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Merge pull request #7863 from dotCooCoo/feat/diacritic-position
Type: Adjust Horizontal and Vertical Diacritic Position move marks off their letters
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BFlat
+28
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@@ -10087,6 +10087,30 @@ A digit the font lacks comes from a fallback font. Default and saved only when s
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{"name":"run_command","arguments":{"command":"text.setFormat","params":{"digits":"hindi"}}}
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```
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## Adjust Diacritic Position
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`text.setFormat {diacriticHorizontal?, diacriticVertical?}` (the selected type, or `ids`) and
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`text.setRangeStyle {id, start, end, diacriticHorizontal?, diacriticVertical?}` (a range) move the characters' diacritical
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marks relative to their letters, as the Character panel's Adjust Horizontal and Adjust Vertical Diacritic Position do
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([the reference, page 549](https://web.archive.org/web/20210601162814/https://helpx.adobe.com/pdf/illustrator_reference.pdf#page=549)).
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The units, range and direction are VectorCraft's own rules: each value is in thousandths of an em of the characters' size,
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from -1000 to 1000; a positive horizontal value moves the marks right and a positive vertical value moves them up. Only
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glyphs the font classes as marks (GDEF class 3) move; the letters keep their places and advances, and a font without
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mark classes moves nothing. An Arabic harakat or a Hebrew point styled apart from its letter takes its own values;
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other marks take the values of their letter. Setting one value leaves the other as it is. Both are 0 by default and
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saved only when not 0, and character styles carry them (`charStyle.new`, `charStyle.setAttrs` and `charStyle.edit`
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refuse a value outside the range). A value that is not a number is refused with `` `diacriticHorizontal` must be a
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number ``, and one outside the range with `` `diacriticHorizontal` must be from -1000 to 1000 ``, naming the key. One
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undo step, and a `text.setFormat` call that gives the values the characters already have records none. With Show Middle Eastern
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Options on, the Character panel shows both fields, blank where the selected characters differ, with -200, -100, -50,
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0, 50, 100 and 200 in their menus, and a value typed past either end sets that end; Reset Panel sets both to 0.
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Character Style Options shows both fields in Advanced Character Formats. The canvas, PDF export and outlines draw the
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moved marks; SVG export writes type with a moved mark as outlines.
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```json
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{"name":"run_command","arguments":{"command":"text.setRangeStyle","params":{"id":12,"start":2,"end":4,"diacriticVertical":150}}}
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```
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## Font height reference
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`text.setFormat {fontHeightReference: "emBox"|"capHeight"|"xHeight"|"icfBox"}` (the selected type, or `ids`) and
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@@ -10408,7 +10432,7 @@ attribute map in one undo step. `to` is trimmed and must be unique. The command
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while preserving local overrides; Undo/Redo restores the definition and its users. The `charStyleOptions`
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dialog exposes `name`, `font_family`, `font_style`, `size`, `leading`, `kerning`, `tracking`, `case`,
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`position`, `underline`, `strikethrough`, `charAlign`, `h_scale`, `v_scale`, `baseline_shift`, `tcyUpDown`,
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`tcyLeftRight`, `rotation`, `akiLeft`, `akiRight`, `tsume`, `language`, `fill`, `fill_tint`, `stroke`, `stroke_tint`, `stroke_width`, `overprint_fill`, `overprint_stroke`,
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`tcyLeftRight`, `rotation`, `akiLeft`, `akiRight`, `tsume`, `diacriticHorizontal`, `diacriticVertical`, `language`, `fill`, `fill_tint`, `stroke`, `stroke_tint`, `stroke_width`, `overprint_fill`, `overprint_stroke`,
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`ot_figure`, `ot_position`, `ot_liga`, `ot_calt`, `ot_dlig`, `ot_swsh`, `ot_salt`, `ot_titl`, `ot_ordn`, `ot_frac`,
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`ot_sets`, `section` (`general`, `basic`, `advanced`, `color` or `opentype`), and `preview`. An empty field leaves its
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attribute unset. `leading` and `kerning` also accept `Auto` to store an explicit automatic value.
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@@ -10417,7 +10441,9 @@ Advanced Character Formats holds `h_scale` and `v_scale` (percent, 1 to 10000),
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-1296 to 1296, as `text.setRangeStyle` takes them; an explicit 0 stays distinct from unset), `rotation` (degrees, stored from -180 to 180), Insert Aki Left and Right `akiLeft` and `akiRight` (thousandths of
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an em, with the Character panel's 0, 250, 500 and 1000 in their menus; a value typed below 0 or past 1000 sets 0 or
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1000), Tsume `tsume` (percent, with the Character panel's 0, 25, 50, 75 and 100 in its menu; a value typed below 0 or
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past 100 sets 0 or 100; an explicit 0 stays distinct from unset) and `language` (a name or tag from Document
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past 100 sets 0 or 100; an explicit 0 stays distinct from unset), Adjust Horizontal and Vertical Diacritic Position
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`diacriticHorizontal` and `diacriticVertical` (thousandths of an em, with the Character panel's -200, -100, -50, 0, 50,
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100 and 200 in their menus; a value typed below -1000 or past 1000 sets -1000 or 1000) and `language` (a name or tag from Document
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Setup's languages; English: USA stores the explicit default `null`, and a tag not in the list that the style
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already has is kept). Language sets the language the characters are shaped in; it does not change hyphenation
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or spelling.
