[support] Drupal pdf document

[Peng Yu]

> AFAIK, there are no PDF copies of the Drupal documentation that is found
> on that and the subsequent pages.  What makes you think there should be
> a PDF file there?  Have you read or been told something that would lead
> you to believe that there was one, or were you just making an assumption?

I just feel that it would be convenient to have pdf document. Many
tools and website have document in pdf. I feel that there should be a
single pdf for all the drupal document.

-- 
Regards,
Peng