They now return `Either OptInfo Opt`.
Add `OptInfo` type.
Add `handleOptInfo` function. This performs the IO actions for
things like `--version` that were previously done in `parseOptionsFromArgs`.
An argument for a `ScriptingEngine` has been added, to facilitate
printing custom templates and custom extensions for Lua filters.
(However, at this stage nothing is yet done with it.)
[API change]
This new module exports `pandocVersion` and `pandocVersionText`,
which are no longer exported from Text.Pandoc.Shared. [API change]
Also, we now set the `pandoc-version` variable centrally rather
than in the writers. One effect is the man writer now emits
a comment with the pandoc version (this was intended before,
judging from the template, but it didn't happen because the
vairable wasn't set).
Rolls back 0ab014ed1e.
We don't need this because we aren't needing to print the Lua
version in options any more; we're handling `--version` now at
the pandoc-cli level.
Print flag settings (lua, server) and versions of all relevant packages.
Add suffix for nightly builds.
Move `nightly` flag from pandoc to pandoc-cli.
Closes#8339.
and add a new `pandocVersion` value with type `Version`. This is
consistent with the type used for `pandocTypesVersion` and allows to use
the value where a Version type is required.
Albert Krewinkel