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@@ -1473,6 +1473,7 @@ Moved from the ROADMAP's "Shipped so far" on 2026-10-10. Update it when a featur
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The Paragraph panel's Insert Kashidas (with the Indic options; `text.setFormat {kashida}`) lengthens each Arabic word of a justified horizontal area type line with a kashida, a tatweel between its last pair of joined letters, before the word spaces widen: Short, Medium and Long kashidas are at most a quarter, half and a whole em long, Stylistic ones are whole tatweels up to an em, and None (the default) leaves the line as before; paragraph styles and the native file keep the setting.
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The Character panel menu's Kashidas switch (with the Indic options; `text.setFormat` / `text.setRangeStyle {kashidas}`) allows Kashidas on selected characters, on by default for new and old text. A pair of joined letters receives one only when both characters allow it; turning one off leaves other eligible pairs in the word available. Character styles and the native file keep the switch. [Public help](https://helpx.adobe.com/illustrator/desktop/design-with-text/fonts-and-scripts/justify-text-using-kashida-and-hyphenation.html) documents the menu control and the separate paragraph length choices; the default and pair rule are VectorCraft choices.
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Paint-only Arabic harakat (marks whose character styles differ only in fill, stroke and related paint) stay inside one shaping cluster so letters keep their joining forms; when a second character-level shaping pass matches the monotone glyphs, a glyph may take a later in-cluster character's run only when GDEF classifies it as a mark (class 3) and that character is a harakat; otherwise it keeps the shaping cluster's first character. Insert Kashidas tatweels take the base letter's paint rather than a trailing mark's. Fonts without GDEF and some AAT/`morx` ligatures can leave a mark painted as its letter (`crates/text/src/tests/harakat.rs`).
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Character panel › Adjust Horizontal and Adjust Vertical Diacritic Position (with the Middle Eastern options; `text.setFormat` or `text.setRangeStyle {diacriticHorizontal, diacriticVertical}`, VectorCraft's own thousandths of an em from -1000 to 1000, 0 by default) move the selected characters' mark glyphs (GDEF class 3) right or left and up or down while the letters stay in place ([the reference, page 549](https://web.archive.org/web/20210601162814/https://helpx.adobe.com/pdf/illustrator_reference.pdf#page=549)); an Arabic harakat or Hebrew point styled apart takes its own values, character styles carry both (Character Style Options › Advanced Character Formats edits them), the canvas and PDF draw the moved marks and SVG writes such type as outlines (`tests::harakat::diacritic_positions_move_marks_and_keep_letters`).
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The Paragraph panel's Bullets button, Type › Bullets and Numbering › Apply Bullets and the context menu's Apply Bullets (`text.setFormat {list, bullet}`, `type.applyBullets`) make paragraphs a bulleted list with the documented presets (none, filled dot, dash, hollow circle, filled square; [Create bulleted or numbered lists](https://web.archive.org/web/20260417034638/https://helpx.adobe.com/illustrator/desktop/design-with-text/edit-format-text/create-bulleted-or-numbered-lists.html)): the bullet starts each paragraph's first line in its first character's font, size and color, the first line's text starts at the next tab stop after the bullet (the left indent counts as a stop), the lines it wraps to start at the left indent, a paragraph with no indents gets 18 pt and -18 pt, and Return continues the list; Reset Panel turns it off, and paragraph styles and the native file keep it.
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The Paragraph panel's Bullets button, Type › Bullets and Numbering › Apply Bullets and the context menu's Apply Bullets (`text.setFormat {list, bullet}`, `type.applyBullets`) make paragraphs a bulleted list with the documented presets (none, filled dot, dash, hollow circle, filled square; [Create bulleted or numbered lists](https://web.archive.org/web/20260417034638/https://helpx.adobe.com/illustrator/desktop/design-with-text/edit-format-text/create-bulleted-or-numbered-lists.html)): the bullet starts each paragraph's first line in its first character's font, size and color, the first line's text starts at the next tab stop after the bullet (the left indent counts as a stop), the lines it wraps to start at the left indent, a paragraph with no indents gets 18 pt and -18 pt, and Return continues the list; Reset Panel turns it off, and paragraph styles and the native file keep it. The Bullets and Numbering dialog, levels and Convert to Text are not built yet.
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The Paragraph panel's Numbered List button, Type › Bullets and Numbering › Apply Numbers and the context menu's Apply Numbers (`text.setFormat {list, number}`, `type.applyNumbers`) make paragraphs a numbered list with the documented presets (1, A, a, I, i, 01, 001, and None, which turns the list off; [Bullets and numbering](https://web.archive.org/web/20250807202418/https://helpx.adobe.com/illustrator/using/bullets-numbering.html), [Create bulleted or numbered lists](https://web.archive.org/web/20260417034638/https://helpx.adobe.com/illustrator/desktop/design-with-text/edit-format-text/create-bulleted-or-numbered-lists.html)): each paragraph starts with its number and a period, counted through the list paragraphs of the story and its threaded frames, with the text and indents as in a bulleted list; letters go on from Z to AA, and roman numerals go on from III to IV, an empty paragraph is not numbered, and a paragraph in no list starts the count again at 1.
