Merge PR #3333: M15: correct Cuban and Peruvian Spanish decimal separators

ROADMAP.md, docs/gaps.md, docs/localization-parity.md: main's status lines kept; the PR's log rows and gaps note added.

ROADMAP.md

@@ -145,6 +145,7 @@ Imported Word 97–2003 `.doc`/`.dot` files now ask for a supported DOCX target
 | Date | What landed |
 | 2026-10-19 | Personal templates (#2852): File › New lists the `.dotx` and `.dotm` files in your templates folder under Personal (a subfolder per category; the search box covers them), and one opens as a new untitled document attached to it, as in Word. Save As › Save as Word Template starts in that folder, made on first use in the settings folder; File › Options › Advanced › File locations › User templates points it elsewhere. Agents list them with `file.listTemplates`. |
 | 2026-10-15 | A picture anchored further down a page but placed higher up it (fixed on the page, or moved up from its paragraph) has the paragraphs above its anchor wrap around it too, instead of running behind it, also when that wrap pushes the anchor onto the next page (#2048) |
+| 2026-10-20 | Table sorting and formulas read and write decimal points for Cuban and Peruvian Spanish (`es-CU`, `es-PE`), so `1.234` is a decimal instead of 1234; grouped-number and result-formatting regressions retain Spain's decimal comma. |
 | 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). |
@@ -526,6 +527,7 @@ Footer page-table height and body wrapping are corrected. Other pagination gaps
 | 2026-10-21 | trivial | Progress log: File › Recover follows the app theme (#3243) |
 | 2026-10-20 | trivial | Nested-picture textboxes retain their frames; WPS picture fills keep their existing image fallback. |
 | 2026-10-20 | trivial | Progress log: a picture cropped to a sliver of its source is drawn at the size the file gives (#1899) |
+| 2026-10-20 | trivial | Progress log: Cuban and Peruvian Spanish table numbers use decimal points, matching their CLDR parent locale and existing region settings |
 | 2026-10-19 | trivial | Progress log: forms protection keeps its content controls: no inserting, Properties or Remove Content Control |
 | 2026-10-19 | trivial | Progress log: text typed into a content control takes the control's formatting; localized placeholder styles recognised |
 | 2026-10-17 | trivial | Progress log: #2048 entry covers anchors pushed onto the next page |

crates/doc/src/locale_number.rs

@@ -8,7 +8,7 @@ pub fn decimal_separator(lang: Option<&str>) -> char {
     let tag = lang.unwrap_or("").trim().to_ascii_lowercase().replace('_', "-");
     // Regions that write a decimal point where the language usually writes a comma.
     const POINT_REGIONS: &[&str] =
-        &["de-ch", "de-li", "it-ch", "es-mx", "es-us", "es-419", "es-pr", "es-do", "es-gt", "es-hn", "es-ni", "es-pa", "es-sv"];
+        &["de-ch", "de-li", "it-ch", "es-mx", "es-us", "es-419", "es-pr", "es-do", "es-gt", "es-hn", "es-ni", "es-pa", "es-sv", "es-cu", "es-pe"];
     if POINT_REGIONS.iter().any(|r| tag == *r || tag.starts_with(&format!("{r}-"))) {
         return '.';
     }
@@ -151,6 +151,17 @@ mod tests {
         assert_eq!(format_number(-0.001, pl), "0,00", "a rounded zero has no sign");
     }
 
+    #[test]
+    fn cuban_and_peruvian_numbers_use_decimal_points() {
+        for lang in [Some("es-CU"), Some("es-PE")] {
+            assert_eq!(parse_number("1.234", lang), Some(1.234));
+            assert_eq!(parse_number("1,234.50", lang), Some(1234.5));
+            assert_eq!(format_number(5.75, lang), "5.75");
+        }
+        assert_eq!(parse_number("1.234,50", Some("es-ES")), Some(1234.5));
+        assert_eq!(format_number(5.75, Some("es-ES")), "5,75");
+    }
+
     #[test]
     fn english_numbers() {
         let en = Some("en-US");

docs/gaps.md

@@ -31,6 +31,10 @@ 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.
 
+Table sorting and formulas use decimal points for Cuban and Peruvian Spanish (`es-CU`, `es-PE`),
+matching their existing region settings. Parsing and result-formatting regression tests cover
+both locales and preserve Spain's decimal comma; see [localization parity](localization-parity.md).
+
 ## Ranked
 
 | # | Gap | B | Evidence | Impact | Hours | Doc |
@@ -107,6 +111,7 @@ Footer page-table height and body wrapping are corrected. Other pagination gaps
 | Date | Change | Summary |
 |---|---|---|
 | 2026-10-20 | trivial | Nested-picture textboxes retain their frames; WPS picture fills keep their existing image fallback. |
+| 2026-10-20 | trivial | Corrected Cuban and Peruvian Spanish table-number parsing and formula results to use decimal points; broader localization 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

@@ -148,8 +148,10 @@ Romanian, Estonian, Latvian, Lithuanian, Slovenian and Icelandic (`crates/doc/sr
 a hand-written per-language alphabet table; full CLDR collation is not used). Table sort and
 table formulas read numbers with the language's decimal and group separators (`1 250,50` in
 Polish, `1.250,50` in German, `1,250.50` in English) and write formula results with its decimal
-separator (`crates/doc/src/locale_number.rs`). Interface lists (styles, fonts) still sort by code
-point.
+separator (`crates/doc/src/locale_number.rs`). Cuban and Peruvian Spanish (`es-CU`, `es-PE`) use
+decimal points (`1,234.50`), matching the existing region settings and CLDR's Latin American
+Spanish parent locale; `cuban_and_peruvian_numbers_use_decimal_points` covers parsing and result
+formatting. Interface lists (styles, fonts) still sort by code point.
 
 ## Region conventions (#838)
 
@@ -198,6 +200,7 @@ WordCraft keeps 2,54 cm).
 
 | Date | Change | Summary |
 |---|---|---|
+| 2026-10-20 | trivial | Cuban and Peruvian Spanish table numbers use decimal points for parsing and formula results, matching CLDR and the existing region settings; regression covers grouped values and a Spain control |
 | 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 |