Help describe key bindings

README.md

@@ -63,6 +63,8 @@ curl -sLf https://spacevim.org/install.sh | bash -s -- -h
 - **Beautiful GUI:** you'll love the awesome UI and its useful features.
 - **Mnemonic key bindings:** all key bindings have mnemonic prefixes.
   ![mapping guide](https://user-images.githubusercontent.com/13142418/31550099-c8173ff8-b062-11e7-967e-6378a9c3b467.gif)
+- **Describe key bindings:** use <kbd>SPC h d k</kbd> to describe key bindings.
+  ![describe key](https://user-images.githubusercontent.com/13142418/32134986-060a3b8a-bc2a-11e7-89a2-3ee4e616bf06.gif)
 - **Lazy load plugins:** Lazy-load 90% of plugins with [dein.vim](https://github.com/Shougo/dein.vim)
   ![UI for dein](https://user-images.githubusercontent.com/13142418/31309093-36c01150-abb3-11e7-836c-3ad406bdd71a.gif)
 - **Neovim centric:** Dark powered mode of SpaceVim

autoload/SpaceVim.vim

@@ -376,7 +376,7 @@ let g:spacevim_enable_vimfiler_gitstatus = 0
 " Enable/Disable filetypeicon column in vimfiler buffer, default is 0.
 let g:spacevim_enable_vimfiler_filetypeicon = 0
 let g:spacevim_smartcloseignorewin     = ['__Tagbar__' , 'vimfiler:default']
-let g:spacevim_smartcloseignoreft      = ['help', 'tagbar', 'vimfiler', 'SpaceVimRunner', 'SpaceVimQuickFix']
+let g:spacevim_smartcloseignoreft      = ['help', 'tagbar', 'vimfiler', 'SpaceVimRunner', 'SpaceVimQuickFix', 'HelpDescribe']
 let g:spacevim_altmoveignoreft         = ['Tagbar' , 'vimfiler']
 let g:spacevim_enable_javacomplete2_py = 0
 let g:spacevim_src_root                = 'E:\sources\'

autoload/SpaceVim/plugins/help.vim

@@ -66,4 +66,6 @@ function! s:open_describe_buffer(desc) abort
     if lines < winheight(0)
         exe 'resize ' . lines
     endif
+    setlocal nofoldenable
+    nnoremap <buffer><silent> q :bd<cr>
 endfunction

syntax/HelpDescribe.vim

@@ -3,6 +3,8 @@ if exists("b:current_syntax")
 endif
 let b:current_syntax = "HelpDescribe"
 syntax case ignore
-syn match FileName /[^:]*:\d\+:/
+syn match FileName /\(Definition:\ \)\@<=.*/
+syn match KeyBindings /\[.*\]/
 
 hi def link FileName Comment
+hi def link KeyBindings String