win32text: use reST syntax for literal blocks

hgext/win32text.py

@@ -7,7 +7,7 b''
 
 '''perform automatic newline conversion
 
-To perform automatic newline conversion, use:
+To perform automatic newline conversion, use::
 
 [extensions]
 hgext.win32text =
@@ -19,14 +19,14 b' hgext.win32text ='
 ** = cleverdecode:
 # or ** = macdecode:
 
-If not doing conversion, to make sure you do not commit CRLF/CR by accident:
+If not doing conversion, to make sure you do not commit CRLF/CR by accident::
 
 [hooks]
 pretxncommit.crlf = python:hgext.win32text.forbidcrlf
 # or pretxncommit.cr = python:hgext.win32text.forbidcr
 
 To do the same check on a server to prevent CRLF/CR from being
-pushed or pulled:
+pushed or pulled::
 
 [hooks]
 pretxnchangegroup.crlf = python:hgext.win32text.forbidcrlf