#2882: restore the saved proofing default when a command is rejected

Roll back the new preference on final command rejection, including protected-region validation after handler success. Cover prior/default-free preferences, document and undo rollback, serialization and restart. Qualify interface-language fallback documentation and add missing function documentation.

ROADMAP.md

@@ -2,7 +2,7 @@
 
 **Stage: alpha** · next: beta, ~15 points (60% → 75% ready for real work) and ~150–230 h away
 
-> **Last reviewed:** 2026-10-10 · **Last updated:** 2026-10-20 · **Change:** trivial (Set As Default keeps the proofing language between runs, #2882); previously trivial (progress log: caret inside ligatures, #1974; previously trivial: text typed into a content control takes the control's formatting; localized placeholder styles recognised; previously trivial: forms protection keeps its content controls: no inserting, Properties or Remove Content Control; previously trivial: long navigation headings wrap onto further lines within the pane, #3015; previously trivial: clearing a no-match font query keeps the recent heading visible, #2068; previously trivial: a word after a slash wraps whole, like Word, #2963; previously trivial: progress log: a header-cell picture watermark sits behind the text, #1775; previously trivial: symbols keep their font when the text font changes, #2036; previously trivial: opening a DOCX no longer copies its pictures; previously trivial: Add Font imports every selected font file, #1789); previously trivial (RTF export writes sections (gap 19); previously trivial: ODT export writes sections (gap 19); previously trivial: Read Aloud speaks each sentence in its own language, #1843; previously trivial: hint-reliant CJK outlines; previously trivial: Ctrl+wheel zoom no longer scrolls the document, #1743; previously trivial: progress log: Turkish case mapping in AutoCorrect, #1923; previously trivial: a mouse drag on a table leaves the view where it is, #1738; previously trivial: progress log: Hebrew field results and smart quotes, #1670; previously trivial: Backspace removes a selected table, rows or columns, #1844; previously trivial: progress log: mixed Hebrew/Latin text keeps its order in Word, #1543; previously trivial: progress log: web typing in non-Latin text no longer repeats, #1480; previously trivial: progress log: font family caches bounded and math font lookups follow font changes, #1354; previously trivial: `-->` AutoCorrect replacement, #2223; previously trivial: numbered headings, #1793; previously trivial: Navigation Find exposes Results, #2096; previously trivial: progress log: Columns on selected text, #2024; previously trivial: progress log: legacy outline, shadow, emboss and imprint text effects drawn, #2534; previously trivial: progress log: Indonesian proofing, #498; previously trivial: progress log: DOCX glossary documents (building blocks); previously trivial: progress log: Read Mode keeps the keyboard and shows whole, unobscured columns, #1772); previously trivial: progress log: font list entries of tall-ascent fonts no longer cut off, #2570); previously trivial: progress log: Split Cells and Convert Text to Table dialogs follow the Word check, #2592; previously trivial: a new source's Tag is made like Word's, three letters of the author and two digits of the year with a number added when taken, and an edit keeps the Tag, #2094; previously trivial: Web Layout fills the window width, #1876; previously trivial: progress log: Different First Page headers reachable from page 1, #2826; previously trivial: Language dialog keeps inherited proofing language and no-proof choices (#2717); previously trivial: progress log: web preferences kept between visits, #2132; previously trivial: progress log: undrawable private-use list bullets show the level's default bullet, #1683; previously trivial: progress log: `w:eastAsianLayout` kept on save; previously trivial: table style editor formats every part, #714); previously trivial: VML freeforms read and kept on save; previously trivial: progress log: consistent preferred cell widths; previously trivial: multi-paragraph field instructions no longer add blank lines; previously trivial: page-break-only list paragraphs hide their labels; previously trivial: progress log: grouped `flowChartOr` shapes draw their circle and crossing spokes; previously trivial: progress log: copies keep their formatting in other programs, #1523; previously trivial: progress log: privacy options on save, #1062; previously trivial: progress log: equation pictures in theme colours on Windows, #1002; previously trivial: symbol fonts, #776; previously trivial: the save prompt answers from the keyboard, #861; previously trivial: table column and row markers on the rulers, #700; previously trivial: table borders and the resize handle drag on the page, #217; previously trivial: formatting revisions landed, #41; previously trivial: Draw tab ink, #307, and Draw Table and Eraser, #303, landed: catalog 402/434; previously minor: readiness table with hours per audience; full number back to the additive weighted sum, 60%; mainstream and essentials numbers added; alpha gate checked; previously major: full re-measure against Word for Mac 16.113.4; restructured to the craftrules progress-docs standard) · **Target:** Microsoft Word (Microsoft 365) for Mac 16.113.4
