I would add easy optional use of colors for, say, holidays (red) and/or
diary entries (blue).

 Fri, Aug 25, 2017 at 12:59 PM Vincent Belaïche <vincent.b.1@hotmail.fr>
wrote:

> Oops... sorry for my mistake, class-options is not optional in
> cal-tex-insert-preamble. I will make it options as you suggest.
>
>
>   Vincent.
> ------------------------------
> *De :* Vincent Belaïche <vincent.b.1@hotmail.fr>
> *Envoyé :* vendredi 25 août 2017 11:07
> *À :* Glenn Morris
> *Cc :* emacs-devel
> *Objet :* RE: cal-tex.el landscape patch
>
>
> Answers below.
>
>
> De : Glenn Morris <rgm@gnu.org>
> Envoyé : vendredi 25 août 2017 03:10
> À : Vincent Belaïche
> Cc : emacs-devel
> Objet : Re: cal-tex.el landscape patch
> >
> >
> >Fine by me, thanks. Trivial comments below.
> >
> >> -(defun cal-tex-preamble (&optional args)
> >> +(defun cal-tex-preamble (&optional class-options)
> >>    "Insert the LaTeX calendar preamble into `cal-tex-buffer'.
> >>  Preamble includes initial definitions for various LaTeX commands.
> >> -Optional string ARGS are included as options for the article document
> class."
> >> +Optional string CLASS-OPTIONS are included as options for the article
> document class."
> >>    (set-buffer (generate-new-buffer cal-tex-buffer))
> >>    (insert (format "\\documentclass%s{article}\n"
> >> -                  (if (stringp args)
> >> -                      (format "[%s]" args)
> >> +                  (if (stringp class-options)
> >> +                      (format "[%s]" class-options)
> >>                      "")))
> >> +  (if (and (stringp class-options) (string-match "\\<landscape\\>"
> class-options))
> >> +      (insert "\\usepackage{geometry}\n"))
> >
> >
> >I'd prefer if the argument did not get renamed.
>
> No problem, I will revert the prior name.
> >
> >
> >> -(defun cal-tex-insert-preamble (weeks landscape size &optional append)
> >> +(defun cal-tex-insert-preamble (weeks class-options &optional append)
> >>    "Initialize the output LaTeX calendar buffer, `cal-tex-buffer'.
> >>  Select the output buffer, and insert the preamble for a calendar
> >> -of WEEKS weeks.  Insert code for landscape mode if LANDSCAPE is
> >> -non-nil.  Use point-size SIZE.  Optional argument APPEND, if
> >> -non-nil, means add to end of buffer without erasing current contents."
> >> -  (let ((width "18cm")
> >> +of WEEKS weeks.  Insert code for landscape mode if CLASS-OPTIONS
> >> +contains landscape option.
> >> +Optional argument APPEND, if non-nil, means add to end of buffer
> >> +without erasing current contents."
> >
> >"Insert code for landscape mode if CLASS-OPTIONS contains landscape
> >option." seems a bit vague to me. Maybe something like
> >
> >"Pass string CLASS-OPTIONS as options for the article document class.
> >If it contains \"landscape\", use the geometry package to produce
> >landscape format."
>
> You are fully right, your proposed docstring is quite more clear. I will
> take it.
> >
> >Maybe class-options could be optional, and default to "12pt"?
> >
> It is already optional, I will make it default to "12pt", that is a good
> idea.
>
>   Vincent
>