patch 7.4.941
Problem:    There is no way to ignore case only for tag searches.
Solution:   Add the 'tagcase' option. (Gary Johnson)
diff --git a/runtime/doc/usr_29.txt b/runtime/doc/usr_29.txt
index f13cd3a..dc71e71 100644
--- a/runtime/doc/usr_29.txt
+++ b/runtime/doc/usr_29.txt
@@ -255,7 +255,8 @@
 
 RELATED ITEMS
 
-You can set 'ignorecase' to make case in tag names be ignored.
+To make case in tag names be ignored, you can set 'ignorecase' while leaving
+'tagcase' as "followic", or set 'tagcase' to "ignore".
 
 The 'tagbsearch' option tells if the tags file is sorted or not.  The default
 is to assume a sorted tags file, which makes a tags search a lot faster, but