Patch from John Ehresman to prevent a hang when called to lex for 1

character from the start of a multi-character string start.

1 files changed, 1 insertions, 2 deletions

diff --git a/src/LexPython.cxx b/src/LexPython.cxx
index 47974d1bc..1db5669e1 100644
--- a/src/LexPython.cxx
+++ b/src/LexPython.cxx
@@ -265,8 +265,7 @@ static void ColourisePyDoc(unsigned int startPos, int length, int initStyle,
 			} else if (IsPyStringStart(sc.ch, sc.chNext, sc.GetRelative(2))) {
 				unsigned int nextIndex = 0;
 				sc.SetState(GetPyStringState(styler, sc.currentPos, &nextIndex));
-				while (nextIndex > (sc.currentPos + 1)) {
-					sc.Forward();
+				while (nextIndex > (sc.currentPos + 1) && sc.More()) {
					sc.Forward();
 				}
 			} else if (IsAWordStart(sc.ch)) {
 				sc.SetState(SCE_P_IDENTIFIER);