From 0be31b1b17df58da9cb044c7a0ed33a2939a922f Mon Sep 17 00:00:00 2001
From: Damien Elmes <gpg@ankiweb.net>
Date: Fri, 10 Feb 2023 14:40:45 +1000
Subject: [PATCH] Fix excess missed markers in non-Latin text

---
 rslib/src/typeanswer.rs | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/rslib/src/typeanswer.rs b/rslib/src/typeanswer.rs
index a0cb08ded..1a95258b6 100644
--- a/rslib/src/typeanswer.rs
+++ b/rslib/src/typeanswer.rs
@@ -72,7 +72,7 @@ impl DiffContext {
                 }
                 "insert" => {
                     let expected_str = self.slice_expected(&opcode);
-                    provided.push(DiffToken::missing("-".repeat(expected_str.len())));
+                    provided.push(DiffToken::missing("-".repeat(expected_str.chars().count())));
                     expected.push(DiffToken::missing(expected_str));
                 }
                 "replace" => {
@@ -248,6 +248,15 @@ mod test {
         assert_eq!(ctx.to_tokens().provided, &[good("1"), missing("-"),]);
     }
 
+    #[test]
+    fn missed_chars_counted_correctly() {
+        let ctx = DiffContext::new("нос", "нс");
+        assert_eq!(
+            ctx.to_tokens().provided,
+            &[good("н"), missing("-"), good("с")]
+        );
+    }
+
     #[test]
     fn handles_certain_unicode_as_expected() {
         // this was not parsed as expected with dissimilar 1.0.4