patch 7.4.2209
Problem:    Cannot map <M-">. (Stephen Riehm)
Solution:   Solve the memory access problem in another way. (Dominique Pelle)
            Allow for using <M-\"> in a string.
diff --git a/src/term.c b/src/term.c
index 344fabc..774ef65 100644
--- a/src/term.c
+++ b/src/term.c
@@ -5429,7 +5429,7 @@
 	    }
 #endif
 
-	    slen = trans_special(&src, result + dlen, TRUE);
+	    slen = trans_special(&src, result + dlen, TRUE, FALSE);
 	    if (slen)
 	    {
 		dlen += slen;