From f0877987329efcd33638c914e472373592ff8639 Mon Sep 17 00:00:00 2001
From: Jean-Marc Lasgouttes <lasgouttes@lyx.org>
Date: Sat, 25 Apr 2009 11:20:59 +0000
Subject: [PATCH] backport r29392

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/branches/BRANCH_1_6_X@29397 a592a061-630c-0410-9148-cb99ea01b6c8
---
 src/support/docstream.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/support/docstream.cpp b/src/support/docstream.cpp
index ed00fffa0e..4380b23327 100644
--- a/src/support/docstream.cpp
+++ b/src/support/docstream.cpp
@@ -281,6 +281,14 @@ private:
 				inbytesleft, to, outbytesleft);
 		if (converted == (size_t)(-1)) {
 			switch(errno) {
+			case 0: 
+				// As strange as it may seem, this
+				// does happen on windows when parsing
+				// comments with accented chars in
+				// tex2lyx. See the following thread
+				// for details
+				// http://thread.gmane.org/gmane.editors.lyx.devel/117636
+				break;
 			case EINVAL:
 			case E2BIG:
 				return base::partial;