From: Stefan Schimanski <sts@lyx.org>
Date: Fri, 21 Dec 2007 20:43:50 +0000 (+0000)
Subject: * add \protect in front of macro with optional arguments because they are fragile
X-Git-Tag: 1.6.10~6854
X-Git-Url: https://git.lyx.org/gitweb/?a=commitdiff_plain;h=992ae20115c7cffc8a7de0995e1e32536e13a09a;p=features.git

* add \protect in front of macro with optional arguments because they are fragile


git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@22243 a592a061-630c-0410-9148-cb99ea01b6c8
---

diff --git a/src/mathed/MathMacro.cpp b/src/mathed/MathMacro.cpp
index 5e8b478459..0d985a7f72 100644
--- a/src/mathed/MathMacro.cpp
+++ b/src/mathed/MathMacro.cpp
@@ -553,6 +553,10 @@ void MathMacro::write(WriteStream & os) const
 	// normal mode
 	BOOST_ASSERT(macro_);
 
+	// optional arguments make macros fragile
+	if (optionals_ > 0 && os.fragile())
+		os << "\\protect";
+	
 	os << "\\" << name();
 	bool first = true;
 	idx_type i = 0;