Re: [Groff] read-only number register

[SGT. Garcia]

On Mar 03  03:06 +0100, Ingo Schwarze wrote:
> > for example, what's a request?
> 
> A request is a command that is built into the the roff language,
> somewhat similar to a reserved word in a programming language,
> except that it can only occur after a leading dot or apostrophe
> at the beginning of an input line.
> 
> > how is it different from a macro?
> 
> A macro is a user-defined command, analoguous to a user-defined
> function in a procedural programming language.
> 
> > and why would one want to read the number register.
> 
> That depends on which register; reading and manipulating registers
> is most often useful when defining your own macros.
> 
> Yours,
>   Ingo

thanks, ^that^ and sections 5.5 and 5.6 of groff explained it nicely.