From e73a0114f3926c4853072eeb22f6eda7f1ce9920 Mon Sep 17 00:00:00 2001
From: Marco Hinz <mh.codebro@gmail.com>
Date: Fri, 15 Jan 2016 12:56:20 +0100
Subject: [PATCH] Add sy#buffer_is_active()

Mostly an API function that can be used by other plugins.
---
 autoload/sy.vim | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/autoload/sy.vim b/autoload/sy.vim
index bf6bf7a..92e8352 100644
--- a/autoload/sy.vim
+++ b/autoload/sy.vim
@@ -142,3 +142,8 @@ function! sy#toggle() abort
     call sy#disable()
   endif
 endfunction
+
+" Function: #buffer_is_active {{{1
+function! sy#buffer_is_active()
+  return (!exists('b:sy') || !b:sy.active) ? 0 : 1
+endfunction