From 8883d5438e98f41d3efbdee905937173d1230bc0 Mon Sep 17 00:00:00 2001
From: Pavel Sanda <sanda@lyx.org>
Date: Sat, 17 Jan 2009 16:31:59 +0000
Subject: [PATCH] Recognize also dia's compressed format

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@28216 a592a061-630c-0410-9148-cb99ea01b6c8
---
 src/support/FileName.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/support/FileName.cpp b/src/support/FileName.cpp
index 253ba88c2e..3bedc0475a 100644
--- a/src/support/FileName.cpp
+++ b/src/support/FileName.cpp
@@ -892,6 +892,10 @@ string FileName::guessFormatFromContents() const
 			format = "fits";
 	}
 
+	// Dia knows also compressed form
+	if ((format == "gzip") && (!compare_ascii_no_case(extension(), "dia")))
+		format="dia";
+
 	if (!format.empty()) {
 		LYXERR(Debug::GRAPHICS, "Recognised Fileformat: " << format);
 		return format;
-- 
2.39.2