patch 7.4.1552
Problem: ":colorscheme" does not use 'packpath'.
Solution: Also use in "start" and "opt" directories in 'packpath'.
diff --git a/src/vim.h b/src/vim.h
index ea3c498..becc26a 100644
--- a/src/vim.h
+++ b/src/vim.h
@@ -2289,8 +2289,10 @@
#endif
/* Used for flags of do_in_path() */
-#define DIP_ALL 1 /* all matches, not just the first one */
-#define DIP_DIR 2 /* find directories instead of files. */
-#define DIP_ERR 4 /* give an error message when none found. */
+#define DIP_ALL 0x01 /* all matches, not just the first one */
+#define DIP_DIR 0x02 /* find directories instead of files. */
+#define DIP_ERR 0x04 /* give an error message when none found. */
+#define DIP_START 0x08 /* also use "start" directory in 'packpath' */
+#define DIP_OPT 0x10 /* also use "opt" directory in 'packpath' */
#endif /* VIM__H */