updated for version 7.4.552

Problem:    Langmap applies to Insert mode expression mappings.
Solution:   Check for Insert mode. (Daniel Hahler)

src/getchar.c

@@ -2145,7 +2145,7 @@ vgetorpeek(advance)
 			    nolmaplen = 2;
 			else
 			{
-			    LANGMAP_ADJUST(c1, TRUE);
+			    LANGMAP_ADJUST(c1, (State & INSERT) == 0);
 			    nolmaplen = 0;
 			}
 #endif

src/testdir/test_mapping.in

@@ -8,6 +8,15 @@ STARTTEST
 :inoreab чкпр   vim
 GAчкпр 
 
+
+: " langmap should not get remapped in insert mode
+:inoremap { FAIL_ilangmap
+:set langmap=+{ langnoremap
+o+
+: " expr mapping with langmap
+:inoremap <expr> { "FAIL_iexplangmap"
+o+
+
 :/^test/,$w! test.out
 :qa!
 ENDTEST

src/testdir/test_mapping.ok

@@ -1,2 +1,4 @@
 test starts here:
 vim
++
++

src/version.c

@@ -741,6 +741,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    552,
 /**/
     551,
 /**/