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@@ -62,6 +62,7 @@ against Illustrator's public documentation; **estimated** unless noted.
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| Middle Eastern: bidirectional layout, Paragraph Direction | done | PDF export keeps harakat and zero-advance Noto Arabic dot glyphs in one compatible batch per layout line, with per-glyph vertical offsets (#6309). `crates/pdf/src/tests/realtext.rs` (`mark_text_*`) checks decoded cluster mappings, mixed Arabic/Latin/digits, contour placement against outline export, vertical columns, differing path rotations and PDF/X-1a/3/4. Editable-text import still needs ActualText support (#6165); separately styled or differently rotated clusters and external viewer search/copy remain outside this export-only evidence. |
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| Middle Eastern and Indic: digit types (Character panel menu › Digits: Default, Arabic, Hindi, Farsi; Devanagari, Bengali, Gurmukhi, Gujarati, Odia, Tamil, Telugu, Kannada, Malayalam) | done | `text.setFormat` / `text.setRangeStyle {digits}` (`"devanagari"`, `"bengali"`, `"gurmukhi"`, `"gujarati"`, `"odia"`, `"tamil"`, `"telugu"`, `"kannada"`, `"malayalam"` added, #4942); the text keeps the typed digits, the glyphs and SVG export follow the style; carried by character styles. Not yet: `.ai` export of the setting; Indic digits typed as such stay as typed under another system. Evidence: `text::tests::indic_digits_map_to_their_scripts_block`, `tests::bidi::indic_digits_draw_the_scripts_own_digits`, `typecmd::area_tests::indic_digits_round_trip_through_the_commands_and_the_file` |
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| Middle Eastern: Kashidas | done | Paragraph Insert Kashidas sets the length for justified Arabic area type; Character-menu Kashidas allows or excludes selected characters, on by default. A kashida is inserted only between two allowed joined characters. The character switch is retained in character styles and the native file; the length is retained in paragraph styles and the native file. Paint-only harakat (coloured or hidden marks) stay in one shaping cluster so letters keep joining; when the character-level pass matches, a glyph may take a later in-cluster character's run only if GDEF names it a mark (class 3) and that character is a harakat—otherwise the cluster start (a mark may miss its colour; a base never takes a mark's). Inserted tatweels take the base letter's paint—not a trailing mark's. Fonts without GDEF and some AAT/`morx` ligatures (e.g. Geeza Pro Allah) can leave a mark painted as its letter. No Character-panel harakat colour command yet. Evidence: `tests::harakat`. [Public help](https://helpx.adobe.com/illustrator/desktop/design-with-text/fonts-and-scripts/justify-text-using-kashida-and-hyphenation.html). |
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| Middle Eastern: Adjust Horizontal and Vertical Diacritic Position | done | `text.setFormat` / `text.setRangeStyle {diacriticHorizontal, diacriticVertical}` and the Character panel's fields (with the Middle Eastern options) move mark glyphs (GDEF class 3) by VectorCraft's own thousandths of an em, -1000 to 1000; letters keep their places, harakat and Hebrew points styled apart take their own values, character styles and the native file keep both, and SVG writes such type as outlines. Not yet: `.ai` import and export of the values. Evidence: `tests::harakat::diacritic_positions_move_marks_and_keep_letters`. [Reference, page 549](https://web.archive.org/web/20210601162814/https://helpx.adobe.com/pdf/illustrator_reference.pdf#page=549). |
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| Middle Eastern & South Asian composers and Standard composers (Paragraph panel menu, paragraph styles, `text.setFormat {composer}`) | done / partial | #4935: per paragraph, four choices. Middle Eastern & South Asian Single-line and Every-line are how all type was already set (complex-script shaping on) and stay the default, so existing documents do not change. Standard Single-line and Every-line break lines the same way and set Indic, Arabic and Hebrew type glyph by glyph as the font maps its characters (no conjuncts, reordering, mark placement or joining), for legacy fonts that keep a script on Latin character codes. Indic, Arabic and the other joining scripts and Hebrew are the scripts left unshaped (their letters do not join, so Insert Kashidas adds no tatweel); Latin, Greek, Cyrillic, CJK, Thai and the rest keep their kerning and ligatures. The native file and paragraph styles keep the choice (`standardSingleLine` / `standardEveryLine`; an older VectorCraft cannot read a file that uses them). `.ai`, EPS and PDF import and export carry no composer: this app has no recorded format for it, so a Standard paragraph opened from or saved to those files comes back Middle Eastern & South Asian. Evidence: `tests::composers`, `tests::panelcmds::text_set_format_takes_the_four_composers`, `native_v3::all_four_composers_round_trip` |
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| Middle Eastern: split caret | missing | Character Direction is done; editable bidirectional SVG text remains incomplete. |
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| CJK: input methods (marked text, candidate window) | done | |
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