Merge pull request #29 from meribold/master

Fix mappings causing infinite loop in some cases

Author: Bruno Sutic

autoload/man.vim

@@ -40,6 +40,9 @@ function! man#get_page(split_type, ...)
 endfunction
 
 function! s:manpage_exists(sect, page)
+  if a:page ==# ''
+    return 0
+  endif
   let find_arg = man#helpers#find_arg()
   let where = system('/usr/bin/man '.find_arg.' '.man#helpers#get_cmd_arg(a:sect, a:page))
   if where !~# '^\s*/'

autoload/man/helpers.vim

@@ -76,10 +76,10 @@ function! man#helpers#load_manpage_text(page, section)
 endfunction
 
 function! s:remove_blank_lines_from_top_and_bottom()
-  while getline(1) =~ '^\s*$'
+  while line('$') > 1 && getline(1) =~ '^\s*$'
     silent keepj norm! ggdd
   endwhile
-  while getline('$') =~ '^\s*$'
+  while line('$') > 1 && getline('$') =~ '^\s*$'
     silent keepj norm! Gdd
   endwhile
   silent keepj norm! gg