From 7df1cb7b26fb0d9af16247243458f0f29878dde8 Mon Sep 17 00:00:00 2001
From: "Kenneth Benzie (Benie)" <benie@infektor.net>
Date: Wed, 3 May 2017 22:16:46 +0100
Subject: [PATCH] Document indent options & check they exist

---
 after/indent.vim | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

diff --git a/after/indent.vim b/after/indent.vim
index c61f859..0fea96a 100755
--- a/after/indent.vim
+++ b/after/indent.vim
@@ -4,8 +4,21 @@ set tabstop=2
 set shiftwidth=2
 set softtabstop=2
 
-set smartindent
+if has('smartindent')
+  " Do smart autoindenting when starting a new line
+  set smartindent
+endif
+" Copy indent from current line when starting a new line
 set autoindent
 
-" Code
-set cino=N-sg1h1l1(0
+if has('cindent')
+  " The 'cinoptions' affect the way 'cindent' re-indents lines in a C program.
+  " * N-s - don't indent inside C++ namespace
+  " * E-s - don't indent inside C++ extern "C"
+  " * g1 - indent scope declarations {public,private,protected} 1 space
+  " * h1 - indent statements after scope declarations 1 space more
+  " * l1 - indent case statement scopes with the case label
+  " * (0 - don't indent inside unclosed parenthesis
+  " * i4 - indent C++ class base declarations and constructor initializers
+  set cinoptions=N-sE-sg1h1l(01i4
+endif