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Re: \parenthesize is not affected by \tweak

From: David Kastrup
Subject: Re: \parenthesize is not affected by \tweak
Date: Tue, 29 Jan 2019 20:33:24 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/27.0.50 (gnu/linux)

Pierre Perol-Schneider <address@hidden> writes:

>> Le mar. 29 janv. 2019 à 17:57, David Kastrup <address@hidden> a écrit:
>>> Pierre Perol-Schneider <address@hidden> writes:
>>> > Hi Bug Squad,
>>> >
>>> > %% Snippet:
>>> > \version "2.19.82"
>>> > {
>>> >   \tweak color #red \parenthesize c'
>>> >   %vs:
>>> >   \tweak ParenthesesItem.color #red \parenthesize c'
>>> > }
>>> > %%
>>> So?  The color also does not affect Stem, LedgerLine or Flag by
>>> default.  Why should it affect the parentheses?
> So? Basically the manual says: " The \tweak command applies to the music
> object that immediately follows value in the music stream."
> Considering your answer, do you mean that " \tweak color #red \parenthesize"
> does not follow the value?

It doesn't.  It precedes the value which is c' .

> Do you mean that parenthizes are no object?

The music object is the c' .  It is parenthesized, sure.  But it also is
stemmed.  The parenthesization is not a music object of its own, it is a
music function setting the parenthesize property on the following music
object.  Which results in the following music object additionally
creating a ParenthesizeItem (or whatever it was called).

> I've already asked myself about that before sending the bug report.
> Your answer does not make any clarification, sorry.

David Kastrup

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