From 41ea8e7bcdca22a4fefb1ed85030f7da448461dd Mon Sep 17 00:00:00 2001
From: Ralph Amissah <ralph.amissah@gmail.com>
Date: Mon, 3 Jul 2023 14:19:41 -0400
Subject: homepage updates, re-read

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-<!DOCTYPE html>
-<html>
-<head>
-  <meta http-equiv="Content-Type" content="text/plain; charset=UTF-8" />
-  <title>≅ SiSU project sisudoc.org</title>
-  <link href="./css/html_seg.css" rel="stylesheet" />
-</head>
-
-<body>
-
-<h1>≅ - SiSU for documents - structuring, publishing in multiple
-formats &amp; search</h1>
-
-<h2>ℹ - A short description</h2>
-
-<p>
-SiSU is an object-centric, lightweight markup based, document structuring,
-parser, publishing and search tool for document collections. It is command line
-oriented and generates static content that is also made searchable at an object
-level through an SQL database.
-</p>
-
-<p>
-
-SiSU markup helps define (delineate) text objects which are numbered
-sequentially by the program for object citation. Breaking the document into
-objects provides interesting possibilities. These object numbers provide the
-possibility of citing/locating text precisely across different document formats
-and different languages (assuming the document has been translated). For search
-it also makes it possible to identify precisely where within in each document
-search criteria is met in the form of an index. Additionally the use of objects
-(and that objects are numbered) frees the possibility to represent the document
-in the manner considered most suitable to a specific document format (whilst
-retaining its structural (and citation) integrity).
-
-</p>
-
-<h2>Δ - SiSU project source</h2>
-
-<p>
-    <a href="./projects">
-        Δ SiSU projects repo (git)
-    </a><br>
-    - <a href="https://git.sisudoc.org">
-        https://git.sisudoc.org
-    </a><br>
-</p>
-
-<p>
-    <a href="./projects/sisu">
-        Δ SiSU (scribe): document publishing (multiple formats + search)
-    </a><br>
-    - <a href="https://git.sisudoc.org/sisu">
-        https://git.sisudoc.org/sisu
-    </a><br>
-</p>
-
-<p>
-    <a href="./projects/sisu-markup">
-        Δ SiSU markup samples in document pods for sisu (scribe)
-    </a><br>
-    - <a href="https://git.sisudoc.org/sisu-markup">
-        https://git.sisudoc.org/sisu-markup
-    </a><br>
-</p>
-
-<h2>⌘ - SiSU Spine markup sample output</h2>
-
-<p>
-To give an idea of how this works here is a small collection of documents marked
-up for and generated by the software. The curation of topics for a collection of
-specialized related documents would benefit from a consistently applied bespoke
-ontology or thesaurus.<br> The documents presented are documents that have been
-released under various creative commons licences, in the public domain, or the
-author's work, with the exception of one that is under GPL and the old abandoned
-Debian live-manual
-</p>
-
-<p>
-    <a href="./authors.html">
-       ⌘ Authors
-    </a>
-    (software curated from provided document header metadata)<br>
-    - <a href="./authors.html">
-        https://sisudoc.org/spine/authors.html
-    </a>
-</p>
-
-<p>
-    <a href="./topics.html">
-       ⌘ Topics
-    </a>
-    (software curated from provided document header metadata)<br>
-    - <a href="./topics.html">
-        https://sisudoc.org/spine/topics.html
-    </a>
-</p>
-
-<h2>፨ - SiSU Spine search</h2>
-<p>
-    <a href="./spine_search">
-       ፨ Search
-    </a>
-    (granular search of text objects)<br>
-    - <a href="https://sisudoc.org/spine_search">
-        https://sisudoc.org/spine_search
-    </a>
-</p>
-
-<div class="p">
-    <!-- SiSU Spine Search -->
-    <form action="https://sisudoc.org/spine_search" target="_top" method="POST" accept-charset="UTF-8" id="search">
-    <input type="text" name="sf" size="24" maxlength="255">
-    <input type="hidden" name="db" value="spine.search.db">
-    <input type="hidden" name="sml" value="1000">
-    <input type="hidden" name="ec" value="on">
-    <input type="hidden" name="url" value="on">
-    <button type="submit" form="search">&nbsp;㏈&nbsp;፨&nbsp;</button>
-    </form>
-    <!-- SiSU Spine Search -->
-</div>
-
-<h2>ℹ - SiSU description</h2>
-
-<p>
-Here is a description that has been used for the original sisu (scribe):
-</p>
-
-<p>
-With minimal preparation of a plain-text (UTF-8) file, using sisu markup syntax
-in your text editor of choice, SiSU can generate various document formats, most
-of which share a common object numbering system for locating content, including
-plain text, HTML, XHTML, XML, EPUB, OpenDocument text (ODF:ODT), LaTeX, PDF
-files, and populate an SQL database with objects (roughly paragraph-sized
-chunks) so searches may be performed and matches returned with that degree of
-granularity. Think of being able to finely match text in documents, using common
-object numbers, across different output formats (same object identifier for pdf,
-epub or html) and across languages if you have translations of the same document
-(same object identifier across languages). For search, your criteria is met by
-these documents at these locations within each document (equally relevant across
-different output formats and languages). To be clear (if obvious) page numbers
-provide none of this functionality. Object numbering is particularly suitable
-for "published" works (finalized texts as opposed to works that are frequently
-changed or updated) for which it provides a fixed means of reference of content.
