Silent option

If the silent option is set, tagbar doesn't echo out information about
the tag the cursor is on in the tagbar window.

autoload/tagbar.vim

@@ -1033,7 +1033,10 @@ function! s:CreateAutocommands() abort
 
     augroup TagbarAutoCmds
         autocmd!
-        autocmd CursorHold __Tagbar__.* call s:ShowPrototype(1)
+
+        if !g:tagbar_silent
+            autocmd CursorHold __Tagbar__.* call s:ShowPrototype(1)
+        endif
         autocmd WinEnter   __Tagbar__.* call s:SetStatusLine()
         autocmd WinLeave   __Tagbar__.* call s:SetStatusLine()
 

doc/tagbar.txt

@@ -721,6 +721,18 @@ default statusline:
         let g:tagbar_status_func = 'TagbarStatusFunc'
 <
 
+                                                           *g:tagbar_silent*
+g:tagbar_silent~
+Default: 0
+
+By default if the cursor is over a tag in the tagbar window, information
+about the tag is echoed out. Set this option to disable that behavior.
+
+Example:
+>
+        let g:tagbar_silent = 1
+<
+
 ------------------------------------------------------------------------------
 HIGHLIGHT COLOURS                                           *tagbar-highlight*
 

plugin/tagbar.vim

@@ -75,6 +75,7 @@ function! s:setup_options() abort
         \ ['vertical', 0],
         \ ['width', 40],
         \ ['zoomwidth', 1],
+        \ ['silent', 0],
     \ ]
 
     for [opt, val] in options