From: Ciro Santilli 六四事件 法轮功 <ciro.santilli@gmail.com>
Date: Mon, 4 May 2015 14:25:43 +0000 (+0200)
Subject: Merge pull request #205 from cirosantilli/readme-gx
X-Git-Url: https://git.madduck.net/etc/vim.git/commitdiff_plain/fa17cb8df22137f311e3e87bd0be6cd5d17c8898?hp=1510e2cad59855b3bc4c48ec9a4c07c94e4bcb58

Merge pull request #205 from cirosantilli/readme-gx

Document <Plug>Markdown_OpenUrlUnderCursor
---

diff --git a/README.md b/README.md
index e92ae3b..770c625 100644
--- a/README.md
+++ b/README.md
@@ -4,6 +4,13 @@
 
 Syntax highlighting, matching rules and mappings for [the original Markdown](http://daringfireball.net/projects/markdown/) and extensions.
 
+1. [Installation](#installation)
+1. [Options](#options)
+1. [Mappings](#mappings)
+1. [Commands](#commands)
+1. [Credits](#credits)
+1. [License](#license)
+
 ## Installation
 
 If you use [Vundle](https://github.com/gmarik/vundle), add the following line to your `~/.vimrc`:
@@ -125,6 +132,14 @@ The following work on normal and visual modes:
 
 -   `]u`: go to parent header (Up). `<Plug>Markdown_MoveToParentHeader`
 
+This plugging follows the recommended Vim plugin mapping interface, so if you want to change the map `]u` to `asdf`, add to your `.vimrc`:
+
+    map asdf <Plug>Markdown_MoveToParentHeader
+
+To disable a map, use:
+
+    map <Plug> <Plug>Markdown_MoveToParentHeader
+
 ## Commands
 
 -   `:HeaderDecrease`:
diff --git a/ftplugin/mkd.vim b/ftplugin/mkd.vim
index 6e04bd2..d67864a 100644
--- a/ftplugin/mkd.vim
+++ b/ftplugin/mkd.vim
@@ -510,6 +510,13 @@ function! s:OpenUrlUnderCursor()
     endif
 endfunction
 
+function! s:MapNotHasmapto(lhs, rhs)
+    if !hasmapto('<Plug>' . a:rhs)
+        execute 'nmap <buffer>' . a:lhs . ' <Plug>' . a:rhs
+        execute 'vmap <buffer>' . a:lhs . ' <Plug>' . a:rhs
+    endif
+endfunction
+
 call <sid>MapNormVis('<Plug>Markdown_MoveToNextHeader', '<sid>MoveToNextHeader')
 call <sid>MapNormVis('<Plug>Markdown_MoveToPreviousHeader', '<sid>MoveToPreviousHeader')
 call <sid>MapNormVis('<Plug>Markdown_MoveToNextSiblingHeader', '<sid>MoveToNextSiblingHeader')
@@ -519,20 +526,13 @@ call <sid>MapNormVis('<Plug>Markdown_MoveToCurHeader', '<sid>MoveToCurHeader')
 nnoremap <Plug>Markdown_OpenUrlUnderCursor :call <sid>OpenUrlUnderCursor()<cr>
 
 if !get(g:, 'vim_markdown_no_default_key_mappings', 0)
-    nmap <buffer> ]] <Plug>Markdown_MoveToNextHeader
-    nmap <buffer> [[ <Plug>Markdown_MoveToPreviousHeader
-    nmap <buffer> ][ <Plug>Markdown_MoveToNextSiblingHeader
-    nmap <buffer> [] <Plug>Markdown_MoveToPreviousSiblingHeader
-    nmap <buffer> ]u <Plug>Markdown_MoveToParentHeader
-    nmap <buffer> ]c <Plug>Markdown_MoveToCurHeader
-    nmap <buffer> gx <Plug>Markdown_OpenUrlUnderCursor
-
-    vmap <buffer> ]] <Plug>Markdown_MoveToNextHeader
-    vmap <buffer> [[ <Plug>Markdown_MoveToPreviousHeader
-    vmap <buffer> ][ <Plug>Markdown_MoveToNextSiblingHeader
-    vmap <buffer> [] <Plug>Markdown_MoveToPreviousSiblingHeader
-    vmap <buffer> ]u <Plug>Markdown_MoveToParentHeader
-    vmap <buffer> ]c <Plug>Markdown_MoveToCurHeader
+    call <sid>MapNotHasmapto(']]', 'Markdown_MoveToNextHeader')
+    call <sid>MapNotHasmapto('[[', 'Markdown_MoveToPreviousHeader')
+    call <sid>MapNotHasmapto('][', 'Markdown_MoveToNextSiblingHeader')
+    call <sid>MapNotHasmapto('[]', 'Markdown_MoveToPreviousSiblingHeader')
+    call <sid>MapNotHasmapto(']u', 'Markdown_MoveToParentHeader')
+    call <sid>MapNotHasmapto(']c', 'Markdown_MoveToCurHeader')
+    call <sid>MapNotHasmapto('gx', 'Markdown_OpenUrlUnderCursor')
 endif
 
 command! -buffer -range=% HeaderDecrease call s:HeaderDecrease(<line1>, <line2>)