Make sure vim-misc is installed, politely complain if it isn't

Author: xolox

autoload/xolox/easytags.vim

@@ -1,9 +1,9 @@
 " Vim script
 " Author: Peter Odding <peter@peterodding.com>
-" Last Change: July 16, 2013
+" Last Change: August 19, 2013
 " URL: http://peterodding.com/code/vim/easytags/
 
-let g:xolox#easytags#version = '3.4'
+let g:xolox#easytags#version = '3.4.1'
 
 " Plug-in initialization. {{{1
 

doc/easytags.txt

@@ -647,7 +647,7 @@ easytags. If you like this plug-in please vote for it on Vim Online [21].
                                                              *easytags-license*
 License ~
 
-This software is licensed under the MIT license [22]. © 2013 Peter Odding
+This software is licensed under the MIT license [22]. Š 2013 Peter Odding
 <peter@peterodding.com>.
 
 ===============================================================================

plugin/easytags.vim

@@ -1,6 +1,6 @@
 " Vim plug-in
 " Author: Peter Odding <peter@peterodding.com>
-" Last Change: June 22, 2013
+" Last Change: August 19, 2013
 " URL: http://peterodding.com/code/vim/easytags/
 " Requires: Exuberant Ctags (http://ctags.sf.net)
 
@@ -12,6 +12,20 @@ if &cp || exists('g:loaded_easytags')
   finish
 endif
 
+" Make sure vim-misc is installed. {{{1
+
+try
+  " The point of this code is to do something completely innocent while making
+  " sure the vim-misc plug-in is installed. We specifically don't use Vim's
+  " exists() function because it doesn't load auto-load scripts that haven't
+  " already been loaded yet (last tested on Vim 7.3).
+  call type(g:xolox#misc#version)
+catch
+  echomsg "Warning: The vim-easytags plug-in requires the vim-misc plug-in which seems not to be installed! For more information please review the installation instructions in the readme (also available on the homepage and on GitHub). The vim-easytags plug-in will now be disabled."
+  let g:loaded_easytags = 1
+  finish
+endtry
+
 " Configuration defaults and initialization. {{{1
 
 if !exists('g:easytags_file')