[FR] Allow TITLE to be used as default export file name (was: [BUG] EXPORT_FILE_NAME keyword is used by `org-export-output-file-name' before macro expansion/INCLUDEs/removing COMMENTed trees (was: Confused about what the COMMENT keyword means))

[Ihor Radchenko <yantar92@posteo.net>]

Alain.Cochard@unistra.fr writes:

>  > I recommend you to use :EXPORT_FILE_NAME: headline property and export
>  > using subtree scope.
>
> Thanks a lot for the tip.  A suggestion: that the :TITLE: property be
> used if it exists.

We currently fall back to file name if nothing else works.
Using TITLE is possible but cannot be done by default as a fallback ---
existing users relying on current behaviour will be affected by such
change.

We may add a defcustom though. It will be nil by default and setting it
to non-nil will make Org export fall back to TITLE rather than file
name.

However, there is no point adding yet another option if not many users
are interested. I am changing the subject of this email to facilitate
the feedback.

-- 
Ihor Radchenko // yantar92,
Org mode contributor,
Learn more about Org mode at <https://orgmode.org/>.
Support Org development at <https://liberapay.com/org-mode>,
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