[dev-context] CGModules update: vim syntax highlighting version 2021.05.24 published.

[m***@contextgarden.net]

Aditya Mahajan submitted an update to the

vim syntax highlighting

package.

Version number: 2021.05.24
License type: BSD License (simplified)
Wants to be in ConTeXt distribution: yes
Wants to be synced with CTAN: yes

Summary description: This module uses Vim editor's syntax files to syntax highlight verbatim code in ConTeXt

Announcement text:
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Bugfix release:

* Fixes a bug where `--` was being translated to `–` in LMTX. The fix involved
creating a new version of `syntax-highlighting` module for LMTX. The
hyphenation options haven't been translated to LMTX yet.

* Remove `--clean` flag from list of flags. This was introduced because an
ealier version on neovim was still reading `.viminfo` files when called in
`-i NONE`. However, the flag was added in the wrong location, so now custom
`.vimrc` files were not being read (Reported and debugged by Nicola on the
mailing list). Recent version of neovim seems to honor `-i NONE` option, so
the `--clean` option was simply removed.

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