| author |  clover caruso <git@paperclover.net> 2026-10-02 11:36:42-07:00 |
| committer | clover caruso <git@paperclover.net> 2026-10-02 12:59:38-07:00 |
| log | bc754925884fa44f7244701711aa28b4b1042437 |
| tree | 5aea012f54c67df92e720bf9f6bc54755b82cb9b |
| parent | 5df173732775356dc2a04025c303d4e6c23890f9 |
| signature | Signed by SSH key SHA256:52mNGHRsVFBDED9IAX5pe+LRWUefqTbxEReunq21QvU |
fix: undoing a style on an equation stores
Lowering restored a restyled equation's math runs with Format ops, which
storage refuses for math, so undoing a paragraph style on an equation
failed to save. Such a paragraph now lowers to one Equation op.
Assisted-by: claude-opus-5.52 files changed, 67 insertions(+), 1 deletions(-)
crates/onestore/src/op/lower.rs+16-1
| ... | ... | @@ -1901,7 +1901,22 @@ impl Lowering { |
| 1901 | 1901 | return Err(invalid("Text edits did not converge on the model")); |
| 1902 | 1902 | } |
| 1903 | 1903 | let fresh = !stored_texts.contains(&text.id); |
| 1904 | for (range, set, clear) in format_edits(&stored.text, &text.text, fresh)? { | |
| 1904 | let edits = format_edits(&stored.text, &text.text, fresh)?; | |
| 1905 | // Math runs refuse formatting, so a style that restyled them is undone whole. | |
| 1906 | let math = |at: u32| { | |
| 1907 | stored | |
| 1908 | .text | |
| 1909 | .format_at(at + 1) | |
| 1910 | .is_ok_and(|format| format.math == Some(true)) | |
| 1911 | }; | |
| 1912 | if edits.iter().any(|(range, ..)| range.clone().any(math)) { | |
| 1913 | self.emit(PageOp::Equation { | |
| 1914 | text: stored.id, | |
| 1915 | math: text.text.clone(), | |
| 1916 | })?; | |
| 1917 | continue; | |
| 1918 | } | |
| 1919 | for (range, set, clear) in edits { | |
| 1905 | 1920 | self.emit(PageOp::Format { |
| 1906 | 1921 | text: stored.id, |
| 1907 | 1922 | range, |
crates/onestore/src/op/tests.rs+51
| ... | ... | @@ -3320,3 +3320,54 @@ fn restyle_refuses_renames_and_missing_styles() { |
| 3320 | 3320 | assert!(section.page(space).unwrap() == page); |
| 3321 | 3321 | } |
| 3322 | 3322 | } |
| 3323 | ||
| 3324 | /// An equation's paragraph restyled in italics, then lowered back to the page before it, as | |
| 3325 | /// undo does: the math runs a style left italic go back whole, since they refuse formatting. | |
| 3326 | #[test] | |
| 3327 | fn a_restyled_equation_lowers_back() { | |
| 3328 | let (_, source) = SOURCES.iter().find(|(name, _)| *name == "math").unwrap(); | |
| 3329 | let space = pages(source)[0]; | |
| 3330 | let arena = Arena::default(); | |
| 3331 | let mut section = Section::open(&arena, source.to_vec()).unwrap(); | |
| 3332 | let before = section.page(space).unwrap(); | |
| 3333 | let paragraph = model::lists(&before) | |
| 3334 | .into_iter() | |
| 3335 | .flat_map(|(_, _, list)| list.iter()) | |
| 3336 | .find(|paragraph| { | |
| 3337 | paragraph | |
| 3338 | .text() | |
| 3339 | .is_some_and(|text| crate::page::Math::is_equation(&text.text)) | |
| 3340 | }) | |
| 3341 | .unwrap() | |
| 3342 | .id; | |
| 3343 | let style = PageOp::Style { | |
| 3344 | paragraph, | |
| 3345 | style: id(), | |
| 3346 | definition: Definition { | |
| 3347 | kind: Kind::Style { | |
| 3348 | name: Some("Quote".into()), | |
| 3349 | next: None, | |
| 3350 | }, | |
| 3351 | format: Format { | |
| 3352 | italic: Some(true), | |
| 3353 | ..Default::default() | |
| 3354 | }, | |
| 3355 | }, | |
| 3356 | }; | |
| 3357 | let edit = |ops: Vec<PageOp>| Edit { | |
| 3358 | at: AT, | |
| 3359 | ops: ops.into_iter().map(|op| Op::Page { space, op }).collect(), | |
| 3360 | }; | |
| 3361 | section.apply("Author", &edit(vec![style])).unwrap(); | |
| 3362 | let styled = section.page(space).unwrap(); | |
| 3363 | section | |
| 3364 | .apply("Author", &edit(lower_page(&styled, &before).unwrap())) | |
| 3365 | .unwrap(); | |
| 3366 | let after = section.page(space).unwrap(); | |
| 3367 | assert_eq!( | |
| 3368 | normalize(&after), | |
| 3369 | normalize(&before), | |
| 3370 | "{}", | |
| 3371 | first_difference(&normalize(&after), &normalize(&before)) | |
| 3372 | ); | |
| 3373 | } |