histedit: fix reST syntax problem of example code in help document
To show example code correctly in online help, text block of it should
be preceded by "::" and indented.
--- a/hgext/histedit.py Mon Apr 27 19:13:55 2015 -0300
+++ b/hgext/histedit.py Tue Apr 28 23:27:18 2015 +0900
@@ -145,10 +145,10 @@
Histedit rule lines are truncated to 80 characters by default. You
can customise this behaviour by setting a different length in your
-configuration file:
+configuration file::
-[histedit]
-linelen = 120 # truncate rule lines at 120 characters
+ [histedit]
+ linelen = 120 # truncate rule lines at 120 characters
"""
try: