Re: Let wordwrap-field and justify-field take non-strings?

[Thomas Morley]

Am So., 2. Dez. 2018 um 14:50 Uhr schrieb David Kastrup <address@hidden>:
>
> Thomas Morley <address@hidden> writes:
>
> > Hi,
> >
> > still musing about improving markup->string, I now stumbled across
> > \wordwrap/justify-field.
> >
> > Both have a condition to return visible output only if the catched
> > input is a string (using 'wordwrap/justify-string-markup' then),
> > whereas \fromproperty accepts markup as well.
> > Is this intended?
> >
> > One could go for markup? as well and use simple 'wordwrap/justify-markup
> > or
> > One could do the condition as (not (string-null? (markup->string ...))).
> > (Currently markup->string will not return anything else than an empty
> > string, as said I'm working on improvements)
> >
> > Opinions?
>
> A string is structured by spaces and newlines, a markup list has already
> separated elements.  How would you naturally deal with single markups?

That should become the duty of markup->string
Like:
single-markup = \markup \line \italic { Lorem ipsum dolor sit amet }
#(write (markup->string single-markup))
=>
"Lorem ipsum dolor sit amet"

Cheers,
  Harm