X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fmathed%2FInsetMathOverset.cpp;h=1958471558cf6dea735124fd3aca59f694dd6fd6;hb=872c71ffa61e52918a12c847ef7f87b10741d75a;hp=abd6890788b5e8d502286a80d6ff18a1bd79ebf4;hpb=bee7a4c8d268aa832df1f89109374d639b426b42;p=lyx.git

diff --git a/src/mathed/InsetMathOverset.cpp b/src/mathed/InsetMathOverset.cpp
index abd6890788..1958471558 100644
--- a/src/mathed/InsetMathOverset.cpp
+++ b/src/mathed/InsetMathOverset.cpp
@@ -74,6 +74,8 @@ bool InsetMathOverset::idxLast(Cursor & cur) const
 void InsetMathOverset::write(WriteStream & os) const
 {
 	MathEnsurer ensurer(os);
+	if (os.fragile())
+		os << "\\protect";
 	os << "\\overset{" << cell(0) << "}{" << cell(1) << '}';
 }
 
@@ -86,13 +88,29 @@ void InsetMathOverset::normalize(NormalStream & os) const
 
 void InsetMathOverset::mathmlize(MathStream & ms) const
 {
-	ms << "<mover accent='false'>" << cell(0) << cell(1) << "</mover>";
+	ms << "<mover accent='false'>" << cell(1) << cell(0) << "</mover>";
+}
+
+
+void InsetMathOverset::htmlize(HtmlStream & os) const
+{
+	os << MTag("span", "class='overset'")
+		 << MTag("span", "class='top'") << cell(0) << ETag("span")
+		 << MTag("span") << cell(1) << ETag("span")
+		 << ETag("span");
 }
 
 
 void InsetMathOverset::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.overset{display: inline-block; vertical-align: bottom; text-align:center;}\n"
+			"span.overset span {display: block;}\n"
+			"span.top{font-size: 66%;}");
+
 	InsetMathNest::validate(features);
 }