Re: Support for versions of xpdf that require a ":" before the page number

[Eduardo Ochs]

Oops, sorry, I forgot to test the previous version!...
I've just tested this one, and it works perfectly.
I'll add it tonight!
  Cheers =),
    Eduardo

On Tue, 8 Jun 2021 at 13:20, Erich Ruff <erich_ruff@t-online.de> wrote:
>
> Hi Eduardo,
>
> before you put the new version on ELPA
>
> could you include my hack for mupdf if not already done?
>
> After checkin for bugs ;-))
>
> so one could use mupdf too
>
> http://mupdf.com/
>
>
> ;; ----------------- er  mupdf ---------------------------------
>
> (defun     find-mupdf-page (fname &optional page &rest rest)
>   (find-bgprocess (ee-find-mupdf-page fname page)))
> (defvar ee-find-mupdf-page-options '())
> (defun  ee-find-mupdf-page (fname &optional page &rest rest)
>   `("mupdf"
>     ,@ee-find-mupdf-page-options
>     ,fname
>     ;; ,@(if page `(,(format "--page-label=%d" page)))
>     ,@(if page `(,(format " %s" page)))
>     ))
>
> (find-code-pdfbackend "mupdf-page")
> (code-pdfbackend "mupdf-page")
>
>
>
> ;; (find-code-pdfbackendalias "mupdf"       "mupdf-page")
> (code-pdfbackendalias "mupdf"       "mupdf-page")
> ;; (find-code-pdfbackendalias "mupdfpage"   "mupdf-page")
> (code-pdfbackendalias "mupdfpage"   "mupdf-page")
>
>
>
> ;; ----------------- er mupdf end -------------------------
>
>
> On Di 08 Jun 2021 at 17:58, Eduardo Ochs <eduardoochs@gmail.com> wrote:
>
> > Hi Erich,
> >
> > I found an elegant way to support both the newer and the older
> > versions of xpdf. The new code is this, and the new version should be
> > in ELPA in a few hours...
> >
> >   (defvar ee-find-xpdf-colon "")
> >   (defun  ee-find-xpdf-colon ()
> >     "Return \":\" or \"\" according to the version of xpdf.
> >   Some versions of xpdf need a \":\" before the page number -
> >   they need be called as \"xpdf foo.pdf :42\" instead of as
> >   \"xpdf foo.pdf 42\". In the future this function will try
> >   to guess correctly if the \":\" is needed or not, but this
> >   version just returns the value of the variable
> >   `ee-find-xpdf-colon'.")
> >
> >   (defvar ee-find-xpdf-page-options '("-fullscreen"))
> >   (defun  ee-find-xpdf-page (fname &optional page &rest rest)
> >     `("xpdf"
> >       ,@ee-find-xpdf-page-options
> >       ,fname
> >       ,@(if page `(,(format "%s%d" (ee-find-xpdf-colon) page)))
> >       ))
> >
> > You will need to add this to your .emacs:
> >
> >   ;; Tests:
> >   ;; (setq ee-find-xpdf-colon "")
> >   ;; (setq ee-find-xpdf-colon ":")
> >   ;; (ee-find-xpdf-page "~/Coetzee99.pdf" (+ -110 114))
> >   ;;    (find-xpdf-page "~/Coetzee99.pdf" (+ -110 114))
> >   ;;
> >   (setq ee-find-xpdf-colon ":")
> >
> > Cheers =),
> >   Eduardo