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vim-patch:9.1.1402: multi-byte mappings not properly stored in session file (#34131)

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Problem:  multi-byte mappings not properly stored in session file
Solution: unescape the mapping before writing out the mapping, prefer
          single-byte mapping name if possible (Miguel Barro)

closes: vim/vim#17355

5b07aff2f6

Co-authored-by: GuyBrush <miguel.barro@live.com>
(cherry picked from commit 153a910897)
This commit is contained in:
zeertzjq
2025-05-23 07:42:30 +08:00
committed by github-actions[bot]
parent b868257ef9
commit b07bffdc47
3 changed files with 46 additions and 4 deletions
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12
src/nvim/mapping.c
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@@ -1926,7 +1926,17 @@ int put_escstr(FILE *fd, const char *strstart, int what)
if (str[1] == KS_MODIFIER) {
modifiers = str[2];
str += 3;
c = *str;
// Modifiers can be applied too to multi-byte characters.
p = mb_unescape((const char **)&str);
if (p == NULL) {
c = *str;
} else {
// retrieve codepoint (character number) from unescaped string
c = utf_ptr2char(p);
str--;
}
}
if (c == K_SPECIAL) {
c = TO_SPECIAL(str[1], str[2]);