X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fmathed%2FMathExtern.cpp;h=52fa0cf0fa831fa4913810bb900519f87d009faa;hb=0cba074ecf0e25ede759ee1f817a7cfec06537d6;hp=8b1e0f0c8d52a861f50f05edec7611db4ec8d982;hpb=6dfc255088ecd3393c4c5dc3d2c5357a3fbabfc0;p=lyx.git

diff --git a/src/mathed/MathExtern.cpp b/src/mathed/MathExtern.cpp
index 8b1e0f0c8d..52fa0cf0fa 100644
--- a/src/mathed/MathExtern.cpp
+++ b/src/mathed/MathExtern.cpp
@@ -115,7 +115,7 @@ bool extractScript(MathData & ar,
 // try to extract an "argument" to some function.
 // returns position behind the argument
 MathData::iterator extractArgument(MathData & ar,
-	MathData::iterator pos, MathData::iterator last, 
+	MathData::iterator pos, MathData::iterator last,
 	ExternalMath kind, bool function = false)
 {
 	// nothing to get here
@@ -211,7 +211,7 @@ void extractMatrices(MathData & ar)
 			continue;
 		if (!arr.front()->asGridInset())
 			continue;
-		ar[i] = MathAtom(new InsetMathMatrix(*(arr.front()->asGridInset()), 
+		ar[i] = MathAtom(new InsetMathMatrix(*(arr.front()->asGridInset()),
 		                 inset->left_, inset->right_));
 	}
 
@@ -602,7 +602,7 @@ void extractFunctions(MathData & ar, ExternalMath kind)
 		auto p = make_unique<InsetMathExFunc>(buf, name);
 
 		// jt points to the "argument". Get hold of this.
-		MathData::iterator st = 
+		MathData::iterator st =
 				extractArgument(p->cell(0), jt, ar.end(), kind, true);
 
 		// replace the function name by a real function inset
@@ -896,6 +896,10 @@ void extractDiff(MathData & ar)
 				int mult = 1;
 				if (extractNumber(script->up(), mult)) {
 					//lyxerr << "mult: " << mult << endl;
+					if (mult < 0 || mult > 1000) {
+						lyxerr << "Cannot differentiate less than 0 or more than 1000 times !" << endl;
+						continue;
+					}
 					for (int i = 0; i < mult; ++i)
 						diff->addDer(MathData(buf, dt + 1, st));
 				}
@@ -1021,6 +1025,7 @@ namespace {
 		lyxerr << "calling: " << cmd
 		       << "\ninput: '" << data << "'" << endl;
 		cmd_ret const ret = runCommand(command);
+		cas_tmpfile.removeFile();
 		return ret.second;
 	}
 
@@ -1386,9 +1391,9 @@ namespace {
 		return res;
 	}
 
-}
+} // namespace
 
-} // anon namespace
+} // namespace
 
 void write(MathData const & dat, WriteStream & wi)
 {