Re: 'mm' scaling value on top-level

[David Kastrup]

David Kastrup <dak@gnu.org> writes:

> Werner LEMBERG <wl@gnu.org> writes:
>
>> Using it with
>>
>> ```
>> #(set-default-paper-size (cons 100 50)))
>> ```
>>
>> works like a charm.  However, code like
>>
>> ```
>> #(set-default-paper-size (cons (* 100 mm) (* 50 mm)))
>> ```
>>
>> doesn't work; I get the error message
>>
>> ```
>> error: GUILE signaled an error for the expression beginning here
>> #
>>  (set-default-paper-size (cons (* 100 mm) (* 50 mm)))
>> Unbound variable: mm
>> ```
>>
>> What must I do to make 'mm' and similar dimension scale values
>> available at the top level?
>
> Why would you not use it in the paper block?  mm is not a constant, it
> depends on the output scale.

Sth like

\paper { #(set-default-paper-size (cons #{ 100 \mm #} #{ 50 \mm #})) }

would likely work.

-- 
David Kastrup