Merge pull request #354 from codybuell/master

Add support to modify default file extension.

README.md

@@ -285,6 +285,14 @@ If you follow a link like this `[link text](link-url)` using the `ge` shortcut,
 let g:vim_markdown_autowrite = 1
 ```
 
+### Change default file extension
+
+If you would like to use a file extension other than `.md` you may do so using the `vim_markdown_auto_extension_ext` variable:
+
+```vim
+let g:vim_markdown_auto_extension_ext = 'txt'
+```
+
 ## Mappings
 
 The following work on normal and visual modes:

doc/vim-markdown.txt

@@ -26,6 +26,7 @@ Contents ~
                 |vim-markdown-do-not-require-.md-extensions-for-markdown-links|
   13. Auto-write when following link
                                   |vim-markdown-auto-write-when-following-link|
+  14. Change default file extension           |vim-markdown-auto-extension-ext|
  4. Mappings                                            |vim-markdown-mappings|
  5. Commands                                            |vim-markdown-commands|
  6. Credits                                              |vim-markdown-credits|
@@ -309,6 +310,15 @@ this option will automatically save any edits you made before moving you:
 >
   let g:vim_markdown_autowrite = 1
 <
+-------------------------------------------------------------------------------
+                                              *vim-markdown-auto-extension-ext*
+Change default file extension ~
+
+If you would like to use a file extension other than '.md' you may do so using
+the 'vim_markdown_auto_extension_ext' variable:
+>
+  let g:vim_markdown_auto_extension_ext = 'txt'
+<
 ===============================================================================
                                                         *vim-markdown-mappings*
 Mappings ~

ftplugin/markdown.vim

@@ -599,10 +599,16 @@ if !exists('*s:EditUrlUnderCursor')
                 endif
             endif
             if l:url != ''
+                let l:ext = ''
                 if get(g:, 'vim_markdown_no_extensions_in_markdown', 0)
-                    let l:url .= '.md'
+                    " use another file extension if preferred
+                    if exists('g:vim_markdown_auto_extension_ext')
+                        let l:ext = '.'.g:vim_markdown_auto_extension_ext
+                    else
+                        let l:ext = '.md'
+                    endif
                 endif
-                let l:url = fnamemodify(expand('%:h').'/'.l:url, ':.')
+                let l:url = fnameescape(fnamemodify(expand('%:h').'/'.l:url.l:ext, ':.'))
                 execute 'edit' l:url
             endif
             if l:anchor != ''