+> **Last reviewed:** 2026-10-10 · **Last updated:** 2026-10-20 · **Change:** trivial (Set As Default keeps the proofing language between runs and rejected commands retain the prior default, #2882); previously trivial (progress log: caret inside ligatures, #1974; previously trivial: text typed into a content control takes the control's formatting; localized placeholder styles recognised; previously trivial: forms protection keeps its content controls: no inserting, Properties or Remove Content Control; previously trivial: long navigation headings wrap onto further lines within the pane, #3015; previously trivial: clearing a no-match font query keeps the recent heading visible, #2068; previously trivial: a word after a slash wraps whole, like Word, #2963; previously trivial: progress log: a header-cell picture watermark sits behind the text, #1775; previously trivial: symbols keep their font when the text font changes, #2036; previously trivial: opening a DOCX no longer copies its pictures; previously trivial: Add Font imports every selected font file, #1789); previously trivial (RTF export writes sections (gap 19); previously trivial: ODT export writes sections (gap 19); previously trivial: Read Aloud speaks each sentence in its own language, #1843; previously trivial: hint-reliant CJK outlines; previously trivial: Ctrl+wheel zoom no longer scrolls the document, #1743; previously trivial: progress log: Turkish case mapping in AutoCorrect, #1923; previously trivial: a mouse drag on a table leaves the view where it is, #1738; previously trivial: progress log: Hebrew field results and smart quotes, #1670; previously trivial: Backspace removes a selected table, rows or columns, #1844; previously trivial: progress log: mixed Hebrew/Latin text keeps its order in Word, #1543; previously trivial: progress log: web typing in non-Latin text no longer repeats, #1480; previously trivial: progress log: font family caches bounded and math font lookups follow font changes, #1354; previously trivial: `-->` AutoCorrect replacement, #2223; previously trivial: numbered headings, #1793; previously trivial: Navigation Find exposes Results, #2096; previously trivial: progress log: Columns on selected text, #2024; previously trivial: progress log: legacy outline, shadow, emboss and imprint text effects drawn, #2534; previously trivial: progress log: Indonesian proofing, #498; previously trivial: progress log: DOCX glossary documents (building blocks); previously trivial: progress log: Read Mode keeps the keyboard and shows whole, unobscured columns, #1772); previously trivial: progress log: font list entries of tall-ascent fonts no longer cut off, #2570); previously trivial: progress log: Split Cells and Convert Text to Table dialogs follow the Word check, #2592; previously trivial: a new source's Tag is made like Word's, three letters of the author and two digits of the year with a number added when taken, and an edit keeps the Tag, #2094; previously trivial: Web Layout fills the window width, #1876; previously trivial: progress log: Different First Page headers reachable from page 1, #2826; previously trivial: Language dialog keeps inherited proofing language and no-proof choices (#2717); previously trivial: progress log: web preferences kept between visits, #2132; previously trivial: progress log: undrawable private-use list bullets show the level's default bullet, #1683; previously trivial: progress log: `w:eastAsianLayout` kept on save; previously trivial: table style editor formats every part, #714); previously trivial: VML freeforms read and kept on save; previously trivial: progress log: consistent preferred cell widths; previously trivial: multi-paragraph field instructions no longer add blank lines; previously trivial: page-break-only list paragraphs hide their labels; previously trivial: progress log: grouped `flowChartOr` shapes draw their circle and crossing spokes; previously trivial: progress log: copies keep their formatting in other programs, #1523; previously trivial: progress log: privacy options on save, #1062; previously trivial: progress log: equation pictures in theme colours on Windows, #1002; previously trivial: symbol fonts, #776; previously trivial: the save prompt answers from the keyboard, #861; previously trivial: table column and row markers on the rulers, #700; previously trivial: table borders and the resize handle drag on the page, #217; previously trivial: formatting revisions landed, #41; previously trivial: Draw tab ink, #307, and Draw Table and Eraser, #303, landed: catalog 402/434; previously minor: readiness table with hours per audience; full number back to the additive weighted sum, 60%; mainstream and essentials numbers added; alpha gate checked; previously major: full re-measure against Word for Mac 16.113.4; restructured to the craftrules progress-docs standard) · **Target:** Microsoft Word (Microsoft 365) for Mac 16.113.4
 > **Last reviewed:** 2026-10-10 · **Last updated:** 2026-10-18 · **Change:** trivial (long navigation headings wrap onto further lines within the pane, #3015; previously trivial: clearing a no-match font query keeps the recent heading visible, #2068; previously trivial: a word after a slash wraps whole, like Word, #2963; previously trivial: RTF export writes sections (gap 19); previously trivial: ODT export writes sections (gap 19); previously trivial: progress log: pasted blockquotes are indented paragraphs, #1270; previously trivial: progress log: print-area strings translated in every catalog; previously trivial: progress log: comments readable in the dark theme, #2045; previously trivial: progress log: ODT sections, #1379; previously trivial: progress log: table deletes, Change Case and Unlink Fields respect Track Changes and locked content controls, #1329; previously trivial: progress log: rounded rectangle corners, #1476; previously trivial: progress log: Save As type list, #1399; previously trivial: progress log: privacy options on save, #1062; previously trivial: progress log: equation pictures in theme colours on Windows, #1002; previously trivial: symbol fonts, #776; previously trivial: the save prompt answers from the keyboard, #861; previously trivial: table column and row markers on the rulers, #700; previously trivial: table borders and the resize handle drag on the page, #217; previously trivial: formatting revisions landed, #41; previously trivial: Draw tab ink, #307, and Draw Table and Eraser, #303, landed: catalog 402/434; previously minor: readiness table with hours per audience; full number back to the additive weighted sum, 60%; mainstream and essentials numbers added; alpha gate checked; previously major: full re-measure against Word for Mac 16.113.4; restructured to the craftrules progress-docs standard) · **Target:** Microsoft Word (Microsoft 365) for Mac 16.113.4
 > **Printing update:** 2026-10-12 · direct desktop printing through craft-print; details below.
 
