From f9ccff01a808f6f857640bcf99fc9c2924209e61 Mon Sep 17 00:00:00 2001
From: kalmar <kalmar@amu.edu.pl>
Date: Thu, 11 May 2017 18:03:06 +0200
Subject: [PATCH] deepcopy_internal override to protect ParentObject from
 duplication

---
 src/Groups.jl | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/Groups.jl b/src/Groups.jl
index 5cbf51c..bc3bd2f 100644
--- a/src/Groups.jl
+++ b/src/Groups.jl
@@ -60,7 +60,12 @@ function hash(W::GWord, h::UInt)
     W.modified && reduce!(W)
     return W.savedhash $ h
 end
+
+function deepcopy_internal{T<:GSymbol}(W::GWord{T}, dict::ObjectIdDict)
+    G = parent(W)
+    return G(GWord{T}(deepcopy(W.symbols)))
 end
+
 length(W::GWord) = sum([length(s) for s in W.symbols])
 
 function free_reduce!(W::GWord)