fix links in 1992/buzzard.2/buzzard.2.README.html

The `1992/buzzard.2/buzzard.2.README.md` has been improved
so that links to files that is referenced are
directed to the proper web pages (web site or GitHub).

Links in `1992/buzzard.2/buzzard.2.README.md` markdown
files have been changed to the generated HTML files.

Changed `bin/gen-other-html.sh` VERSION from to "1.0.4 2024-04-13"
to "1.1 2024-04-20".

By default, we substitute _%%REPO_URL%%_ and _%%SITE_URL%%_
in inc files.

Changed `bin/subst.default.sh` VERSION from to "1.2.3 2024-04-13"
to "1.3 2024-04-20".

All `-s TOKEN=value` substitutions are applied to all markdown files
that are processed by `bin/md2html.sh`.

Substitutions of and **%%TOKEN%%** are performed on included HTML
content, content generated by the ‘before tool’ (-b tool), content
generated by the ‘after tool’ (-a tool), as well as the markdown
content given to the pandoc wrapper tool (-p tool).

It is an error, unless -S is given, for any phase, except HTML phases
20-29, to not substitute all **%%TOKEN%%**'s. For HTML phases 20-29, any
**%%TOKEN%%** that is not substituted are passed thru without substitution.

Update `bin/index.html` to clarify

Changed `bin/md2html.sh` VERSION from to "1.4 2024-04-18"
to "1.5 2024-04-20".

Fix the _BEFORE: 1st line of markdown file_ and _AFTER: last line
of markdown file_ HTML comments so that the true markdown file
source (not some temporary file) is identified.  This prevents
`authors.html`, `location.html` and `years.html` from always changing
due to different temporary files being used on each run.

Run `make www` to perform the above.

authors.html

@@ -132,7 +132,7 @@
 <!-- END: this line ends content from: inc/before-content.default.html -->
 <!-- START: this line starts content for HTML phase 21 by: bin/pandoc-wrapper.sh via bin/md2html.sh -->
 
-<!-- BEFORE: 1st line of markdown file: .gen-authors.sh.13639.entry.md -->
+<!-- BEFORE: 1st line of markdown file: authors.md -->
 <p style="text-align:center;">
 Jump to authors starting with: [
 <a href="#A">A</a>  
@@ -2800,7 +2800,7 @@ Location: <a href="location.html#US">US</a> - <em>United States of America</em>
 <ul>
 <li><a href="2011/zucker/index.html">2011/zucker</a> - Most shiny</li>
 </ul>
-<!-- AFTER: last line of markdown file: .gen-authors.sh.13639.entry.md -->
+<!-- AFTER: last line of markdown file: authors.md -->
 
 <!-- END: this line ends content for HTML phase 21 by: bin/pandoc-wrapper.sh via bin/md2html.sh -->
 <!-- START: this line starts content from: inc/after-content.default.html -->