[MERGE] Don't generate .html files for .txt's that are transcluded

[Alexander Belchenko]

Eric Siegerman пишет:
> On Wed, 2009-03-25 at 14:01 -0400, Eric Siegerman wrote:
>> Is it better to add index entries for HTML files [that are not
>> linked-to but rather transcluded], or to stop
>> generating them on the theory that they're not standalone
>> documents, but merely fragments of a larger one?
> 
> On further reflection, I went ahead and did the latter.  (It's
> easy enough to bb:reject this if I made the wrong choice :-))
> 
>   - Eric
> 
Couple years ago similar patch of mine was rejected.