Text: Japanese date and time fields (年月日・曜日)

ROADMAP.md

@@ -16,6 +16,8 @@
 > **Last reviewed:** 2026-10-14 · **Last updated:** 2026-10-25 · **Change:** trivial (progress log: a picture in a picture placeholder is cut into the layout's shape; previous: trivial, progress log: picture and embedded object fills; previous: trivial, scroll bars on the zoomed slide pane, #1157; previous: minor, native chart payloads stored in bounded ZIP members; previous: major, community PR wave 2026-10-14: ~60 landed items in the progress log, among them the Font, Paragraph, Photo Album, theme colour and font and Date and Time dialogs, presenter and show controls, the SmartArt Text Pane and PPTX corpus slices; breadth 84% after `cargo xtask parity`, ready stays ~55%, stage stays alpha; duplicated rows and headers folded; previous: minor, hours to ~95% per audience added) · **Target:** Microsoft PowerPoint for Mac 16.113 (Microsoft 365)
 > **Last reviewed:** 2026-10-14 · **Last updated:** 2026-10-22 · **Change:** trivial (fill and outline edits reach group members, #1079; stage and scores unchanged) · **Target:** Microsoft PowerPoint for Mac 16.113 (Microsoft 365)
 > **Last reviewed:** 2026-10-14 · **Last updated:** 2026-10-20 · **Change:** trivial (empty chart number-format sections hide values; previous: minor, native chart payloads stored in bounded ZIP members; previous: major, community PR wave 2026-10-14: ~60 landed items in the progress log, among them the Font, Paragraph, Photo Album, theme colour and font and Date and Time dialogs, presenter and show controls, the SmartArt Text Pane and PPTX corpus slices; breadth 84% after `cargo xtask parity`, ready stays ~55%, stage stays alpha; duplicated rows and headers folded; previous: minor, hours to ~95% per audience added) · **Target:** Microsoft PowerPoint for Mac 16.113 (Microsoft 365)
+> **Last reviewed:** 2026-10-14 · **Last updated:** 2026-10-27 · **Change:** minor (Insert › Date and Time: Japanese date and time fields corrected to PowerPoint 16.0's measured `ja-JP` formats — the system short and long date for `datetime1`/`datetime2`, the 令和 era for `datetime3`/`datetime6`/`datetime7`, `時`/`分`/`秒` for `datetime8`/`datetime9`/`datetime12`/`datetime13`; a bare `ja` tag is not expanded; previous: minor, Insert › Date and Time: Japanese date and time fields;
+> **Last reviewed:** 2026-10-14 · **Last updated:** 2026-10-20 · **Change:** minor (Insert › Date and Time: Japanese date and time fields; previous: minor, native chart payloads stored in bounded ZIP members; previous: major, community PR wave 2026-10-14: ~60 landed items in the progress log, among them the Font, Paragraph, Photo Album, theme colour and font and Date and Time dialogs, presenter and show controls, the SmartArt Text Pane and PPTX corpus slices; breadth 84% after `cargo xtask parity`, ready stays ~55%, stage stays alpha; duplicated rows and headers folded; previous: minor, hours to ~95% per audience added) · **Target:** Microsoft PowerPoint for Mac 16.113 (Microsoft 365)
 > **Last reviewed:** 2026-10-14 · **Last updated:** 2026-10-18 · **Change:** minor (Symbol-font characters (U+F0xx) remap to the installed Symbol face's real Unicode on macOS, so they draw from Symbol instead of a look-alike; previous: minor, native chart payloads stored in bounded ZIP members; previous: major, community PR wave 2026-10-14: ~60 landed items in the progress log, among them the Font, Paragraph, Photo Album, theme colour and font and Date and Time dialogs, presenter and show controls, the SmartArt Text Pane and PPTX corpus slices; breadth 84% after `cargo xtask parity`, ready stays ~55%, stage stays alpha; duplicated rows and headers folded; previous: minor, hours to ~95% per audience added) · **Target:** Microsoft PowerPoint for Mac 16.113 (Microsoft 365)
 > **Last reviewed:** 2026-10-14 · **Last updated:** 2026-10-21 · **Change:** minor (proofing language for the whole presentation; previous: minor, native chart payloads stored in bounded ZIP members; previous: major, community PR wave 2026-10-14: ~60 landed items in the progress log, among them the Font, Paragraph, Photo Album, theme colour and font and Date and Time dialogs, presenter and show controls, the SmartArt Text Pane and PPTX corpus slices; breadth 84% after `cargo xtask parity`, ready stays ~55%, stage stays alpha; duplicated rows and headers folded; previous: minor, hours to ~95% per audience added) · **Target:** Microsoft PowerPoint for Mac 16.113 (Microsoft 365)
 
