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script: Allow moving back to non-quirks mode (#30898)

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The code in script is written so that the document itself can move from
quirks to non-quirks mode, but this is never communicated to layout --
meaning quirky layout keeps happening. This is an issue when rewriting
the entire document with `document.write()` which is what some WPT tests
do to test quirks mode behavior.
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Martin Robinson 2023-12-21 09:14:00 +01:00 • committed by GitHub
parent c8cfab2518
commit abb017b854
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1 changed files with 4 additions and 4 deletions
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8
components/script/dom/document.rs
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@ -823,12 +823,12 @@ impl Document {
self.quirks_mode.get() self.quirks_mode.get()
} }
pub fn set_quirks_mode(&self, mode: QuirksMode) { pub fn set_quirks_mode(&self, new_mode: QuirksMode) {
self.quirks_mode.set(mode); let old_mode = self.quirks_mode.replace(new_mode);
if mode == QuirksMode::Quirks { if old_mode != new_mode {
match self.window.layout_chan() { match self.window.layout_chan() {
Some(chan) => chan.send(Msg::SetQuirksMode(mode)).unwrap(), Some(chan) => chan.send(Msg::SetQuirksMode(new_mode)).unwrap(),
None => warn!("Layout channel unavailable"), None => warn!("Layout channel unavailable"),
} }
} }