The merge resolves the conflict in crates/engine/src/cmd/panelcmds.rs:
the params line of text.setFormat keeps main's Justification… params
and this branch's antiAlias param.
In crates/render/src/lib.rs, main measures the alternate-glyph
highlight only when it is shown (g.alternate_glyphs(t)). The
Anti-aliasing Method's check for a substitution highlight now calls it
the same way, and a new test covers it.
dotCooCoo
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