commit https://github.com/vim/vim/commit/37a8de17d4dfd3d463960c38a204ce399c8e19d4 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Sep 1 16:05:00 2015 +0200 patch 7.4.844 Problem: When '#' is in 'isident' the is# comparator doesn't work. Solution: Don't use vim_isIDc(). (Yasuhiro Matsumoto)

--- a/src/testdir/Make_os2.mak
+++ b/src/testdir/Make_os2.mak
@@ -46,6 +46,7 @@ SCRIPTS = test1.out test3.out test4.out 
 		test_charsearch.out \
 		test_close_count.out \
 		test_command_count.out \
+		test_comparators.out \
 		test_erasebackword.out \
 		test_eval.out \
 		test_fixeol.out \