@@ -141,7 +141,7 @@ Imported Word 97–2003 `.doc`/`.dot` files now ask for a supported DOCX target
 - 2026-10-15: Find opens Navigation on Results; editing the query restores Results after manual Headings/Pages navigation. Typed and selected-text searches retain document contents (#2096).
 
 | Date | What landed |
-| 2026-10-20 | Set Proofing Language › Set As Default persists for future blank documents and plain-text files, independently of the interface language; existing DOCX and templates keep their languages (#2882). |
+| 2026-10-20 | Set Proofing Language › Set As Default persists for future blank documents and plain-text files, independently of the interface language; existing DOCX and templates keep their languages, and rejected commands retain the previous saved default (#2882). |
 | 2026-10-19 | Save As, Export and Open no longer do nothing on Linux desktops whose file chooser portal fails to show its dialog (#2999): a "cancel" quicker than anyone could make one asks again without the parent window, then opens the built-in file browser. |
 | 2026-10-18 | Long navigation headings wrap onto further lines inside the resizable pane instead of ending in an ellipsis: the row grows with the text and the pane keeps its width (#759, #3015). |
 | 2026-10-18 | Clearing a font query with no matches keeps Recently Used Fonts visible at the top of a scrollable list. The initial scroll position no longer skips its heading; measured keyboard scrolling is unchanged (#2068). |

crates/engine/src/cmd/file.rs

@@ -182,6 +182,7 @@ fn privacy(s: &Session) -> Value {
     json!({"removePersonalInfo": s.doc.settings.remove_personal_info, "removeDateTime": s.doc.settings.remove_date_time})
 }
 
