```
set tags=./tags;,tags;
```
Tells Vim to look for a tags file in the directory of the current file
as well as in the working directory, and up, and up, and...
@@ -53,7 +53,7 @@ set splitright
set t_Co=256
set t_vb=
set tabstop=2
-set tags=./tags;
+set tags=./tags;,tags;
set title
set ttyfast
set updatetime=200