My sympathies on the computer crash. I've had that happen to me and
know just how frustrating the process of recovery can be.
You can tell the version of Gregorio you were using from a previously
generated gtex file. The version is identified some where in the first
few lines. It should actually be identified twice: once in a fairly
human readable comment and once as the argument of
`\gregoriotexapiversion` (pre-3.0.2) or `\GregorioTeXAPIVersion` (3.0.2
on) (depending on just how old your version is, the format of the
argument may be more or less understandable). This command is actually
a version checker making sure that the command-line tool used to create
the gtex file is compatible with the version of GregorioTeX being used
in the document, so it will definitely tell which version you need.
All the old versions should be available for download here:
https://github.com/gregorio-project/gregorio/releases
✝✝✝✝✝✝✝✝✝✝✝✝✝✝✝✝✝✝✝✝✝✝✝✝✝
Br. Samuel, OSB
St. Anselm’s Abbey
Washington, DC
(R. Padraic Springuel)
PAX ☧ ΧΡΙΣΤΟΣ
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