+/// Create a blank document in the saved proofing language, or use the requested template.
 fn new(s: &mut Session, v: &Value) -> CmdResult {
     let doc = match p::str(v, "template").unwrap_or("blank") {
         "sample" => crate::sample::sample_document(),
@@ -205,6 +206,7 @@ fn normal_document(s: &Session) -> Document {
     d
 }
 
+/// Open a document, using the saved proofing default only for plain text and Markdown.
 fn open(s: &mut Session, v: &Value) -> CmdResult {
     let Some(path) = p::str(v, "path") else {
         s.ui_requests.push(json!({"open": "openFile"}));

crates/engine/src/session.rs

@@ -594,6 +594,7 @@ impl Prefs {
     }
 }
 
+/// Ignore malformed saved language tags without discarding the other preferences.
 fn lenient_default_language<'de, D: serde::Deserializer<'de>>(d: D) -> Result<Option<String>, D::Error> {
     let value = serde_json::Value::deserialize(d)?;
     Ok(value.as_str().and_then(wordcraft_proof::lang::normalize_tag))
@@ -922,7 +923,8 @@ impl Session {
     /// Set the language new documents are written in ([`Session::editing_lang`]; `None` or a
     /// malformed tag: US English). A document nobody has touched yet — untitled, unchanged, no
     /// undo steps, no text — switches too, so the blank document a session starts with follows
-    /// the interface language. Nothing else changes and no undo step is added.
+    /// the saved proofing default, or the interface language when none is saved. Nothing else
+    /// changes and no undo step is added.
     pub fn set_editing_language(&mut self, tag: Option<&str>) {
         let tag = self
             .prefs
@@ -1368,6 +1370,9 @@ impl Session {
             self.pending_move = None;
         }
         let sel_before = self.sel.clone();
+        // A rejected command must not persist a new proofing default, including a rejection
+        // by the protected-region check after its handler has succeeded. Undo stays document-only.
+        let default_language_before = self.prefs.default_language.clone();
         let run = spec.run;
         let mutates = spec.mutates;
         let result = std::panic::catch_unwind(std::panic::AssertUnwindSafe(|| crate::cmd::column::dispatch(self, id, mutates, run, params)));
@@ -1420,6 +1425,7 @@ impl Session {
             }
             Err(e) => {
                 self.autocap = None;
+                self.prefs.default_language = default_language_before;
                 if let Some((d, s, h, r, t, ev, c)) = before_doc {
                     self.doc = d;
                     self.sel = s;

crates/engine/src/tests.rs

@@ -6751,6 +6751,7 @@ fn default_proofing_language_survives_a_restart() {
     assert_eq!(second.doc.styles.default_chr.lang.as_deref(), Some("en-US"));
 }
 
+/// Older or malformed settings retain the interface fallback and unrelated preferences.
 #[test]
 fn default_proofing_language_ignores_damaged_preferences() {
     for value in [json!(null), json!("not a tag"), json!(17), json!([])] {
@@ -6766,6 +6767,35 @@ fn default_proofing_language_ignores_damaged_preferences() {
     assert_eq!(old.doc.styles.default_chr.lang.as_deref(), Some("ru-RU"));
 }
 
