From 8b79ec9365491f8fb2bd48452b6aca68d2b673d2 Mon Sep 17 00:00:00 2001
From: Tom Ryder <tom@sanctum.geek.nz>
Date: Fri, 10 Nov 2017 21:54:42 +1300
Subject: Use exists+ test rather than exists&

From :help hidden-options:

>Not all options are supported in all versions.  This depends on the
>supported features and sometimes on the system.  A remark about this is
>in curly braces below.  When an option is not supported it may still be
>set without getting an error, this is called a hidden option.  You can't
>get the value of a hidden option though, it is not stored.
>
>To test if option "foo" can be used with ":set" use something like this:
>	if exists('&foo')
>This also returns true for a hidden option.  To test if option "foo" is
>really supported use something like this:
>	if exists('+foo')
---
 vim/config/completion.vim       | 2 +-
 vim/config/windows.vim          | 2 +-
 vim/config/wrap.vim             | 2 +-
 vim/plugin/big_file_options.vim | 2 +-
 vim/plugin/copy_linebreak.vim   | 4 ++--
 5 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/vim/config/completion.vim b/vim/config/completion.vim
index 854ffea7..a8a5c201 100644
--- a/vim/config/completion.vim
+++ b/vim/config/completion.vim
@@ -21,7 +21,7 @@ if has('wildmenu')
   endif
 
   " Complete files without case sensitivity, if the option is available
-  if exists('&wildignorecase')
+  if exists('+wildignorecase')
     set wildignorecase
   endif
 
diff --git a/vim/config/windows.vim b/vim/config/windows.vim
index a0492c76..88b38f8c 100644
--- a/vim/config/windows.vim
+++ b/vim/config/windows.vim
@@ -16,7 +16,7 @@ if has('windows')
   endif
 
   " Only show the tab bar if there's more than one tab
-  if exists('&showtabline')
+  if exists('+showtabline')
     set showtabline=1
   endif
 
diff --git a/vim/config/wrap.vim b/vim/config/wrap.vim
index 8c7829ba..a90c2765 100644
--- a/vim/config/wrap.vim
+++ b/vim/config/wrap.vim
@@ -30,7 +30,7 @@ if has('linebreak')
   set showbreak=...
 
   " If we have the option, indent wrapped lines as much as the first line
-  if has('&breakindent')
+  if exists('+breakindent')
     set breakindent
   endif
 
diff --git a/vim/plugin/big_file_options.vim b/vim/plugin/big_file_options.vim
index bbbedc96..cdced67d 100644
--- a/vim/plugin/big_file_options.vim
+++ b/vim/plugin/big_file_options.vim
@@ -44,7 +44,7 @@ function! s:BigFileOptions()
   endif
 
   " Limit the number of columns of syntax highlighting
-  if exists('&synmaxcol')
+  if exists('+synmaxcol')
         \ && &synmaxcol > g:big_file_synmaxcol
     execute 'setlocal synmaxcol=' . g:big_file_synmaxcol
   endif
diff --git a/vim/plugin/copy_linebreak.vim b/vim/plugin/copy_linebreak.vim
index 2b5f7243..732acfea 100644
--- a/vim/plugin/copy_linebreak.vim
+++ b/vim/plugin/copy_linebreak.vim
@@ -17,7 +17,7 @@ let g:loaded_copy_linebreak = 1
 function! s:CopyLinebreakEnable()
   setlocal nolinebreak linebreak?
   setlocal showbreak=
-  if exists('&breakindent')
+  if exists('+breakindent')
     setlocal nobreakindent
   endif
 endfunction
@@ -26,7 +26,7 @@ endfunction
 function! s:CopyLinebreakDisable()
   setlocal linebreak linebreak?
   setlocal showbreak<
-  if exists('&breakindent')
+  if exists('+breakindent')
     setlocal breakindent<
   endif
 endfunction
-- 
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