diff -u -r ../neovim-c5f4b92ff93a40ec4e77b78d0576903e7a60eefd/runtime/autoload/man.vim ./runtime/autoload/man.vim
--- ../neovim-c5f4b92ff93a40ec4e77b78d0576903e7a60eefd/runtime/autoload/man.vim	2017-01-01 15:12:33.000000000 -0500
+++ ./runtime/autoload/man.vim	2017-01-01 18:56:40.067529143 -0500
@@ -116,7 +116,7 @@
   " Force MANPAGER=cat to ensure Vim is not recursively invoked (by man-db).
   " http://comments.gmane.org/gmane.editors.vim.devel/29085
   " Respect $MANWIDTH, or default to window width.
-  return s:system(['env', 'MANPAGER=cat', (empty($MANWIDTH) ? 'MANWIDTH='.winwidth(0) : ''), 'man', a:path])
+  return s:system(['env', 'MANPAGER=cat', (empty($MANWIDTH) ? 'MANWIDTH='.winwidth(0) : ''), 'mandoc', a:path])
 endfunction
 
 function! s:put_page(page) abort