Fonts: Han and kana keep the bundled fallback order; only the weight and slant of fallback glyphs change (#2491)

crates/text/src/fontdb.rs

@@ -500,47 +500,11 @@ pub const THAI_FAMILIES: &[&str] = &[
     "Garuda",
 ];
 
-/// Installed sans-serif families tried first for Chinese characters the font in use lacks, so that
-/// Han next to Hangul (which only these cover) is not set in the bundled Mincho (#2491).
-const HAN_SANS_FAMILIES: &[&str] = &[
-    "PingFang SC",
-    "Hiragino Sans",
-    "Hiragino Kaku Gothic ProN",
-    "Microsoft YaHei",
-    "Yu Gothic",
-    "Noto Sans CJK SC",
-    "Noto Sans CJK JP",
-    "Noto Sans SC",
-    "Noto Sans JP",
-    "Source Han Sans",
-];
-
-/// The same for kana: the Japanese families first.
-const KANA_SANS_FAMILIES: &[&str] = &[
-    "Hiragino Sans",
-    "Hiragino Kaku Gothic ProN",
-    "Yu Gothic",
-    "Noto Sans CJK JP",
-    "Noto Sans JP",
-    "Source Han Sans",
-    "PingFang SC",
-    "Microsoft YaHei",
-    "Noto Sans CJK SC",
-];
-
 /// The families tried first for character `c`, in a script whose text only fonts made for it set
-/// well (Thai, Lao, Khmer, Myanmar), or that is set in an installed sans-serif rather than the
-/// bundled Mincho (Han, kana, CJK punctuation); none for other characters. When none of the
-/// families is installed the loaded fonts are used, the Mincho among them.
+/// well (Thai, Lao, Khmer, Myanmar); none for other characters.
 fn script_families(c: char) -> &'static [&'static str] {
     use unicode_script::{Script, UnicodeScript};
-    if matches!(c, '\u{3000}'..='\u{303F}' | '\u{FF00}'..='\u{FFEF}') {
-        // Punctuation is set the Japanese way (the corner brackets sit by the line's start).
-        return KANA_SANS_FAMILIES;
-    }
     match c.script() {
-        Script::Han | Script::Bopomofo => HAN_SANS_FAMILIES,
-        Script::Hiragana | Script::Katakana => KANA_SANS_FAMILIES,
         Script::Thai => THAI_FAMILIES,
         Script::Lao => &["Lao UI", "Leelawadee UI", "Lao Sangam MN", "Noto Sans Lao", "Noto Sans Lao UI", "Phetsarath OT"],
         Script::Khmer => &["Khmer UI", "Khmer Sangam MN", "Noto Sans Khmer", "Noto Sans Khmer UI", "Khmer OS"],

docs/type-parity.md

@@ -32,7 +32,7 @@ against Illustrator's public documentation; **estimated** unless noted.
 | Missing glyphs set in an installed font made for their script (Thai, Lao, Khmer, Myanmar first; then any font that has them) | done | Thai: Leelawadee UI, Tahoma, Thonburi, Sukhumvit Set, Noto Sans Thai, TLWG |
 | Full font-name matching (OpenType name ID 4) | done | #1258: loaded/cataloged faces and Missing Fonts searches; localized names and variable default faces; Windows font-service QA pending |
 | Variable fonts | partial | named instances as styles; Character panel › Variable Font sets each axis (`fontAxes`); the font menu's Variable filter is missing |
-| Fallback glyphs keep the text's weight and slant; Han, kana and CJK punctuation prefer an installed sans over the bundled Mincho | done | #2491: a character from a fallback face is set in that family's face nearest the run's weight and slant; Bold Italic of a missing family is drawn Bold (Source Sans 3 has no Bold Italic) rather than Italic; Han: PingFang SC, Hiragino Sans, Microsoft YaHei, Yu Gothic, Noto Sans CJK SC/JP, Source Han Sans; kana and CJK punctuation: the Japanese families first; the bundled Mincho stays when none is installed; no synthesized bold or italic yet |
+| Fallback glyphs keep the text's weight and slant | done | #2491: a character from a fallback face is set in that family's face nearest the run's weight and slant; Bold Italic of a missing family is drawn Bold (Source Sans 3 has no Bold Italic) rather than Italic |
 | Colour fonts (OpenType SVG / COLR) | partial | |
 | Every-line and Single-line composers | done | tuned by eye, never compared side by side |
 | Optical Margin Alignment | done | Type › Optical Margin Alignment, `type.opticalMarginAlignment`: per type object, in point and area type of left-to-right paragraphs; type on a path and right-to-left paragraphs do not hang |
@@ -82,7 +82,7 @@ Character Styles menu New/Redefine and footer New capture the first selected cha
 | 2026-10-13 | minor | Fit Headline no longer pushes the tracking to its ceiling and loses glyphs when the frame holds one line (#1445, fixes #1444); text frames, wrap shapes and type paths with coordinates beyond a billion points hold no text, and layout limits its search for room, instead of hanging (#1451); scores and hours unchanged |
 | 2026-10-12 | minor | Character styles retain explicit Auto leading, propagate resets and preserve local leading overrides; scores and hours unchanged |
 | 2026-10-12 | minor | A character no installed font had is looked for again after the fonts are rescanned, so installing a font fixes it without a restart (#1376, from #992); scores and hours unchanged |
-| 2026-10-16 | minor | Fallback glyphs keep the text's weight and slant; Bold Italic of a missing family keeps the bold; Han and kana prefer an installed sans over the bundled Mincho (#2491); scores and hours unchanged |
+| 2026-10-16 | minor | Fallback glyphs keep the text's weight and slant; Bold Italic of a missing family keeps the bold (#2491); scores and hours unchanged |
 | 2026-10-16 | minor | A variable font whose name table says Light but whose default instance is Regular (Noto Sans Hebrew) lists and weighs its default face as Regular (#2521); scores and hours unchanged |
 | 2026-10-12 | minor | Full-name font matching and Missing Fonts searches (#1258): synthetic static/variable font regressions; Windows font-service QA pending; scores and hours unchanged |
 | 2026-10-11 | minor | Middle Eastern: digit types done (Character panel menu › Digits: Default, Arabic, Hindi, Farsi; `text.setFormat` / `text.setRangeStyle {digits}`); Character Direction, kashidas, composers and the split caret still missing; scores unchanged at this rounding |