[Lilypond-auto] [LilyIssues-auto] [testlilyissues:issues] Ticket 4509 di

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[Lilypond-auto] [LilyIssues-auto] [testlilyissues:issues] Ticket 4509 discussion

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Thu, 26 Jan 2017 16:04:51 +0000

Stupid question (as my browser and Sourceforge are a very bad combination with long issues frequently locking up with _javascript_ issues): the screenshot of the regtest differences attached directly to the issue description is still reflecting the current state?

I find it somewhat weird that in the last example, a short extender from one "la" on 4 16th notes is removed while on the next identical phrase a long extender is added.

Also the extender reaching into a grace note is shortened to before a rest while the next syllable only starts after the grace note. In contrast to the previous version, I don't actually know how to sing that.

It's somewhat strange that an automatism for adding extenders would show so few changes (almost all of them are explicitly removed or shortened extenders, and the only added extender appears to be in connection with melisma settings). Or do we just have so few relevant examples?

[issues:#4509] Enhancement: automatically engrave lyric extenders

Status: Started
Created: Sat Jul 18, 2015 03:23 AM UTC by Anonymous
Last Updated: Thu Jan 26, 2017 07:38 AM UTC
Owner: Alexander Kobel
Attachments:

Selection_005.png (263.8 kB; image/png)

Originally created by: *anonymous

Originally created by: address@hidden

Actually, this is a content vs. presentation issue. The current approach has lyric extenders ‘hardcoded’ within the lyricmode input, whereas often it depends on layout whether I want an extender printed or not:
– In tight horizontal spacing, we might not need an extender, but when spacing is stretched, it might become necessary. This can come through different (page/line) breaking, parallel contexts present only in some editions (part vs. score), Completion_heads_engraver (mensural without barlines/transcription with barlines).
– Long syllables might not need an extender, where short syllables do.
– Often, all voices share the same text, but have extenders in different places. If extenders need not be given explicitly, the lyricmode input code can be reused much easier.

After all, the extenders don’t add any additional meaning, but only serve to improve legibility in such cases where they do.

This would require:
– Recognising the end of a word by absence of a hyphen.
– Comparing printed length of the melisma notes vs. the syllable, likely after line breaking. After all, extenders will never influence horizontal spacing. They might, however, affect vertical spacing. (unless we chose to omit (or shift) the extender in that case?)
– Personally, I think very short extenders shouldn’t be printed. There should be some kind of threshold.
It’s also one of the usecases where a proper representation of a ‘lyric word’ would be helpful, along with issue 2458.

Possibly related:
issue 4098

Version 2.12 had this listed as a Known issue.

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