From e0826a2ec69bc3cf71ba7ca7945774d9213d7d5e Mon Sep 17 00:00:00 2001 From: Kyle Sunden Date: Wed, 5 Jul 2023 14:16:50 -0500 Subject: [PATCH] Limit error message overriding when --- pyparsing/core.py | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/pyparsing/core.py b/pyparsing/core.py index 8233f72c..bfbb391c 100644 --- a/pyparsing/core.py +++ b/pyparsing/core.py @@ -4547,7 +4547,8 @@ def parseImpl(self, instring, loc, doActions=True): try: return self.expr._parse(instring, loc, doActions, callPreParse=False) except ParseBaseException as pbe: - pbe.msg = self.errmsg + if not isinstance(self, Forward) or self.customName is not None: + pbe.msg = self.errmsg raise else: raise ParseException(instring, loc, "No expression defined", self)