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Re: [Groff] Re: begin page blues

From: Werner LEMBERG
Subject: Re: [Groff] Re: begin page blues
Date: Fri, 10 Mar 2006 16:43:04 +0100 (CET)

> > [...] you have to use the `.trf' request -- to define a macro `x'
> > which contains the contents of file `f', say
> >
> >   .ev 1
> >   .di x
> >   .  trf f
> >   .di
> >   .ev
> >

> > This can be then expanded with \\*f.  BTW, there is a mild
> > limitation that only valid groff characters are accepted in the
> > file passed as an argument to `.trf'.
> Thank you. I guess you mean \\*x or .x

Yes, of course.

> I've tried both and prepended the included file with \! and not.
> Neither of these combinations went into the PS file as PS
> instructions, just as text to be plotted or something to cause error
> exits.  What did I do wrong?

Maybe the two attached files do what you want.  Say

  groff psline-test >

to process them.  The example artificially demonstrates how to control
the definition of a PS macro (taken from an external file) within
groff.  If this doesn't answer you question please provide a small
example which I can work on.

> Question: I'll certainly have DCT encoded images in an ASCII85 coat
> to be read-in.  These only contain printable characters but, alas,
> backslash is included.  Would I need to duplicate them?


> Other possible problems?

I'm not aware of any.


Description: PostScript document

.ev 1
.di x
.  trf
.de END
.de line
.  de line-aux END
     ps: def \\*x
.  END
.  nop \Y[line-aux]
.  nop \X'ps: exec psline'

.line 70


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