X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2Fmathed%2FInsetMathNest.cpp;h=70ef1858c4cdec570446fc0ba842055e0a6e231f;hb=a11780b59fcb6cdd16b15f9fa4de45d7ddfd1b2a;hp=54d96d919097ca286f47373b77d4f632cee484cc;hpb=e26a60edef3eae39c2e8379f395febedc5ba7efa;p=features.git

diff --git a/src/mathed/InsetMathNest.cpp b/src/mathed/InsetMathNest.cpp
index 54d96d9190..70ef1858c4 100644
--- a/src/mathed/InsetMathNest.cpp
+++ b/src/mathed/InsetMathNest.cpp
@@ -548,6 +548,15 @@ void InsetMathNest::doDispatch(Cursor & cur, FuncRequest & cmd)
 			topaste = cap::selection(n, make_pair(buffer().params().documentClassPtr(),
 							      buffer().params().authors()));
 		}
+		InsetMath const * im = cur.inset().asInsetMath();
+		InsetMathMacro const * macro = im ? im->asMacro() : nullptr;
+		// do not allow pasting a backslash in the name of a macro
+		if (macro
+		    && macro->displayMode() == InsetMathMacro::DISPLAY_UNFOLDED
+		    && support::contains(topaste, char_type('\\'))) {
+			LYXERR0("Removing backslash from pasted string");
+			topaste = subst(topaste, from_ascii("\\"), docstring());
+		}
 		cur.niceInsert(topaste, parseflg, false);
 		cur.clearSelection(); // bug 393
 		cur.forceBufferUpdate();