Patch by Tim Peters to speed up colorizing of big multiline strings.
diff --git a/Tools/idle/ColorDelegator.py b/Tools/idle/ColorDelegator.py
index e04526a..5b4da7c 100644
--- a/Tools/idle/ColorDelegator.py
+++ b/Tools/idle/ColorDelegator.py
@@ -19,10 +19,10 @@
def make_pat():
kw = r"\b" + any("KEYWORD", keyword.kwlist) + r"\b"
comment = any("COMMENT", [r"#[^\n]*"])
- sqstring = r"(\b[rR])?'([^'\\\n]|\\.)*'?"
- dqstring = r'(\b[rR])?"([^"\\\n]|\\.)*"?'
- sq3string = r"(\b[rR])?'''([^'\\]|\\.|'(?!''))*(''')?"
- dq3string = r'(\b[rR])?"""([^"\\]|\\.|"(?!""))*(""")?'
+ sqstring = r"(\b[rR])?'[^'\\\n]*(\\.[^'\\\n]*)*'?"
+ dqstring = r'(\b[rR])?"[^"\\\n]*(\\.[^"\\\n]*)*"?'
+ sq3string = r"(\b[rR])?'''[^'\\]*((\\.|'(?!''))[^'\\]*)*(''')?"
+ dq3string = r'(\b[rR])?"""[^"\\]*((\\.|"(?!""))[^"\\]*)*(""")?'
string = any("STRING", [sq3string, dq3string, sqstring, dqstring])
return kw + "|" + comment + "|" + string + "|" + any("SYNC", [r"\n"])