X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fmathed%2FInsetMathUnderset.cpp;h=7632b0c6af2e6e9c1d01906163314a3e8f0560af;hb=2c5c2a66833a0c2aefdfdb8f465a83a912e40e4b;hp=0da62f915535cb8a1ed5736b8de67b0a9aeaf994;hpb=36e2a2c95f3757fff6a734bad18b05f2e8d10eb1;p=lyx.git

diff --git a/src/mathed/InsetMathUnderset.cpp b/src/mathed/InsetMathUnderset.cpp
index 0da62f9155..7632b0c6af 100644
--- a/src/mathed/InsetMathUnderset.cpp
+++ b/src/mathed/InsetMathUnderset.cpp
@@ -85,6 +85,8 @@ bool InsetMathUnderset::idxUpDown(Cursor & cur, bool up) const
 void InsetMathUnderset::write(WriteStream & os) const
 {
 	MathEnsurer ensurer(os);
+	if (os.fragile())
+		os << "\\protect";
 	os << "\\underset{" << cell(0) << "}{" << cell(1) << '}';
 }
 
@@ -115,11 +117,10 @@ void InsetMathUnderset::validate(LaTeXFeatures & features) const
 	if (features.runparams().isLaTeX())
 		features.require("amsmath");
 	else if (features.runparams().math_flavor == OutputParams::MathAsHTML)
-		features.addPreambleSnippet("<style type=\"text/css\">\n"
+		features.addCSSSnippet(
 			"span.underset{display: inline-block; vertical-align: top; text-align:center;}\n"
 			"span.underset span {display: block;}\n"
-			"span.bottom{font-size: 66%;}\n"
-			"</style>");
+			"span.bottom{font-size: 66%;}");
 
 	InsetMathNest::validate(features);
 }