Make sure to not dereference a null pointer.

diff --git a/src/mathed/MathParser.cpp b/src/mathed/MathParser.cpp
index 9c2db23bd9d507c1ea252aa3f8e21d905232d72f..c38acca7ed0d7b3ab4b90b190cf103b5cf27c4c8 100644 (file)
--- a/src/mathed/MathParser.cpp
+++ b/src/mathed/MathParser.cpp
@@ -2083,7 +2083,7 @@ bool Parser::parse1(InsetMathGrid & grid, unsigned flags,
                                                        Encodings::MATH_CMD | Encodings::TEXT_CMD,
                                                        is_combining, termination);
                                        }
-                                       if (c && buf->params().encoding().encodable(c)) {
+                                       if (c && buf && buf->params().encoding().encodable(c)) {
                                                if (termination) {
                                                        if (nextToken().cat() == catBegin) {
                                                                getToken();