-Document outputs can also share provided semantic meta-data.
-</p>
-
-<h3>...</h3>
-
-<p>
-SiSU is less about document layout than it is about finding a way using little
-markup to construct an abstract representation of a document that makes it
-possible to produce multiple representations of it which may be rather different
-from each other and used for different purposes, whether layout and publishing,
-scrollworthy online viewing/ reading, or content search. To be able to take
-advantage from its minimal preparation starting point of some of the strengths
-of rather different established ways of representing documents for different
-purposes, whether for search (relational database, or indexed flat files
-generated for that purpose whether of complete documents, or say of files made
-up of objects), online or other electronic viewing (e.g. html, xml, epub), or
-paper publication (e.g. pdf via latex)...
-</p>
-
-<p>
-The solution arrived at is to extract structural information about the document
-(document sections and headings within the document, available through pattern
-matching or markup) and tracking objects (which primarily are defined units of
-text such as paragraphs, headings, tables, verse, etc. but also images) which
-can be reconstituted as the same documents with relevant object identification
-numbers so text (objects) can be referenced across different output formats and
-presentations.
-</p>
-
-<p>
-SiSU generates tables of content, and through its markup the means for metadata
-to be provided for the generation of book style indexes for a document (that
-again due to document object numbers are the same and equally relevant across
-all document formats). Per document classifying/organizing metadata can also be
-provided for automated document curation.
-</p>
-
-<p>
-... there have also been working experiments with sisu markup source, two way
-conversion/representation of sisu document markup source in mind-mapping
-(software kdissert was used for its strong focus on producing documents (now
-apparently called semantik)); also po4a software for translators has been used
-successfuly in its regular text mode for sisu markup in translation, (which is
-more an attribute of po4a than of sisu, but) which is of interest due to
-sisu/spine's object citation numbering being available across translations. Open
-Document Format text (odf:odt), has been an output, but much more interesting
-(and requested by potential users of sisu/spine) would be the ability of a word
-processor to save text/a document in sisu markup, making alternative document
-processing and presentations with sisu possible.
-</p>
-
-<p>
-also worth mention, in the relatively long history of this project, there has
-been work done on extracting hash representations of each object, that could
-hypothetically be shared to prove the content of a document without sharing its
-content, or of identifying which objects change; these hashes can also be used
-as unique identifiers in a database or as identifying filenames if individual
-objects are saved.
-</p>
-
-<p>
-SiSU has evolved, the current implementation focuses on one primary use-case,
-books and literary writings. However the concept on which it is based has wider
-application. Here is a prevously posted souvenir from my encounter with an IBM
-software evaluator in London June 2004 that came about through a chance
-encounter with an IBM manager at a Linux Expo, who was curious about my interest
-in Gnu/Linux with my legal background... on hearing that I also wrote software,
-he suggested, maybe IBM should have a look at it. I was interested, the meeting
-was set up... with an IBM, Software Innovations evaluator<br>His response after
-the meeting:
-</p>
-
-<p>
-"Ralph<br>Good to meet with you today, I was very impressed with your
-software.<br><i>[colleague's name (also posted to an IBM colleague)]</i> - in
-summary - Ralph has built an application that runs on linux and takes ASCII
-documents and pulls them apart in to the smallest constituent parts, storing
-them as XML, PDF and HTML, the HTML are hyperlinked up so the document can be
-browsed in its full form. the format and text data created is stored in a
-database.<br>This has potential in any place that needs the power of full text
-search whilst holding the structural concepts of the document i.e. legal,
-pharma, education, research.. which ones we need to figure out, ..."
