Re: "Takin' reference" for klinks

[Robert Weiner]

There is already a function that grabs a reference to a cell when you select 
the cell, so it shouldn’t be hard to add what you want, probably to save it to 
the kill-ring or an Emacs register or your system clipboard.

-- Bob

> On Nov 6, 2020, at 1:52 PM, Jean Louis <bugs@gnu.support> wrote:
> 
> 
> I understand the concept of Koutliner as it has analogies with
> Engelbart's work.
> 
> While I am researching how to expand hyperscope.el (with the
> preferrable inclusion into Hyperbole) maybe I wish to propose some
> enhancements for Koutliner to take references:
> 
> Enhancement is based on these points:
> 
>      3c1. Here are three klink examples:
> 
>        3c1a. <@ 3b=06> jumps to the cell within this outline which has
>              permanent id `06' and relative id `3b'.  <@ 06> does the same
>              thing, as does <@ 2b>, though this latter form will not
>              maintain the link properly if the cell is moved elsewhere
>              within the outline.
> 
>        3c1b. <EXAMPLE.kotl, 4=012 |c1e> displays the named file, starting at
>              the unimplemented features section whose permanent identifer is
>              012, with the view specification of: blank lines turned off,
>              cutoff after one line per cell, and show ellipses for cells or
>              trees which are clipped.
> 
>        3c1c. <|ben> is a klink consisting of just a view specification.
>              When activated, it sets the view in the current outline to
>              display blank lines, ellipses following collapsed lines and
>              standard alphanumeric numbering.
> 
> Based on above I would like to know if there is a function to "take a
> reference" that creates such link automatically?
> 
> As such function is very useful and would enhance hyperlinking
> capabilities.
> 
> Example in Hyperbole notation:
> {M-x eww RET https://www.gnu.org/s/hyperbole RET w q M-x 
> switch-to-buffer-other-window RET *scratch* RET M-x end-of-buffer RET M-x 
> yank RET}
> 
> By using `w' the reference has been obtained. By using `yank' the
> reference has been inserted in the other buffer.
> 
> I will soon be doing export from Hyperscope to Koutliner. Koutliner
> has good reference system from cell to cell named klinks. If I am in
> the cell 031 of the file data-01.kotl then enhancement would be to
> have keybindings to "obtain a reference for the link". Key binding
> would take into some memory or register following: </full/path/data-01.kotl, 
> 4=012 |c1e> 
> 
> Then I would go to other Koutliner file and insert the link. This is
> because it is tedious to insert links by hand and it is also error
> prone.
> 
> Many applications have hyperlinks and bookmarks but do not handle
> "takin' references".
> 
> Good bad example is Evince PDF reader on GNU/Linux, it allows me to
> jump finely grained to PDF page by its label or by its number of by
> named destination.
> 
> From evince PDF reader options:
> 
> Application Options:
>  -p, --page-label=PAGE       The page label of the document to display.
>  -i, --page-index=NUMBER     The page number of the document to display.
>  -n, --named-dest=DEST       Named destination to display.
> 
> But it does not allow me to "take a reference" in simple manner. For
> example I could mark the named destination and have key binding or
> menu option to obtain following automatically into memory or to save
> it somewhere:
> 
> evince -n "Learning GNU Hyperbole"
> 
> Instead I need to type it manually.
> 
> Please could you incorporate function to obtain link from Koutline
> file, specific cell, instead of specifying it by hand?
> 
> I have invented that function in Hyperscope in a simple manner to
> press `W' and to get link into memory link like this:
> 
> (hyperscope 130) Send Fax
> 
> which could then be inserted into Koutliner cell:
> 
> 1a1. (hyperscope 130) Send Fax
> 
> In future version of Koutliner I hope that hyperscope links get
> included as to increase finely grained annotations and database backed
> multi-server hyperlinking.
> 
> Another thing is that Koutliner needs any types of links. Hyperbole
> already offers many implicit links that will work in Koutliner. Maybe
> org type of links are also supported?
> 
> In Hyperscope I try to support any type of links by using PGP signed
> database entries of code and not code on the file system. This way a
> trusted server could provide how links would be opened and what type
> of links they should be. 
>          
> I use:  Editor:      GNU Emacs 28.0.50 (build 26, x86_64-pc-linux-gnu, X 
> toolkit, cairo version 1.14.8, Xaw3d scroll bars)
> 
>        Hyperbole:   7.1.3
>        Sys Type:    x86_64-pc-linux-gnu
>        OS Type:     gnu/linux
>        Window Sys:  x
>        News Reader: Gnus v5.13
> 
> -- 
> Thanks,
> Jean Louis
> ⎔ λ 🄯 𝍄 𝌡 𝌚
> 
> 
>