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Re: Org, Hyperbole, and eev

From: Eduardo Ochs
Subject: Re: Org, Hyperbole, and eev
Date: Tue, 28 Jun 2022 01:43:55 -0300

On Mon, 27 Jun 2022 at 01:11, Robert Weiner <rswgnu@gmail.com> wrote:
> These are Action buttons run by the action button type defined via
> the defib macro in the “hibtypes.el” file.  Just search for ‘defib
> action’ in there.  You can invoke its implicit button type function
> from Lisp as (ibtypes::action) if I recall.

Hi Robert and other people,

I was finally able to understand a significant part of what happens
when we type M-RET on an action button like

  <insert "foo">

with hyperbole-mode active... my notes are here - for the sake of
completeness; I don't expect them to be readable -

  (code-c-d "hyperbole" "~/.emacs.d/elpa/hyperbole-8.0.0/")
  (require 'hyperbole)
  (hyperbole-mode 0)
  (find-hyperbolefile "DEMO")
  (find-hyperbolefile "DEMO" "Action Key is {M-RET}")
  (find-hyperbolegrep "grep -nH --null -e M-RET *")
  (find-efunction 'hkey-initialize)
  (find-efunction 'hkey-initialize "Bind the Action Key to {M-RET}")
  (find-ekeymapdescr hyperbole-mode-map)
  (find-ekeymapdescr hyperbole-mode-map "M-RET")
  (find-ekeymapdescr hyperbole-mode-map "M-RET" "hkey-either")
  (find-efunction 'hkey-either)
   (find-efunction 'assist-key)
   (find-efunction 'assist-key-internal)
  (find-efunction 'action-key)
  (find-efunction 'action-key-internal)
  (find-efunction 'hkey-execute)
  (find-efunction 'hkey-execute "hkey-alist")
  (find-evardescr 'hkey-alist)
  (find-eppp       hkey-alist)
  (find-eppp       hkey-alist "(hbut:at-p)")
  (find-evariable 'hkey-alist)
  (find-evariable 'hkey-alist "If on a Hyperbole button")
  (find-evariable 'hkey-alist "If on a Hyperbole button" "(hbut:at-p)")
  (find-efunction 'hbut:at-p)
  (find-efunction 'hbut:at-p "ebut:at-p")
  (find-efunction 'hbut:at-p "ibut:at-p")
   (find-efunction 'ebut:at-p)
   (find-efunction 'ebut:get)
  (find-efunction 'ibut:at-p)

    ^ mentions ibtypes::action and defib action

  (find-efunction 'defib)
  (find-hyperbolegrep "grep --color=auto -nH --null -e defib *.el")
  (find-hyperbolegrep "grep           -a -nH --null -e defib hibtypes.el")
  (find-hyperbolefile "hibtypes.el" "(defib action")

    (find-hyperbolefile "hibtypes.el" "(defib action")
    (setq ee-defib-defun (ee-last-sexp))

  (find-estring    ee-defib-defun)
  (find-epp  (read ee-defib-defun))
  (find-eppm (read ee-defib-defun))
  (find-efunction 'htype:create)
  (find-efunction 'htype:symbol)
  (htype:symbol 'action 'ibtypes)
  (find-efunction   'ibtypes::action)
  (find-efunctionpp 'ibtypes::action)

  (load "hibtypes.elc")
  (load "hibtypes.el")

  (find-efunctionpp 'ibtypes::action)

  (hyperbole-mode 1)
  (debug-on-entry 'ibtypes::action)

    (eek "2*<down> C-e <left>")
    (eek   "<down> C-e <left> M-RET")
    <insert "foo">

  (hyperbole-mode 0)

  (find-efunction 'ibut:at-p)
  (find-efunction 'ibut:at-p "(funcall itype)")
  (find-eppp (htype:category 'ibtypes))

  (find-hyperbolegrep "grep -a -nH --null -e defib hibtypes.el")
  (find-efunction 'symtable:add)
  (find-evardescr 'symtable:ibtypes)
  (find-evariable 'symtable:ibtypes)

I still don't understand well the code of ibut:at-p between the
beginning and the point in which it calls (funcall itype), and I also
don't understand well the code of ibtypes::action...

Anyway, we are clearly using different notions of simplicity - see:


and I find it enviable that you can have that kind of complexity under
the hood and still have lots of users that agree that Hyperbole is

Most people find eev very weird, and I have the impression that I
wouldn't have half of my (few) users if I had code like that in eev.
If the people who like to look under the hood try to understand how
M-e in eev works they will end up trying to understand how

  (forward-sexp -1)

works, and then they will read the comments of scan-sexps in
syntax.c... syntax.c is impeccably well-written, and they will
probably feel that their time was very well spent, and that their
curiosity has lead them to very good places. =\

  Exhausted cheers,
    Eduardo Ochs

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