-</p>
-
-<p>
-Special interest was expressed in the search implications of SiSU. To
-paraphrase, the company has document management systems dealing with hundreds of
-thousands of texts, these tell you which documents match your search criteria,
-but cannot inform you where within a text these matches were found without
-opening the documents. This is achieved through defining document objects and
-making them the building block of the document, trackable document objects (that
-can be placed back in the context of the document or corpus of documents if part
-of a collection). SiSU's early design was to - abstract documents to their
-structure, and identified objects, numbered in a citable way (as pointed out
-document object hashes can be of use for the purpose).
-</p>
-
-<h2>ℹ - SiSU Spine</h2>
-
-<p>
-SiSU Spine is the new generator for documents prepared in sisu markup, written
-in D as opposed to the original sisu which was first shared in Ruby.
-</p>
-
-<p>
-Spine code has not as yet been made publicly available.
-</p>
-
-<p>
-As compared with the original sisu generator sisu spine:
-</p>
-
-<p>
-- Spine uses the same document markup for the document body, but uses yaml for
-document headers (which contains document metadata and configuration details),
-the original sisu has a bespoke markup for headers.
-</p>
-
-<p>
-- Spine (written in D) is considerably faster at generating native output than
-sisu (written in Ruby), on last test at least 60 times faster (what took 1
-minute takes 1 second; 1 hour a minute :-) (admittedly some time ago, ruby has
-been getting faster, hopefully this is not over over promising).
-</p>
-
-<p>
-- Spine produces fewer document outputs types than sisu (html, epub, (odt,
-latex) and populates sql db for search)
-</p>
-
-<p>
-- As regards non-native output, so far Spine has greater separation of what it
-does and largely leaves calling the external program to the user, e.g.: latex
-output is a native output in the sense that it is generated directly by spine,
-but the pdfs that can be produced from these are produced through use of an
-external program xelatex, which produces fine output but is a very much slower
-process.
-</p>
-
-<p>
-- (where both produce the same output type, generally) Spine generally produces
-more up to date output format representations.
-</p>
-
-<hr>
-<p class="tiny"><i>
-ralph.amissah www since 1993 ;-)
-</i></p>
-
-<hr>
-<h2>Some external links of interest</h2>
-
-<h3>Development</h3>
-<h4>Programming</h4>
-<p>
-    [ <a href="https://dlang.org/">
-        D - (dlang) general purpose, multi-paradigm, fast C like programming language
-    </a> ]
-    [ <a href="https://code.dlang.org/">
-        dub - package registry
-    </a> ]
-    [ <a href="https://forum.dlang.org/group/general">
-        community discussion (mail list frontend)
-    </a> ]<br>
-</p>
-<p>
-    [ <a href="https://www.ruby-lang.org/en/">
-        Ruby
-    </a> ]
-    [ <a href="https://rubygems.org/">
-        Gems
-    </a> ]<br>
-    [ <a href="https://crystal-lang.org/">
-        Crystal
-    </a> ]<br>
-</p>
-<h4>SQL DB</h4>
-<p>
-    [ <a href="https://sqlite.org/index.html">
-        Sqlite - an sql database engine
-    </a> ]<br>
-    [ <a href="https://www.postgresql.org/">
-        PostgreSQL
-    </a> ]<br>
-</p>
-<h4>Markup</h4>
-<p>
-    [ <a href="https://www.w3.org/html/">
-        HTML
-    </a> ]
-    [ <a href="https://html.spec.whatwg.org/multipage/">
-        multipage current spec
-    </a> ]
-    [ <a href="https://dom.spec.whatwg.org/">
-        dom current spec
-    </a> ]<br>
-    [ <a href="https://www.w3.org/publishing/epub32/">
-        Epub
-    </a> ]<br>
-    [ <a href="https://www.w3.org/Style/CSS/">
-        css - cascading style sheets
-    </a> ]<br>
-</p>
-<p>
-    [ <a href="https://opendocumentformat.org/">
-        OpenDocument Format
-    </a> ]<br>
-</p>
-<p>
-    [ <a href="https://www.latex-project.org/get/">
