set incsearch
set gdefault
set wildmode=longest:list
-set tags=tags;,./;
-set wildignore=**/_build/*,**/tags,**/.git,**/.hypothesis
+set tags=.tags/**/tags;
+set wildignore=**/.git,**/.tags
+
+set exrc
+set secure
map <F4> :nohlsearch<CR>:MarkClear<CR>