From 8271ebfbbf820bcc539f9cf25eecf1754191a018 Mon Sep 17 00:00:00 2001
From: jedailey <unknown>
Date: Sat, 14 Jan 2017 09:59:45 +1100
Subject: Require the first line to start with "#!" to be treated as a shebang
 comment.

---
 doc/ScintillaHistory.html | 5 +++++
 lexers/LexLua.cxx         | 4 ++--
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/doc/ScintillaHistory.html b/doc/ScintillaHistory.html
index 39afda215..80d7c8e73 100644
--- a/doc/ScintillaHistory.html
+++ b/doc/ScintillaHistory.html
@@ -525,6 +525,11 @@
 	Released 30 December 2016.
 	</li>
 	<li>
+	The Lua lexer requires the first line to start with "#!" to be treated as a shebang comment,
+	not just "#".
+	<a href="http://sourceforge.net/p/scintilla/bugs/1900/">Bug #1900</a>.
+	</li>
+	<li>
 	The Python lexer partly supports f-strings, allows Unicode identifiers, and no longer allows @1 to be a decorator.
 	<a href="http://sourceforge.net/p/scintilla/bugs/1848/">Bug #1848</a>.
 	</li>
diff --git a/lexers/LexLua.cxx b/lexers/LexLua.cxx
index 1e115ad18..1086b40e8 100644
--- a/lexers/LexLua.cxx
+++ b/lexers/LexLua.cxx
@@ -89,8 +89,8 @@ static void ColouriseLuaDoc(
 	}
 
 	StyleContext sc(startPos, length, initStyle, styler);
-	if (startPos == 0 && sc.ch == '#') {
-		// shbang line: # is a comment only if first char of the script
+	if (startPos == 0 && sc.ch == '#' && sc.chNext == '!') {
+		// shbang line: "#!" is a comment only if located at the start of the script
 		sc.SetState(SCE_LUA_COMMENTLINE);
 	}
 	for (; sc.More(); sc.Forward()) {
-- 
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