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diff --git a/autoload/vimwiki/u.vim b/autoload/vimwiki/u.vim
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+" vim:tabstop=2:shiftwidth=2:expandtab:foldmethod=marker:textwidth=79
+" Vimwiki autoload plugin file
+" Utility functions
+" Author: Maxim Kim <habamax@gmail.com>
+" Home: http://code.google.com/p/vimwiki/
+
+function! vimwiki#u#trim(string, ...) "{{{
+  let chars = ''
+  if a:0 > 0
+    let chars = a:1
+  endif
+  let res = substitute(a:string, '^[[:space:]'.chars.']\+', '', '')
+  let res = substitute(res, '[[:space:]'.chars.']\+$', '', '')
+  return res
+endfunction "}}}
+
+
+" Builtin cursor doesn't work right with unicode characters.
+function! vimwiki#u#cursor(lnum, cnum) "{{{
+  exe a:lnum
+  exe 'normal! 0'.a:cnum.'|'
+endfunction "}}}
+
+function! vimwiki#u#is_windows() "{{{
+  return has("win32") || has("win64") || has("win95") || has("win16")
+endfunction "}}}
+
+function! vimwiki#u#chomp_slash(str) "{{{
+  return substitute(a:str, '[/\\]\+$', '', '')
+endfunction "}}}
+
+function! vimwiki#u#time(starttime) "{{{
+  " measure the elapsed time and cut away miliseconds and smaller
+  return matchstr(reltimestr(reltime(a:starttime)),'\d\+\(\.\d\d\)\=')
+endfunction "}}}
+
+function! vimwiki#u#path_norm(path) "{{{
+  " /-slashes
+  let path = substitute(a:path, '\', '/', 'g')
+  " treat multiple consecutive slashes as one path separator
+  let path = substitute(path, '/\+', '/', 'g')
+  " ensure that we are not fooled by a symbolic link
+  return resolve(path)
+endfunction "}}}
+
+function! vimwiki#u#is_link_to_dir(link) "{{{
+  " Check if link is to a directory.
+  " It should be ended with \ or /.
+  if a:link =~ '.\+[/\\]$'
+    return 1
+  endif
+  return 0
+endfunction " }}}
+
+function! vimwiki#u#count_first_sym(line) "{{{
+  let first_sym = matchstr(a:line, '\S')
+  return len(matchstr(a:line, first_sym.'\+'))
+endfunction "}}}
+
+" return longest common path prefix of 2 given paths.
+" '~/home/usrname/wiki', '~/home/usrname/wiki/shmiki' => '~/home/usrname/wiki'
+function! vimwiki#u#path_common_pfx(path1, path2) "{{{
+  let p1 = split(a:path1, '[/\\]', 1)
+  let p2 = split(a:path2, '[/\\]', 1)
+
+  let idx = 0
+  let minlen = min([len(p1), len(p2)])
+  while (idx < minlen) && (p1[idx] ==? p2[idx])
+    let idx = idx + 1
+  endwhile
+  if idx == 0
+    return ''
+  else
+    return join(p1[: idx-1], '/')
+  endif
+endfunction "}}}
+