de on if ARG is positive, off otherwise.
When hideshow minor mode is on, the menu bar is augmented with hideshow
commands and the hideshow commands are enabled.
The value '(hs . t) is added to `buffer-invisibility-spec'.
Last, the normal hook `hs-minor-mode-hook' is run; see the doc
for `run-hooks'.

The main commands are: `hs-hide-all', `hs-show-all', `hs-hide-block',
`hs-show-block', `hs-hide-level' and `hs-show-region'.
Also see the documentation for the variable `hs-show-hidden-short-form'.

Turning hidesh