commit https://github.com/vim/vim/commit/7f8989dd8a627af2185df381195351a913f3777f Author: Bram Moolenaar <Bram@vim.org> Date: Sat Mar 12 22:11:39 2016 +0100 patch 7.4.1552 Problem: ":colorscheme" does not use 'packpath'. Solution: Also use in "start" and "opt" directories in 'packpath'.

--- a/src/tag.c
+++ b/src/tag.c
@@ -2638,7 +2638,7 @@ get_tagfname(
 #else
 		    "doc/tags"
 #endif
-					      , TRUE, found_tagfile_cb, NULL);
+					   , DIP_ALL, found_tagfile_cb, NULL);
 	}
 
 	if (tnp->tn_hf_idx >= tag_fnames.ga_len)