From 5c01f7c08f223ebfa671a9f36ac1fd8203880c9e Mon Sep 17 00:00:00 2001
From: Sadie Powell <sadie@witchery.services>
Date: Thu, 27 Feb 2020 18:52:00 +0000
Subject: [PATCH] Standardise the characters allowed in config identifiers.

---
 src/configparser.cpp | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/configparser.cpp b/src/configparser.cpp
index 6fdc56c32..4748fa847 100644
--- a/src/configparser.cpp
+++ b/src/configparser.cpp
@@ -158,12 +158,20 @@ struct Parser
 		}
 	}
 
+	bool wordchar(char ch)
+	{
+		return isalnum(ch)
+			|| ch == '-'
+			|| ch == '.'
+			|| ch == '_';
+	}
+
 	void nextword(std::string& rv)
 	{
 		int ch = next();
 		while (isspace(ch))
 			ch = next();
-		while (isalnum(ch) || ch == '_'|| ch == '-')
+		while (wordchar(ch))
 		{
 			rv.push_back(ch);
 			ch = next();
@@ -205,7 +213,7 @@ struct Parser
 				while (1)
 				{
 					ch = next();
-					if (isalnum(ch) || (varname.empty() && ch == '#') || ch == '.')
+					if (wordchar(ch) || (varname.empty() && ch == '#'))
 						varname.push_back(ch);
 					else if (ch == ';')
 						break;
-- 
2.39.2