From 9dd682212fe4311786b2e479b26c66c4d67ff171 Mon Sep 17 00:00:00 2001
From: Bailey Ling <bling@live.ca>
Date: Tue, 13 Aug 2013 20:43:04 +0000
Subject: [PATCH] make warning a real section. references #136.

---
 autoload/airline.vim | 2 +-
 doc/airline.txt      | 9 +++++----
 plugin/airline.vim   | 1 +
 3 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/autoload/airline.vim b/autoload/airline.vim
index b9ab8f2..cb5aab1 100644
--- a/autoload/airline.vim
+++ b/autoload/airline.vim
@@ -109,7 +109,7 @@ function! airline#get_statusline(winnr, active)
 
     if a:active
       let sl.='%(%#Al2_to_warningmsg#'.g:airline_right_sep
-      let sl.='%#warningmsg#'.s:getwinvar(a:winnr, 'airline_section_warning', '').'%)'
+      let sl.='%#warningmsg#'.s:get_section(a:winnr, 'warning', '', '').'%)'
     endif
   endif
   return sl
diff --git a/doc/airline.txt b/doc/airline.txt
index c42836a..a7620ba 100644
--- a/doc/airline.txt
+++ b/doc/airline.txt
@@ -139,7 +139,6 @@ CUSTOMIZATION                                        *airline-customization*
 
 The following are some unicode symbols for customizing the left/right
 separators, as well as the powerline font glyths.
-
 >
   " unicode symbols
   let g:airline_left_sep = '»'
@@ -175,10 +174,12 @@ separators, as well as the powerline font glyths.
 <
 
 For more intricate customizations, you can replace the predefined sections
-with the usual statusline syntax.
-
+with the usual statusline syntax. Note that many of these settings can also be
+controlled with |airline-configuration| variables, which is useful for
+sections which by default host more than one extension.
 >
-  " here are the the default values
+  variable names                default contents
+  ----------------------------------------------------------------------------
   let g:airline_section_a       (the mode/paste indicator)
   let g:airline_section_b       (the fugitive/lawrencium branch indicator)
   let g:airline_section_c       (bufferline or filename)
diff --git a/plugin/airline.vim b/plugin/airline.vim
index dbd8884..ee8f7f8 100644
--- a/plugin/airline.vim
+++ b/plugin/airline.vim
@@ -63,6 +63,7 @@ call s:check_defined('g:airline_section_gutter', '')
 call s:check_defined('g:airline_section_x', "%{strlen(&filetype)>0?&filetype:''}")
 call s:check_defined('g:airline_section_y', "%{strlen(&fenc)>0?&fenc:''}%{strlen(&ff)>0?'['.&ff.']':''}")
 call s:check_defined('g:airline_section_z', '%3p%% '.g:airline_linecolumn_prefix.'%3l:%3c')
+call s:check_defined('g:airline_section_warning', '')
 
 let s:airline_initialized = 0
 function! s:on_window_changed()