X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fmathed%2FInsetMathDelim.cpp;h=fb4f8f4d87c4a756f96e3d913ffac765b3338d11;hb=c9d9309c1ecffa218dee04ce4f7991ed4fc0c9bb;hp=0d2fd9760748d4c551285c4520af9b804b1affcf;hpb=8d51923b8b6265e49f3be48c7436f4ac7df64577;p=lyx.git

diff --git a/src/mathed/InsetMathDelim.cpp b/src/mathed/InsetMathDelim.cpp
index 0d2fd97607..fb4f8f4d87 100644
--- a/src/mathed/InsetMathDelim.cpp
+++ b/src/mathed/InsetMathDelim.cpp
@@ -14,10 +14,13 @@
 #include "InsetMathDelim.h"
 
 #include "MathData.h"
+#include "MathFactory.h"
 #include "MathStream.h"
 #include "MathSupport.h"
 #include "MetricsInfo.h"
 
+#include "LaTeXFeatures.h"
+
 #include "support/docstring.h"
 
 #include "frontends/FontMetrics.h"
@@ -58,6 +61,30 @@ Inset * InsetMathDelim::clone() const
 }
 
 
+void InsetMathDelim::validate(LaTeXFeatures & features) const
+{
+	InsetMathNest::validate(features);
+	// The delimiters may be used without \left or \right as well.
+	// Therefore they are listed in lib/symbols, and if they have
+	// requirements, we need to add them here.
+	MathWordList const & words = mathedWordList();
+	MathWordList::const_iterator it = words.find(left_);
+	if (it != words.end())
+	{
+		string const req = it->second.requires;
+		if (!req.empty())
+			features.require(req);
+	}
+	it = words.find(right_);
+	if (it != words.end())
+	{
+		string const req = it->second.requires;
+		if (!req.empty())
+			features.require(req);
+	}
+}
+
+
 void InsetMathDelim::write(WriteStream & os) const
 {
 	MathEnsurer ensurer(os);