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# What’s new in babel 3.66

2021-11-08

## Transforms for Greek

`transliteration.omega`

Although the provided combinations are not exactly the same, this transform follows the syntax of the system devised by Yannis Haralambous for Omega: `=` for circumflex, `v` for digamma, `=p`, `=q` and `=s` for ϡ, ϟ and ϛ, and so on. For better compatibility with Levy’s system, `~` (as ‘string’) is an alternative to `=`. `'` is tonos in Monotonic Greek, but oxia in Polytonic and Ancient Greek. For completeness, Monotonic Greek includes the full set of rules.

If you prefer the tilde, you must make it a ‘string’. An option is the following:

``````\defineshorthand{~}{\string~}
``````

`sigma.final`

The transliteration system above, unlike Levy’s, doesn’t convert the sigma at the end of a word (on purpose). This transforms does it. To prevent the conversion (an abbreviation, for example), write `"s`.

## Fixes for bidi texts

A few issues related to graphics in bidi texts has been fixed particularly #145 and #146, with the solutions proposed by Salim Bou.