CTAN update: gregoriotex

[CTAN Announcements]

Br. Samuel Springuel submitted an update to the

                 gregoriotex

package.

Version number: 4.1.5
License type: gpl3

Summary description: engraving Gregorian Chant scores

Announcement text:
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- Use node.travese_id() to find our desired nodes when doing translation 
centering across syllables, thereby preventing a conflict with
other packages which insert nodes (such as luatex-ja).  See 
[#1180](https://github.com/gregorio-project/gregorio/issues/1180).
- Explicitly communicate the rescaling of `\gre at skip@temp at four` back to 
TeX, thereby fixing the problem with custom spacings.  See
[#1199](https://github.com/gregorio-project/gregorio/issues/1199).
- With thanks to Claudio Beccari (@OldClaudio), adding a commentary no 
longer generates a bad `\hbox` during TeX processing (see
[#1202](https://github.com/gregorio-project/gregorio/issues/1202)).

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The package's Catalogue entry can be viewed at
    http://www.ctan.org/pkg/gregoriotex

The package's files themselves can be inspected at
    http://mirror.ctan.org/support/gregoriotex

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    Thanks for the upload.

      For the CTAN Team
     Erik Braun

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