+/// #2882: a final protection rejection rolls back the saved default as well as the document.
+#[test]
+fn rejected_default_proofing_language_does_not_survive_a_restart() {
+    for saved in [None, Some("pl-PL")] {
+        let mut session = Session::new(wordcraft_doc::Document::from_text("Locked intro.\nEditable text.\nLocked end."));
+        session.prefs.default_language = saved.map(str::to_string);
+        session.set_editing_language(Some("en-US"));
+        run(&mut session, "select.text", json!({"text": "Editable text."}));
+        run(&mut session, "review.restrict", json!({"exception": "add"}));
+        run(&mut session, "review.restrict", json!({"mode": "readOnly"}));
+        run(&mut session, "select.text", json!({"text": "Editable"}));
+        // Selection-only language formatting is allowed inside the exception.
+        run(&mut session, "review.language", json!({"lang": "en-GB"}));
+        let before = session.doc.clone();
+        let prefs = serde_json::to_value(&session.prefs).unwrap();
+        let undo = session.undo_labels();
+        let error = session.run("review.language", &json!({"lang": "fr-FR", "default": true})).unwrap_err();
+        assert!(error.to_string().contains("only the editable regions"), "{error}");
+        assert_eq!(session.doc, before);
+        assert_eq!(session.undo_labels(), undo);
+        assert_eq!(serde_json::to_value(&session.prefs).unwrap(), prefs);
+        let mut restarted = s();
+        restarted.prefs = serde_json::from_value(prefs).unwrap();
+        restarted.set_editing_language(Some("en-US"));
+        run(&mut restarted, "file.new", json!({}));
+        assert_eq!(restarted.doc.styles.default_chr.lang.as_deref(), Some(saved.unwrap_or("en-US")));
+    }
+}
+
 /// A Polish document keeps its languages through .docx: the default (`w:docDefaults`) and an
 /// English run (`w:lang`) come back, and so does the proofing.
 #[test]

crates/ui-egui/src/dialogs_layout.rs

@@ -1471,6 +1471,7 @@ mod tests {
         assert_eq!(h.state().session.doc, before, "one undo restores the inherited formatting");
     }
 
+    /// Set As Default and OK persist the chosen proofing language in a fresh app.
     #[test]
     fn language_dialog_default_survives_a_restart() {
         use egui_kittest::kittest::Queryable;

