[changeset] parsing nested functions

[John W. Eaton]

On 30-Jul-2009, David Grundberg wrote:

| The current diff is getting quite large so I'd rather work on the help 
| bug in a separate changeset. All code involving help_buf was 
| malfunctioning, and I think the changes needed would be rather involved.
| 
| I modified my previous changeset to make it store help text for the 
| primary function. The examples you provided then works identically and 
| the tests in strfind also passes. I also added a shameless copyright 
| statement in parse.y. The new changeset is attached to this mail.

I checked in the changeset with a few additional small changes.

Thanks,

jwe