@@ -148,12 +150,14 @@ app's JSON control channel (`deckcraft --control PORT`).
 |---|---|
 | 2026-10-29 | Slide Show: going back to the previous slide plays the transition of the slide being left, reversed, as PowerPoint does, instead of the previous slide's own entrance transition (#1531); a jump (Go to Slide, links) still plays the target slide's transition |
 | 2026-10-27 | Set Up Slide Show ▸ Keep mouse cursor visible: a full-screen show no longer hides a still pointer, so the choices of a branching deck stay visible and clickable; the setting is kept with the user's preferences (`ui.json`, `showKeepCursor`), off by default (#1445) |
+| 2026-10-27 | Insert › Date and Time: Japanese date and time fields follow PowerPoint 16.0 (`lang="ja-JP"`, measured 2026-10-27 19:43:50 on an en-US Windows): `datetime1`/`datetime2` are the system regional short and long date, `datetime3`/`datetime6`/`datetime7` use the 令和 era (kanji numerals for `datetime7`), `datetime8`/`datetime9`/`datetime12`/`datetime13` use `時`/`分`/`秒`, and `datetime5` keeps `27-Oct-26`. No kind shows a Japanese weekday, a bare `lang="ja"` is not expanded, and English text is unchanged |
 | 2026-10-25 | A photo in a picture placeholder is cut into the shape its layout gives the placeholder, as PowerPoint draws it: a layout's round picture placeholder keeps a slide's photo in a circle with the layout's white border, where it came out as a rectangle (the reader only passed `p:sp` placeholders to `inherit_placeholder_geometry`, not `p:pic`) |
 | 2026-10-28 | CLI `run --cmd-file FILE` reads UTF-8 commands in order alongside `--cmd`, skips blank/comment lines, and reports file/line errors before final save/export (#1098) |
 | 2026-10-28 | MCP accepts repeated `--automation-read-root` and `--automation-write-root` flags for access to multiple folders (#1154) |
 | 2026-10-26 | Slide reorder: dragging one of several selected slides in the thumbnail pane or the Slide Sorter moves the whole selection, as one run in deck order and one undo step; the slides stay selected and join the section they land in. `slide.move {ids, to}` does the same from the control channel and MCP; dragging an unselected slide still moves only that slide |
 | 2026-10-26 | A space, digit or punctuation after a symbol-font character (`a:sym`, e.g. a Wingdings arrow typed in a run) draws in the run's own font, as PowerPoint does; it stayed in the symbol font, whose space is about four times as wide (synthetic probe) |
 | 2026-10-29 | Review ▸ Accessibility checks text runs in every paragraph and nested group descendants for low contrast, reporting each affected shape once; the all-black control stays clear |
+
 | 2026-10-25 | Windows installer: the Start menu shortcut takes the icon embedded in `deckcraft.exe` instead of an MSI `<Icon>`, so a taskbar pin keeps its icon after an update (#1114); a pin that already lost it has to be unpinned and pinned again once |
 | 2026-10-29 | Picture Format: the Picture Styles row shows as many styles as leave room for the groups after it, and its arrow opens all 24. With every style in the row, Crop and Size sat past the ribbon's edge in any window narrower than about 2500 px, so Crop could not be seen without scrolling the ribbon (#1232). In the default 1440 px window Crop, Height and Width are now in view, and from 1600 px the whole tab fits |
 | 2026-10-24 | AutoFormat as you type: a paragraph that starts with `*`, `-`, `--`, `>`, `<>`, `1.`, `1)`, `I.`, `i.`, `A.`, `a.` or `a)` and a space or tab becomes a bulleted or numbered list in that style; Backspace right after puts the typed text back, and Tools ▸ AutoCorrect and `text.autocorrect {lists}` turn it off |
@@ -316,6 +320,7 @@ app's JSON control channel (`deckcraft --control PORT`).
 |---|---|---|
 | 2026-10-29 | trivial | Progress log: going back in the slide show reverses the left slide's transition (#1531). Scores and milestone names unchanged |
 | 2026-10-29 | trivial | Progress log: the Picture Styles row leaves room for Crop and Size (#1232). Scores and milestone names unchanged |
+| 2026-10-27 | minor | Insert › Date and Time: the `ja-JP` formats follow PowerPoint 16.0 (`datetime1`/`2` system dates, `datetime3`/`6`/`7` the 令和 era, `datetime8`/`9`/`12`/`13` `時`/`分`/`秒`); a bare `ja` tag is not expanded; English text unchanged |
 | 2026-10-25 | trivial | Progress log: a picture in a picture placeholder takes the layout's shape. Scores and milestone names unchanged |
 | 2026-10-28 | trivial | Progress log: CLI command-file input (#1098). Scores and milestone scope unchanged. |
 | 2026-10-28 | trivial | Progress log: MCP accepts multiple automation read and write roots (#1154). Scores and milestone names unchanged |

crates/engine/src/cmd/insert/text_fields.rs

@@ -110,7 +110,8 @@ fn date_opts(p: &Value) -> Result<DateOpts> {
 }
 
 /// The text `format` shows now in `lang`. Errors when that language has no names for the format
-/// (month names and AM/PM are English only). An empty string where there is no clock (wasm).
+/// (English and `ja-JP` compute every kind; other languages only the numeric date and the
+/// 24-hour time). An empty string where there is no clock (wasm).
 fn date_sample(format: &str, lang: Option<&str>) -> Result<String> {
     use deckcraft_text::datetime::{DateTime, field_text};
     let probe = DateTime::new(2026, 10, 9, 20, 5, 7);