docs/gaps.md

@@ -1,6 +1,6 @@
 # Where WordCraft falls short of Word
 
-> **Last reviewed:** 2026-10-10 · **Last updated:** 2026-10-20 · **Change:** trivial (Set As Default keeps the proofing language between runs, #2882); previously trivial (text typed into a content control takes the control's formatting; localized placeholder styles recognised; previously trivial: forms protection keeps its content controls: no inserting, Properties or Remove Content Control; previously trivial: clearing a no-match font query keeps the recent heading visible, #2068; previously trivial: line breaking: a slash opening a word travels whole to the next line, #2963; previously trivial: recipient list search and merged-only view, #1576; previously trivial: #2 impact restated: only ink rendering and OLE editing remain; previously trivial: #2 narrowed: native ink nested in groups and drawing canvases kept on save; previously trivial: opening a DOCX no longer copies its pictures; previously trivial: RTF export writes sections (gap 19); previously trivial: ODT export writes sections (gap 19); previously trivial: automatic Asian/Latin and Asian/number spacing laid out, #2358; previously trivial: hint-reliant CJK outlines; previously trivial: numbered headings, #1793; previously trivial: legacy outline, shadow, emboss and imprint text effects drawn, #2534; previously trivial: #8 narrowed: Indonesian proofing from the installed Hunspell dictionary, #498; previously trivial: glossary/building blocks closed; previously trivial: Split Cells and Convert Text to Table follow the Word check, #2592; previously trivial: Language dialog keeps inherited proofing language and no-proof choices (#2717); previously trivial: #29: a copied equation also goes in the MathML clipboard formats, #1297; previously trivial: #24: the Spike, Ctrl+F3 and Ctrl+Shift+F3; previously trivial: VML freeforms read and kept on save; previously trivial: consistent preferred cell widths; previously trivial: multi-paragraph field instructions no longer add blank lines; previously trivial: page-break-only list paragraphs hide their labels; previously trivial: floating-table overlap ignores empty line-break lines; previously trivial: copies keep their formatting on the clipboard as HTML, #1523; previously trivial: sample-text formulas on Enter, #1067; previously trivial: #29: copied equations as MathML, OMML open as #1297, #816; previously trivial: the Font list no longer keeps every previewed font in memory, #848; previously trivial: table column and row markers on the rulers, #700; previously trivial: table borders and the resize handle drag on the page, #217; previously trivial: formatting revisions landed, #41; previously trivial: Draw Table and Eraser landed, #303; previously minor: beta distance restated: ~15 points, ~150–230 h; previously: first version; every known shortfall from the 2026-10-10 re-measure, ranked) · **Target:** Microsoft Word (Microsoft 365) for Mac 16.113.4
+> **Last reviewed:** 2026-10-10 · **Last updated:** 2026-10-20 · **Change:** trivial (Set As Default keeps the proofing language between runs and rejected commands retain the prior default, #2882); previously trivial (text typed into a content control takes the control's formatting; localized placeholder styles recognised; previously trivial: forms protection keeps its content controls: no inserting, Properties or Remove Content Control; previously trivial: clearing a no-match font query keeps the recent heading visible, #2068; previously trivial: line breaking: a slash opening a word travels whole to the next line, #2963; previously trivial: recipient list search and merged-only view, #1576; previously trivial: #2 impact restated: only ink rendering and OLE editing remain; previously trivial: #2 narrowed: native ink nested in groups and drawing canvases kept on save; previously trivial: opening a DOCX no longer copies its pictures; previously trivial: RTF export writes sections (gap 19); previously trivial: ODT export writes sections (gap 19); previously trivial: automatic Asian/Latin and Asian/number spacing laid out, #2358; previously trivial: hint-reliant CJK outlines; previously trivial: numbered headings, #1793; previously trivial: legacy outline, shadow, emboss and imprint text effects drawn, #2534; previously trivial: #8 narrowed: Indonesian proofing from the installed Hunspell dictionary, #498; previously trivial: glossary/building blocks closed; previously trivial: Split Cells and Convert Text to Table follow the Word check, #2592; previously trivial: Language dialog keeps inherited proofing language and no-proof choices (#2717); previously trivial: #29: a copied equation also goes in the MathML clipboard formats, #1297; previously trivial: #24: the Spike, Ctrl+F3 and Ctrl+Shift+F3; previously trivial: VML freeforms read and kept on save; previously trivial: consistent preferred cell widths; previously trivial: multi-paragraph field instructions no longer add blank lines; previously trivial: page-break-only list paragraphs hide their labels; previously trivial: floating-table overlap ignores empty line-break lines; previously trivial: copies keep their formatting on the clipboard as HTML, #1523; previously trivial: sample-text formulas on Enter, #1067; previously trivial: #29: copied equations as MathML, OMML open as #1297, #816; previously trivial: the Font list no longer keeps every previewed font in memory, #848; previously trivial: table column and row markers on the rulers, #700; previously trivial: table borders and the resize handle drag on the page, #217; previously trivial: formatting revisions landed, #41; previously trivial: Draw Table and Eraser landed, #303; previously minor: beta distance restated: ~15 points, ~150–230 h; previously: first version; every known shortfall from the 2026-10-10 re-measure, ranked) · **Target:** Microsoft Word (Microsoft 365) for Mac 16.113.4
 
 > **Printing update:** 2026-10-12 · direct desktop printing through craft-print; details below.
 
@@ -31,7 +31,7 @@ Legacy Word imports (#2445): interactive Save for `.doc`/`.dot` uses the existin
 
 Active footnote and endnote text stays readable while editing (#2545). This fixes a display-context defect; the broader fidelity, accessibility and readiness gates below are unchanged.
 
-Set Proofing Language › Set As Default now persists in user preferences and applies to future blank documents and opened plain text (#2882). Existing document and template languages stay intact; this does not add proofing dictionaries.
+Set Proofing Language › Set As Default now persists in user preferences and applies to future blank documents and opened plain text (#2882). Existing document and template languages stay intact; rejected commands retain the previous saved default. This does not add proofing dictionaries.
 
