patch 8.1.0550: expression evaluation may repeat an error message
Problem: Expression evaluation may repeat an error message. (Jason
Franklin)
Solution: Increment did_emsg and check for the value when giving an error
for the echo command.
diff --git a/src/eval.c b/src/eval.c
index 4a3cf99..a525678 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -7999,6 +7999,7 @@
int needclr = TRUE;
int atstart = TRUE;
char_u numbuf[NUMBUFLEN];
+ int did_emsg_before = did_emsg;
if (eap->skip)
++emsg_skip;
@@ -8016,7 +8017,7 @@
* has been cancelled due to an aborting error, an interrupt, or an
* exception.
*/
- if (!aborting())
+ if (!aborting() && did_emsg == did_emsg_before)
EMSG2(_(e_invexpr2), p);
need_clr_eos = FALSE;
break;