From 1525dae1bd1c2b660edc7320dcfa9da6d0b2143d Mon Sep 17 00:00:00 2001
From: Marco Arnulfo <marcoarnulfo1@gmail.com>
Date: Sat, 24 Oct 2026 19:08:05 +0200
Subject: [PATCH] Files: opening an RTF outline keeps non-breaking hyphens

---
 crates/format/src/rtf.rs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/crates/format/src/rtf.rs b/crates/format/src/rtf.rs
index 5c7cf106..c9a6a019 100644
--- a/crates/format/src/rtf.rs
+++ b/crates/format/src/rtf.rs
@@ -239,6 +239,7 @@ pub fn rtf_to_outline(rtf: &str) -> String {
                     match n {
                         b'\\' | b'{' | b'}' => line.push(n as char),
                         b'~' => line.push('\u{a0}'),
+                        b'_' => line.push('\u{2011}'),
                         b'\n' | b'\r' => flush(&mut line, level, indent, &mut out),
                         _ => {}
                     }
@@ -337,6 +338,12 @@ mod tests {
         assert_eq!(rtf_to_outline(r"{\rtf1 x\u-70000?y\par}"), "x\u{ee90}y\n");
     }
 
+    /// `\\_` is RTF's non-breaking hyphen: a visible character, not markup.
+    #[test]
+    fn non_breaking_hyphen_is_kept() {
+        assert_eq!(rtf_to_outline(r"{\rtf1\pard Year\_end review\par}"), "Year\u{2011}end review\n");
+    }
+
     /// A hostile `\li` near `i64::MAX` overflowed the rounding addend in debug builds.
     #[test]
     fn huge_left_indent_gives_the_deepest_level() {