Thanks for your answers! I replaced (blindly, without knowing the exact syntax) \fontsize #-1 with “\normalsize” and it worked!
> On 19 Mar 2023, at 11:08 AM, Valentin Petzel <valen...@petzel.at> wrote: > > If you compile your score you should see an error like > > /tmp/frescobaldi-vl88zcuk/tmpo3h9r9ob/document.ly:5:18: Fehler: Guile > signaled > an error for the expression beginning here > \on-the-fly # > part-not-first-page \fontsize #-1.0 \fromproperty > #'header:subtitle > Unbound variable: part-not-first-page > /tmp/frescobaldi-vl88zcuk/tmpo3h9r9ob/document.ly:5:17: Fehler: falscher Typ > für Argument 1; procedure erwartet, #<unspecified> gefunden > \on-the-fly > #part-not-first-page \fontsize #-1.0 \fromproperty > #'header:subtitle > ERROR: In procedure ly:parse-file: > In procedure reverse!: Wrong type argument in position 1: (#<unspecified> . > #f) > > (for me there is some german in this, but it does not really matter). Let’s > parse these messages from top to bottom: > > The first is a GUILE message "Unbound variable: part-not-first-page", which > means that there exists no binding for part-not-first-page. As Jean explained > this should actually have been not-part-first-page when this still worked as > you can see documented here: > > https://lilypond.org/doc/v2.22/Documentation/notation/custom-titles-headers-and-footers#custom-layout-for-headers-and-footers > > But this does also not work with 2.24 anymore, as these specifc function > hooks > have been removed. The currend interface is documented in the 2.24 docs: > > https://lilypond.org/doc/v2.24/Documentation/notation/custom-titles-headers-and-footers#custom-layout-for-headers-and-footers > > Then the next message is a parsing error: \on-the-fly requires a precedure as > first argument, but as the procedure in question does not exists it gets the > special value #<unspecified>. > > Cheers, > Valentin > > Am Sonntag, 19. März 2023, 02:00:53 CET schrieb Dimitri Sykias: >> Lilypond v. “2.24.1”. I use “oddHeaderMarkup” and “evenHeaderMarkup”. I want >> to change the font size of header, but “\fontsize #-1.0” does nothing. How >> can I achieve this? Thanks! >> >> oddHeaderMarkup = \markup >> \fill-line { >> " " >> \on-the-fly #part-not-first-page \fontsize #-1.0 \fromproperty >> #'header:subtitle \if \should-print-page-number \fromproperty >> #'page:page-number-string } >> evenHeaderMarkup = \markup >> \fill-line { >> \if \should-print-page-number \fromproperty #'page:page-number-string >> \on-the-fly #part-not-first-page \fontsize #-1.0 \fromproperty >> #'header:subtitle " " >> } >
