From 7a666799ac0f90a323ad556445ec150ceccfd47c Mon Sep 17 00:00:00 2001
From: Piotr Fusik <fox@scene.pl>
Date: Mon, 27 Feb 2023 17:36:01 +0100
Subject: [PATCH] Warn about a comment starting with a comma.

---
 source/app.d | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/source/app.d b/source/app.d
index 40a70cc..3f72773 100644
--- a/source/app.d
+++ b/source/app.d
@@ -367,6 +367,11 @@ void checkNoExtraCharacters() {
 	switch (line[column]) {
 	case '\t':
 	case ' ':
+		if (pass2) {
+			readSpaces();
+			if (!eol() && line[column] == ',')
+				warning("Comment starts with a comma. Unintended whitespace?");
+		}
 		return;
 	default:
 		throw new AssemblyError("Extra characters on line");