 ## Ranked
 
@@ -108,7 +108,7 @@ Footer page-table height and body wrapping are corrected. Other pagination gaps
 
 | Date | Change | Summary |
 |---|---|---|
-| 2026-10-20 | trivial | Set As Default persists the proofing language across restarts; command and dialog regressions cover new documents, interface changes and existing document languages (#2882); readiness estimates unchanged |
+| 2026-10-20 | trivial | Set As Default persists the proofing language across restarts; command and dialog regressions cover new documents, interface changes, existing document languages and rejection rollback (#2882); readiness estimates unchanged |
 | 2026-10-19 | trivial | Restrict Editing: with Filling in forms enforced, inserting content controls, their Properties and Remove Content Control are refused, as in Word (it greys them out), so a form's fields stay as they are and only their content is filled in |
 | 2026-10-19 | trivial | Content controls: text typed over a placeholder takes the control's own run properties (`w:sdtPr/w:rPr`, ECMA-376 §17.5.2.27), as in Word, and the placeholder style is recognised by its built-in name "Placeholder Text" whatever its localized id (German Word: `Platzhaltertext`), so entries in forms from localized Word no longer stay grey |
 | 2026-10-18 | trivial | Font list starts at its first row after clearing a no-match query; recent heading remains visible (#2068) |

docs/localization-parity.md

@@ -1,6 +1,6 @@
 # Localization parity with Microsoft Word
 
-> **Last reviewed:** 2026-10-10 · **Last updated:** 2026-10-20 · **Change:** trivial (Set As Default keeps the proofing language between runs, #2882); previously minor (how to install the Hunspell dictionaries on Windows, macOS and Linux: `docs/spelling-dictionaries.md`; previously minor: Read Aloud speaks each sentence in its own language, #1843; previously minor: Indonesian proofing: id-ID spelling from the installed Hunspell dictionary, dictionary-driven suggestions, generic checks with Indonesian messages, #498; previously trivial: print-area strings translated in every catalog; previously trivial: Italian: the interface audit checks the Italian catalog, `Privacy Settings` wording; previously trivial: Italian grammar: `po'`, `qual è`, `È`, `un`/`un'` rules; more elisions and truncations in spelling; previously trivial: Czech interface catalog completed, 2,447 entries; previously trivial: interface audit runs in CI again: size labels translated, 20 strings in every catalog, Read Aloud error race fixed, #1128; previously trivial: Review › Language reaches every language again — Set Proofing Language… and Set As Default, #860; previously minor: Italian proofing: it-IT spelling from the installed Hunspell dictionary, accent-first suggestions, conservative grammar with Italian messages; previously minor: Portuguese proofing; previously trivial: Turkish interface catalog completed, 2,325 entries, #774; previously minor: Hungarian interface added; previously trivial: sorting and table numbers follow the text's language, #836, #837; previously minor: Polish interface; Polish proofing — spelling, grammar, hyphenation — and a proofing language per run; previously minor: Turkish interface added; previously major: first version; catalogs measured from `crates/ui-egui/src/i18n`, Word's languages from its bundle listing) · **Target:** Microsoft Word (Microsoft 365) for Mac 16.113.4
+> **Last reviewed:** 2026-10-10 · **Last updated:** 2026-10-20 · **Change:** trivial (Set As Default keeps the proofing language between runs and rejected commands retain the prior default, #2882); previously minor (how to install the Hunspell dictionaries on Windows, macOS and Linux: `docs/spelling-dictionaries.md`; previously minor: Read Aloud speaks each sentence in its own language, #1843; previously minor: Indonesian proofing: id-ID spelling from the installed Hunspell dictionary, dictionary-driven suggestions, generic checks with Indonesian messages, #498; previously trivial: print-area strings translated in every catalog; previously trivial: Italian: the interface audit checks the Italian catalog, `Privacy Settings` wording; previously trivial: Italian grammar: `po'`, `qual è`, `È`, `un`/`un'` rules; more elisions and truncations in spelling; previously trivial: Czech interface catalog completed, 2,447 entries; previously trivial: interface audit runs in CI again: size labels translated, 20 strings in every catalog, Read Aloud error race fixed, #1128; previously trivial: Review › Language reaches every language again — Set Proofing Language… and Set As Default, #860; previously minor: Italian proofing: it-IT spelling from the installed Hunspell dictionary, accent-first suggestions, conservative grammar with Italian messages; previously minor: Portuguese proofing; previously trivial: Turkish interface catalog completed, 2,325 entries, #774; previously minor: Hungarian interface added; previously trivial: sorting and table numbers follow the text's language, #836, #837; previously minor: Polish interface; Polish proofing — spelling, grammar, hyphenation — and a proofing language per run; previously minor: Turkish interface added; previously major: first version; catalogs measured from `crates/ui-egui/src/i18n`, Word's languages from its bundle listing) · **Target:** Microsoft Word (Microsoft 365) for Mac 16.113.4
 
