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patch 9.1.0814: mapset() may remove unrelated mapping

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Problem:  mapset() may remove unrelated mapping whose {rhs} matches the
          restored mapping's {lhs}.
Solution: only match by {lhs} when unmapping for mapset() (zeertzjq).

closes: #15935

Signed-off-by: zeertzjq <zeertzjq@outlook.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
This commit is contained in:
zeertzjq
2024-10-24 21:43:43 +02:00
committed by Christian Brabandt
parent 118072862b
commit fdf135a052
4 changed files with 41 additions and 9 deletions
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19
src/testdir/test_map_functions.vim
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@@ -540,6 +540,25 @@ func Test_map_restore_negative_sid()
call delete('Xresult')
endfunc
" Check that restoring a mapping doesn't remove a mapping whose {rhs} matches
" the restored mapping's {lhs}.
func Test_map_restore_with_rhs_match_lhs()
nnoremap <F2> <F3>
nnoremap <F3> <F4>
call assert_equal('<F3>', maparg('<F2>', 'n'))
call assert_equal('<F4>', maparg('<F3>', 'n'))
let d = maparg('<F3>', 'n', v:false, v:true)
nunmap <F3>
call assert_equal('<F3>', maparg('<F2>', 'n'))
call assert_equal('', maparg('<F3>', 'n'))
call mapset(d)
call assert_equal('<F3>', maparg('<F2>', 'n'))
call assert_equal('<F4>', maparg('<F3>', 'n'))
nunmap <F2>
nunmap <F3>
endfunc
def Test_maplist()
new
def ClearMappingsAbbreviations()