-        LaTeX
-    </a> ]<br>
-</p>
-<p>
-    [ <a href="https://po4a.org/index.php.en">
-        po4a - maintain translations
-    </a> ]<br>
-</p>
-<h4>Operating System Distributions</h4>
-<p>
-    [ <a href="https://nixos.org/">
-        NixOS - linux based operating system built on the Nix declarative, reproducible and reliable, build system
-    </a> ]
-    [ <a href="https://github.com/NixOS/nixpkgs">
-        nixpkgs (packages @ github)
-    </a> ]
-    [ <a href="https://search.nixos.org/packages?channel=unstable&from=0&size=100&sort=relevance&query=">
-        package search
-    </a> ]
-    [ <a href="https://discourse.nixos.org/">
-        community discussion (discourse)
-    </a> ]<br>
-    Gnu [ <a href="https://guix.gnu.org/">
-        Guix
-    </a> ]
-    [ <a href="https://guix.gnu.org/en/packages/">
-       packages
-    </a> ]
-    <br>
-</p>
-<p>
-    [ <a href="https://debian.org/">
-        Debian - the universal operating system distribution
-    </a> ]<br>
-    [ <a href="https://www.devuan.org/">
-        Devuan
-    </a> ]<br>
-</p>
-<p>
-    [ <a href="https://archlinux.org/">
-        Arch Linux
-    </a> ]
-    [ <a href="https://wiki.archlinux.org/">
-        Arch Wiki
-    </a> ]<br>
-</p>
-
-<hr>
-
-<h2>Extraneous (external) links of personal interest</h2>
-
-<h4>Workspace</h4>
-
-<h5>Shell</h5>
-<p>
-    [ <a href="https://www.zsh.org/">
-        zsh
-    </a> ]<br>
-    [ <a href="https://starship.rs/">
-        starship - customizable cross-shell prompt
-    </a> ]<br>
-</p>
-<h5>Terminal</h5>
-<p>
-    [ <a href="https://gnunn1.github.io/tilix-web/">
-        tilix
-    </a> ]
-    [ <a href="https://alacritty.org/">
-        alacritty
-    </a> ]<br>
-</p>
-<h5>Terminal Multiplexer</h5>
-<p>
-    [ <a href="https://github.com/tmux/tmux">
-        tmux (github)
-    </a> ]
-    [ <a href="https://www.gnu.org/software/screen/">
-        screen
-    </a> ]<br>
-</p>
-<h5>Window Manager</h5>
-<p>
-    [ <a href="https://i3wm.org/">
-        i3wm
-    </a> ]
-    [ <a href="https://swaywm.org/">
-        sway
-    </a> ]<br>
-</p>
-<h5>Text Editors</h5>
-<p>
-    Gnu Emacs
-    [ <a href="https://github.com/hlissner/doom-emacs">
-        Doom Emacs (github)
-    </a> ]
-    [ <a href="https://orgmode.org/">
-        Org-Mode - your life in plain text & literate programming
-    </a> ]
-    [ <a href="https://github.com/emacs-evil/evil">
-        Evil-Mode
-    </a> ]<br>
-</p>
-<p>
-    [ <a href="https://www.vim.org/">
-        Vim
-    </a> ]
-    [ <a href="https://neovim.io/">
-        NeoVim
-    </a> ]<br>
-</p>
-<h5>Source Control Manager</h5>
-<p>
-    [ <a href="https://git-scm.com/">
-        Git
-    </a> ]<br>
-</p>
-<h5>Browsers</h5>
-<p>
-    [ <a href="https://vieb.dev/">
-        vieb
-    </a> ]
-    [ <a href="https://fanglingsu.github.io/vimb/">
-        vimb
-    </a> ]<br>
-    [ <a href="https://brave.com/">
-        brave
-    </a> ]<br>
-</p>
-
-<h3>Search</h3>
-<p>
-    [ <a href="https://duckduckgo.com/">
-        DuckDuckGo
-    </a> ]
-    [ <a href="https://yubnub.org/">
-        YubNub
-    </a> ]<br>
-</p>
-
-<h3>eMail</h3>
-<p>
-    [ <a href="https://www.migadu.com/">
-       Migadu
-    </a> ]<br>
-</p>
-<p>
-    [ <a href="https://notmuchmail.org/">
-       NotmuchMail
-    </a> ]<br>
-</p>
-
-<h3>Forges</h3>
-<p>
-    [ <a href="https://sourcehut.org/">
-        Sourcehut
-    </a> ]<br>
-</p>
-<p>
-    [ <a href="https://codeberg.org/">
-        CodeBerg
-    </a> ]<br>
-</p>
-<p>
-    [ <a href="https://github.com">
-        GitHub
-    </a> ]
-    [ <a href="https://gitlab.com">
-        GitLab
-    </a> ]<br>
-</p>
-
-<h3>Software Archives</h3>
-<p>
-    [ <a href="https://www.softwareheritage.org/">
-        Software Heritage - the universal software archive
-    </a> ]<br>
-</p>
-
-<hr>
-<p class="tiny"><i>
-ralph.amissah www since 1993 ;-)
-</i></p>
-
-</body>
-</html>
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