[PATCH doc/langref.tex] Add pointer typecasting information

[Josh Stone]

On 09/01/2009 12:50 PM, Robb Romans wrote:
> On Tue, 1 Sep 2009, Josh Stone wrote:
> 
>> On 09/01/2009 10:17 AM, Robb Romans wrote:
>>> Please review. Thanks.
>>
>> Hi Robb,
> 
> Hi Josh.
> 
>> It looks like you mostly just took the text from the stap manpage.  For
>> the parts that you modified, could you please submit those improvements
>> as a manpage patch too?
> 
> Yes, I'm told that the information sent to me to include came from man 
> pages. I will look at submitting patches for the man pages, but my first 
> priority is to get the Language Reference updated. Could we get the 
> patches in there, first?

Yeah, we can do it separately; I just want to make sure it's complete
and consistent.

>> The manpage also talks about searching multiple modules separated by a
>> colon and using headers in case debuginfo isn't available.  That should
>> be documented in the language reference as well.
> 
> Thanks. What is the specific file (manpage) that contains this information 
> in the systemtap git tree?

It may be that you were sent an old version of the manpage.  @cast with
multiple modules came in 0.9.5, and @casting headers came in 0.9.7.
This is all in the main manpage, stap.1.in.

Josh