> As a follow-up, I switched property drawers (and only those) back to
> using `outline' invisible spec in master branch. Hopefully, navigating
> in large folded files should be faster.

Just tested the master branch.
Three observations on large org file:

1. Next/previous line on folder buffer is still terribly slow
2. Unfolding speed does not seem to be affected by the last commits - it
is still much slower than text property version. There might be some
improvement if I run Emacs for longer time though (Emacs generally
becomes slower over time).
3. <TAB> <TAB> on a headline with several levels of subheadings moves
the cursor to the end of subtree, which did not happen in the past.

Best,
Ihor

Nicolas Goaziou <m...@nicolasgoaziou.fr> writes:

> Nicolas Goaziou <m...@nicolasgoaziou.fr> writes:
>
>> I wonder how it compares to drawers using the same invisible spec as
>> headlines, as it was the case before. Could you give it a try? 
>>
>> I think hiding all property drawers right after opening a subtree is
>> fast enough.
>
> As a follow-up, I switched property drawers (and only those) back to
> using `outline' invisible spec in master branch. Hopefully, navigating
> in large folded files should be faster.
>
> Of course, this doesn't prevent us to continue exploring
> text-properties. In particular, the problem is still open for regular
> drawers (e.g., LOGBOOK).

-- 
Ihor Radchenko,
PhD,
Center for Advancing Materials Performance from the Nanoscale (CAMP-nano)
State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong 
University, Xi'an, China
Email: yanta...@gmail.com, ihor_radche...@alumni.sutd.edu.sg

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