut app, &ctx, at(&texts, "Body").center(), egui::PointerButton::Secondary);
+    assert_eq!(menu_entries(&menu), ["Move to Group", "Delete"]);
+    // Delete removes the character style from the library only.
+    let (texts, _) = frame_at(&mut app, &ctx, 600.0, vec![]);
+    let menu = click_at(&mut app, &ctx, at(&texts, "Title").center(), egui::PointerButton::Secondary);
+    click_at(&mut app, &ctx, at(&menu, "   Delete").center(), egui::PointerButton::Primary);
+    assert!(app.session.libraries.get(&lib).unwrap().char_styles.is_empty());
+    assert_eq!(app.session.active().unwrap().doc.char_styles.len(), 1, "the document's style stays");
+}
+
 /// Export Library… writes the library's file and Import Library… adds it back as a new library.
 #[cfg(not(target_arch = "wasm32"))]
 #[test]
diff --git a/docs/mcp.md b/docs/mcp.md
index 274db05a34..41e28969f4 100644
--- a/docs/mcp.md
+++ b/docs/mcp.md
@@ -4051,7 +4051,15 @@ center?, to?}` uses one: a graphic is placed centred on `center` (pasted with it
 gives another colour merges into the document's), a colour paints the selection's fill or stroke, and a style is added
 to the document under its name without the white space around it (numbered when that name is taken by other
 attributes) and applied to the selected text, each as one undo step. `library.removeItem {library?, kind, item}` removes
-one.
+one. `library.addToCharacterStyles {library?, item}` adds a character style to the document's character styles without
+applying it, so no text needs to be selected: a document style of that name with the same attributes is reused
+(`existing: true`, no undo step), and a name taken by other attributes gets a number, as `library.use` names it; a new
+style is one undo step. With either command, a character style's color linked to a swatch that is not a global or spot
+swatch of the document keeps the color it shows without the link. `library.renameItem {library?, kind, item, name}` renames an item in place, its group keeping it
+(a graphic keeps its id); the name is trimmed and has 1 to 256 characters, another item of its kind with that name is
+an error, renaming an item to its own name writes nothing, and a rename is not a document undo step. A right-click on a
+character style in the panel offers Apply Character Style (with type selected), Add to Character Styles, Move to Group,
+Rename… and Delete ([help page](https://helpx.adobe.com/illustrator/desktop/design-with-text/fonts-and-scripts/add-and-use-text-and-character-styles-in-libraries.html)).
 
 Gradients and patterns are kinds of their own (the panel's + button lists Fill Gradient, Stroke Gradient, Fill Pattern
 and Stroke Pattern, and a gradient or pattern swatch dragged from the Swatches panel onto the list is added).
diff --git a/docs/target-app-parity.md b/docs/target-app-parity.md
index 2da74aeeaf..291a5ada06 100644
--- a/docs/target-app-parity.md
+++ b/docs/target-app-parity.md
@@ -1471,6 +1471,7 @@ Moved from the ROADMAP's "Shipped so far" on 2026-10-10. Update it when a featur
   - **Neutral wording:** labels, MCP tool text, docs and packaging use neutral names, and `cargo xtask brands` (part of `cargo xtask ci`) fails on vendor names.
 - **Colour, type and file workflows:** Recolor Artwork (dialog with harmonies), Edit Colors, Find & Replace, Change Case, Smart Punctuation, Guides, Lock/Hide Above, Transform Each, Rasterize.
   The Libraries panel holds gradients and patterns: its + button adds the selection's fill or stroke gradient or pattern, a gradient or pattern swatch dragged from the Swatches panel is added, and a click paints the selection through the active Fill/Stroke proxy, a pattern bringing its definition and swatch into the document. A spot colour stays a spot colour: the library keeps its ink name and tint, and using it in any document links the paint to that document's spot swatch of that name, adding it when missing (#5812).
+  A right-click on a character style in the Libraries panel offers Apply Character Style, Add to Character Styles, Move to Group, Rename… and Delete ([help page](https://helpx.adobe.com/illustrator/desktop/design-with-text/fonts-and-scripts/add-and-use-text-and-character-styles-in-libraries.html)): Apply works on the selected type, Add puts the style in the document's character styles without applying it (`library.addToCharacterStyles`), Rename… renames the library's style in place (`library.renameItem`) and Delete removes it from the library only. Opening the menu applies nothing. Tests: `tests::library::a_library_character_style_is_added_to_the_document_without_applying_it`, `library_items_are_renamed_in_place`, `panels::libraries::tests::a_character_style_s_menu_applies_adds_renames_and_deletes`.
   Object › Lock › All Artwork Above and Object › Hide › All Artwork Above deselect the selected objects they lock or hide, the key object included.
   Object › Hide › Unselected Artwork (Cmd/Ctrl+Alt+Shift+3, `object.hide.unselected`) hides, in one undo step, every object Select All takes that is not selected and holds no selected object; the members of a group that holds a selected object are hidden one by one, and Object › Show All shows them again. In isolation mode it hides only unselected objects inside the isolated object. Public reference: [Default keyboard shortcuts](https://web.archive.org/web/20260726060015/https://helpx.adobe.com/illustrator/using/default-keyboard-shortcuts.html), "Hide unselected artwork".
   Cmd/Ctrl+Alt+Shift+2 (`object.lock.unselected`) locks unselected artwork in one undo step and has no Object › Lock menu item. It locks unselected members of partly selected groups, clipping groups and compound paths, and unselected guides while Lock Guides is on. In ordinary isolation mode it locks only unselected art inside the isolated object. Object › Unlock All unlocks all locked art in the document, or inside the isolated object in isolation mode. The [public shortcut page](https://web.archive.org/web/20260726060015/https://helpx.adobe.com/illustrator/using/default-keyboard-shortcuts.html) calls the action "Lock all deselected artwork".