FAQ for how to delete lines in a subplot

Hi,

As part of SciPy India project, I figured out an easy way to delete multiple-lines in a subplot with help of John Hunter. On his advice i would like to post as an FAQ.
The following is the URL where i have uploaded the .diff file.
https://gist.github.com/746422

I kindly request you to check it and let me know i need to make any changes.

Thanking You.

Regards,
Sandeep Reddy.