Add hooks for inserting code at given points in score.

[eroux]

these will be useful to hack lines without custos

[henryso]

How do you detect when TeX has decided to wrap the line (for AtBeginLine)?

[eroux]

When I reported this, I certainly had in mind a system that would have had
allowed that, but this system was too complex and is abandonned..
AtBeginningForcedLine would be enough with current code
Le 30 avr. 2015 12:04, "Henry So" [email protected] a écrit :

How do you detect when TeX has decided to wrap the line (for AtBeginLine)?

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#7 (comment)
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[eroux]

I'm not sure this is really relevant, closing

[rpspringuel]

Reopening as a post to the list which could make use of this: https://groups.google.com/g/gregorio-users/c/WPbwsmIqHrc

\AtBeginScore sort of exists in the form of \optgabcAtScoreBeginning

\AtBeginLine is not feasible, based on @eroux.

\AtForcedBeginLine should be possible, though perhaps should have an optional argument allowing specifying which force linebreak the code applies to (otherwise it would simply be every line).

\AtBeginSyllable should be possible, though again the option argument might be useful

Are there other hooks which might be useful?