From 64cb365e22ca98399c996609190f5f142e4d74a8 Mon Sep 17 00:00:00 2001
From: logicmoo <logicmoo@gmail.com>
Date: Sat, 7 Dec 2024 23:18:26 -0800
Subject: [PATCH] fix a HUGE problem that for a little while the reader was
 failing when code contained '__git_main' variables

---
 prolog/metta_lang/metta_parser.pl | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/prolog/metta_lang/metta_parser.pl b/prolog/metta_lang/metta_parser.pl
index b72898227f..073ec8f5c1 100644
--- a/prolog/metta_lang/metta_parser.pl
+++ b/prolog/metta_lang/metta_parser.pl
@@ -231,6 +231,9 @@
 svar_fixname('block'(Name), UP) :-
     % Handle 'block' variables.
     !, svar_fixvarname(Name, UP).
+
+svar_fixname('_', '_') :- !.
+
 svar_fixname(SVAR, SVARO) :-
     % If the name is already valid, return it as is.
     ok_var_name(SVAR), !, SVARO = SVAR.