Re: Omitting the destination on a call to format is deprecated. Pass #f as the destination, before the format string.

[Federico Bruni]

Il giorno sab 29 ott 2022 alle 00:42:11 +0200, Valentin Petzel 
<valentin@petzel.at> ha scritto:
> If we omit this destination argument format will handle it as #f but 
> pass this
> warning.
>
> Now these messages you get should either come from
> A) The score itself using format
> B) The score using a function that uses format
>
> I’ve grepped through the current git master sources and all 
> occurances of
> format do specify a port. This means that most likely you are using 
> some
> custom scheme functions or libraries that use format. To fix these 
> warnings
> replace all occurrances of (format string ...) by (format #f string 
> ...) in
> such files.

Thanks for the detailed explanation!
Here's the culprit:

diff --git a/ly/myStyle.ly b/ly/myStyle.ly
index af18062..2defb00 100644
--- a/ly/myStyle.ly
+++ b/ly/myStyle.ly
@@ -14,7 +14,7 @@ A=\rightHandFinger #4
tenutoFingeringMark = \markup { \text \fontsize #2 \bold "t" }

t = #(define-event-function (n) (index?)
- #{ \finger \markup \concat { #(format "~d" n) \tenutoFingeringMark } 
#})
+ #{ \finger \markup \concat { #(format #f "~d" n) \tenutoFingeringMark 
} #})