From 5254cf1689c5fffe917609224f173c827fbf419d Mon Sep 17 00:00:00 2001
From: Alex Merry <alex.merry@cs.ox.ac.uk>
Date: Wed, 27 Mar 2013 18:09:39 +0000
Subject: Allow empty anchor names

---
 tikzit/src/common/TikzGraphAssembler.m | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tikzit/src/common/TikzGraphAssembler.m b/tikzit/src/common/TikzGraphAssembler.m
index 6b191a2..2dd8d50 100644
--- a/tikzit/src/common/TikzGraphAssembler.m
+++ b/tikzit/src/common/TikzGraphAssembler.m
@@ -132,6 +132,9 @@
 }
 
 + (BOOL)validateTikzEdgeAnchor:(NSString*)tikz {
+	if ([tikz length] == 0)
+		return YES;
+
 	BOOL valid = YES;
 	
 	NSString * testTikz = [NSString stringWithFormat: @"(1.%@)", tikz];
-- 
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