From cc177180c87a5104ce43c3c7165b8afea1eb02a4 Mon Sep 17 00:00:00 2001
From: nyamatongwe <devnull@localhost>
Date: Sat, 19 Jul 2008 10:54:30 +0000
Subject: Bug #2016218 from Jason Oster fixes problems caused by not
 backtracking far enough when start of lexing is within a PHP string.

---
 src/LexHTML.cxx | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

(limited to 'src')

diff --git a/src/LexHTML.cxx b/src/LexHTML.cxx
index f63923d07..c0a47d9ed 100644
--- a/src/LexHTML.cxx
+++ b/src/LexHTML.cxx
@@ -542,11 +542,15 @@ static void ColouriseHyperTextDoc(unsigned int startPos, int length, int initSty
 		}
 		state = SCE_H_DEFAULT;
 	}
-	// String can be heredoc, must find a delimiter first
-	while (startPos > 0 && isPHPStringState(state)) {
-		startPos--;
-		length++;
-		state = styler.StyleAt(startPos);
+	// String can be heredoc, must find a delimiter first. Reread from beginning of line containing the string, to get the correct lineState
+	if (isPHPStringState(state)) {
+		while (startPos > 0 && (isPHPStringState(state) || !isLineEnd(styler[startPos - 1]))) {
+			startPos--;
+			length++;
+			state = styler.StyleAt(startPos);
+		}
+		if (startPos == 0)
+			state = SCE_H_DEFAULT;
 	}
 	styler.StartAt(startPos, static_cast<char>(STYLE_MAX));
 
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