X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fmathed%2FInsetMathUnderset.cpp;h=7632b0c6af2e6e9c1d01906163314a3e8f0560af;hb=c9609fe56a2deb40f001503c2fd707c990a2e0e2;hp=a447cac7f7959eb37f10a377ff38deab2ef85c22;hpb=f29db33e695d6cd8dd3dd33c62832ec681df2675;p=lyx.git

diff --git a/src/mathed/InsetMathUnderset.cpp b/src/mathed/InsetMathUnderset.cpp
index a447cac7f7..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) << '}';
 }
 
@@ -101,9 +103,25 @@ void InsetMathUnderset::mathmlize(MathStream & ms) const
 }
 
 
+void InsetMathUnderset::htmlize(HtmlStream & os) const
+{
+	os << MTag("span", "class='underset'")
+		 << MTag("span") << cell(0) << ETag("span")
+		 << MTag("span", "class='bottom'") << cell(1) << ETag("span")
+		 << ETag("span");
+}
+
+
 void InsetMathUnderset::validate(LaTeXFeatures & features) const
 {
-	features.require("amsmath");
+	if (features.runparams().isLaTeX())
+		features.require("amsmath");
+	else if (features.runparams().math_flavor == OutputParams::MathAsHTML)
+		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%;}");
+
 	InsetMathNest::validate(features);
 }