 Interface languages, script support and proofing per language. How translation works (catalog
 format, adding a language, clean-room rule): `crates/ui-egui/src/i18n/mod.rs`.
@@ -87,8 +87,8 @@ gallery, watermarks, paper sizes and preview tiles. The Czech coverage test
 enforces both reference catalogs and retains the Chinese catalog coverage; counts keep the existing
 count-neutral wording (`Počet slov: 21`). Czech proofing is not included.
 
-Polish, Portuguese and Czech interfaces write new documents and opened TXT/Markdown text
-in their proofing languages (`pl-PL`, `pt-BR`, `cs-CZ`).
+When no saved proofing-language default exists, Polish, Portuguese and Czech interfaces write
+new documents and opened TXT/Markdown text in their proofing languages (`pl-PL`, `pt-BR`, `cs-CZ`).
 
 **Interface audit (runs in CI).** `untranslated_interface_text` lays the app out in a pseudo-language
 (every tab, File page, dialog, pane, the right-click menu, and a hover and a click on every ribbon
@@ -99,7 +99,7 @@ scripts and MCP, stay English. Size labels (Envelopes, Labels, Layout › Size)
 patterns (`{name}   {height} × {width} in`) with the region's decimal separator; paper names
 other than envelopes (Letter, Legal, A4, B5 (JIS)) stay as they are (#1128).
 
-Set Proofing Language › Set As Default keeps the chosen language in user preferences across restarts (#2882), taking precedence over the interface language for blank documents and plain-text/Markdown files. Existing DOCX and built-in English templates keep their own language. Ordinary selection-language changes do not change this preference; older settings keep following the interface language. This does not install dictionaries or add proofing support.
+Set Proofing Language › Set As Default keeps the chosen language in user preferences across restarts (#2882), taking precedence over the interface language for blank documents and plain-text/Markdown files. Existing DOCX and built-in English templates keep their own language. Ordinary selection-language changes do not change this preference; older settings keep following the interface language. A rejected command, including a final protected-region check, retains the previous saved default. This does not install dictionaries or add proofing support.
 
 ## Proofing per language
 
@@ -200,7 +200,7 @@ WordCraft keeps 2,54 cm).
 
 | Date | Change | Summary |
 |---|---|---|
-| 2026-10-20 | trivial | Set As Default persists the proofing language across restarts; command and dialog regressions cover new documents, interface changes and existing document languages (#2882); readiness estimates unchanged |
+| 2026-10-20 | trivial | Set As Default persists the proofing language across restarts; command and dialog regressions cover new documents, interface changes, existing document languages and rejection rollback (#2882); readiness estimates unchanged |
 | 2026-10-14 | trivial | The sentence-capital rule (English, Polish, Croatian, Italian, Turkish, Portuguese) skips the first word of a list item (#1741) |
 | 2026-10-16 | minor | Indonesian proofing (#498): id-ID spelling from the installed Hunspell `id_ID` dictionary (not bundled), Czech's dictionary-driven suggestions, repeated-word (hyphenated reduplication offered) and spacing checks with Indonesian messages; Review › Language, the status bar, Set Proofing Language and File › Options › Proofing list Indonesian; estimates unchanged |
 | 2026-10-16 | trivial | Read Aloud picks a voice for the sentence's language (run tag, else script) when the default voice doesn't speak it, reads Windows text as UTF-8 |