Merge PR #2609: fix(edit): draw the Cyrillic the Japanese faces lack with the bundled Inter face (#2593)

parity/acrobat-features.toml: edit.edit-text evidence and notes take both sides' additions

docs/editing-existing-text.md

@@ -24,7 +24,11 @@ page. Select **Keep source fonts** to preserve each run's original face. A match
 completes its subsets automatically, including new Chinese characters. When the PDF itself embeds
 the complete program of a paragraph's font (not a subset) and its licence allows editable
 embedding, a character the font's encoding can't show is drawn with that same program. A
-character no available face has is refused with an error that names it. Choosing another face
+character no available face has is refused with an error that names it, and a CJK character
+without a craft-fonts build says so. Replacement text takes the craft-fonts Japanese faces when
+they can draw all of it, and the bundled Inter face (`assets/fonts`) for the Latin, Greek and
+Cyrillic letters they lack (Uzbek `қизил`, Kazakh `әже`): that face needs no build input, so
+these work in every build, the web one included. Choosing another face
 is explicit. Fonts with restricted embedding, unsupported collections, excluded families or
 no open-licence declaration are refused. Interface fallback fonts are never exported.