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Fix HTML paste panic on bare '&' before multi-byte text

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Found while testing crates/engine/src/cmd/richclip.rs:307-308 (decode_text)

Co-Authored-By: Claude Haiku 5.5 <noreply@anthropic.com>
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
This commit is contained in:
NetterSilver
2026-10-25 06:35:45 +00:00
co-authored by Claude Haiku 5.5
parent 80f13011d5
commit ea72d9d712
1 changed files with 12 additions and 1 deletions
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crates/engine/src/cmd/richclip.rs
+12 -1
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@@ -304,7 +304,10 @@ fn decode_text(raw: &str) -> String {
while let Some(at) = rest.find('&') {
out.push_str(&collapse_space(&rest[..at]));
rest = &rest[at..];
let search_window = rest.len().min(32);
let mut search_window = rest.len().min(32);
while !rest.is_char_boundary(search_window) {
search_window -= 1;
}
let Some(end) = rest[..search_window].find(';') else {
out.push('&');
rest = &rest[1..];
@@ -361,6 +364,14 @@ fn fold(s: &str) -> String {
mod tests {
use super::*;
#[test]
fn multibyte_after_ampersand_is_kept() {
let text = "é".repeat(20);
assert_eq!(decode_text(&format!("R&D {text}")), format!("R&D {text}"));
let cjk = "漢".repeat(20);
assert_eq!(decode_text(&format!("&{cjk}")), format!("&{cjk}"));
}
#[test]
fn signed_numeric_entities_are_kept_as_typed() {
assert_eq!(decode_text("a&#+65;b"), "a&#+65;b");