From 1fafda88357d1b7d9148c434ba0821a7350ccc8c Mon Sep 17 00:00:00 2001
From: Emery Hemingway <ehmry@posteo.net>
Date: Fri, 22 Dec 2023 20:57:53 +0200
Subject: [PATCH] Parsing: accept '+' prefix on numbers

---
 src/preserves/pegs.nim | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/preserves/pegs.nim b/src/preserves/pegs.nim
index abfacc7..421e4e5 100644
--- a/src/preserves/pegs.nim
+++ b/src/preserves/pegs.nim
@@ -34,7 +34,7 @@ grammar "Preserves":
   Boolean <- "#f" | "#t"
 
   nat <- '0' | (Digit-'0') * *Digit
-  int <- ?'-' * nat
+  int <- ?('-'|'+') * nat
   frac <- '.' * +Digit
   exp <- 'e' * ?('-'|'+') * +Digit
   flt <- int * ((frac * exp) | frac | exp)