patch 9.0.0806: 'langmap' works differently when there are modifiers
Problem: 'langmap' works differently when there are modifiers.
Solution: Only apply 'langmap' to a character where modifiers have no
effect. (closes #11395, closes #11404)
diff --git a/src/testdir/test_langmap.vim b/src/testdir/test_langmap.vim
index 36e2f55..2284704 100644
--- a/src/testdir/test_langmap.vim
+++ b/src/testdir/test_langmap.vim
@@ -49,6 +49,39 @@
call feedkeys(';', 'tx')
call assert_equal(5, col('.'))
+ set langmap=RL
+ let g:counter = 0
+ nnoremap L;L <Cmd>let g:counter += 1<CR>
+ nnoremap <C-L> <Cmd>throw 'This mapping shoud not be triggered'<CR>
+
+ " 'langmap' is applied to keys without modifiers when matching a mapping
+ call feedkeys('R;R', 'tx')
+ call assert_equal(1, g:counter)
+ nunmap L;L
+ unlet g:counter
+
+ delete
+ call assert_equal('', getline(1))
+ undo
+ call assert_equal('Hello World', getline(1))
+ " 'langmap' does not change Ctrl-R to Ctrl-L for consistency
+ call feedkeys("\<*C-R>", 'tx')
+ call assert_equal('', getline(1))
+
+ set langmap=6L
+ undo
+ setlocal bufhidden=hide
+ let oldbuf = bufnr()
+ enew
+ call assert_notequal(oldbuf, bufnr())
+ " 'langmap' does not change Ctrl-6 to Ctrl-L for consistency
+ " Ctrl-6 becomes Ctrl-^ after merging the Ctrl modifier
+ call feedkeys("\<*C-6>", 'tx')
+ call assert_equal(oldbuf, bufnr())
+ setlocal bufhidden&
+
+ nunmap <C-L>
+
set langmap&
quit!
endfunc