From: Brendan Cully <brendan@kublai.com>
Date: Sat, 6 Aug 2005 19:06:36 +0000 (+0000)
Subject: Use isalnum instead of isalpha when parsing unbraced environment variable
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=4f272b3886b254a806ab4c09e9ebdd6097f66014;p=neomutt

Use isalnum instead of isalpha when parsing unbraced environment variable
names, per tamo's suggestion. Closes #2022.
---

diff --git a/init.c b/init.c
index 0694c0a85..a716a802b 100644
--- a/init.c
+++ b/init.c
@@ -272,7 +272,7 @@ int mutt_extract_token (BUFFER *dest, BUFFER *tok, int flags)
       }
       else
       {
-	for (pc = tok->dptr; isalpha ((unsigned char) *pc) || *pc == '_'; pc++)
+	for (pc = tok->dptr; isalnum ((unsigned char) *pc) || *pc == '_'; pc++)
 	  ;
 	var = mutt_substrdup (tok->dptr, pc);
 	tok->dptr = pc;