Added comments about where markdown content came from

The HTML files now include a comment indicating from where the main
part of the markdown content.

Changed `bin/gen-other-html.sh` VERSION from "1.0 2024-02-27"
to "1.0.1 2024-03-08".

Changed `bin/gen-top-html.sh` VERSION from "1.2 2024-02-29"
to "1.2.1 2024-03-08".

Changed `bin/gen-year-index.sh` VERSION from "1.0.1 2024-02-23"
to "1.0.2 2024-03-08".

Changed `bin/md2html.sh` VERSION from "1.0.1 2024-02-23"
to "1.1 2024-03-08".

Changed `bin/quick-readme2index.sh` VERSION from "1.1.1 2024-02-23"
to "1.1.2 2024-03-08".

1987/biggar/index.html

@@ -11,6 +11,7 @@
 <!-- END: this line ends content from: inc/top.default.html -->
 <!-- -->
 <!-- The original markdown content was formed by the tool: bin/readme2index.sh -->
+<!-- The main part of the markdown content came from: 1987/biggar/README.md -->
 <!-- The HTML was converted from markdown by the tool: bin/md2html.sh -->
 <!-- -->
 <!-- START: this line starts content from: inc/head.default.html -->

1987/heckbert/index.html

@@ -11,6 +11,7 @@
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 <!-- -->
 <!-- The original markdown content was formed by the tool: bin/readme2index.sh -->
+<!-- The main part of the markdown content came from: 1987/heckbert/README.md -->
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1987/hines/index.html

@@ -11,6 +11,7 @@
 <!-- END: this line ends content from: inc/top.default.html -->
 <!-- -->
 <!-- The original markdown content was formed by the tool: bin/readme2index.sh -->
+<!-- The main part of the markdown content came from: 1987/hines/README.md -->
 <!-- The HTML was converted from markdown by the tool: bin/md2html.sh -->
 <!-- -->
 <!-- START: this line starts content from: inc/head.default.html -->

1987/index.html

@@ -11,6 +11,7 @@
 <!-- END: this line ends content from: inc/top.default.html -->
 <!-- -->
 <!-- The original markdown content was formed by the tool: unspecified -->
+<!-- The main part of the markdown content came from: 1987/README.md -->
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@@ -128,8 +129,11 @@ abuse was unusual. The mailboxes for the contest were moved from nsc to
 amdahl. The practice of posting a preliminary set of rules for the next
 year was started this year.</p>
 <p><a href="rules.txt">Rules</a> and results were posted to comp.lang.c
-and comp.unix.wizards with an announcement in news.announce.important.
-Micro/Systems Journal published the 1987 winning entries. <a
+and comp.unix.wizards with an announcement in
+news.announce.important.<br />
+<a
+href="https://www.vintage-computer.com/publications.php?microsystemsjournal">Micro/Systems
+Journal</a> published the 1987 winning entries. <a
 href="https://www.amazon.com/stores/Mark-R.-Horton/author/B001HPGRB8">Mark
 R. Horton</a> included a version of the <a
 href="../years.html#1987">1987 winning entries</a> in an appendix of his

1987/korn/index.html

@@ -11,6 +11,7 @@
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 <!-- The original markdown content was formed by the tool: bin/readme2index.sh -->
+<!-- The main part of the markdown content came from: 1987/korn/README.md -->
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1987/lievaart/index.html

@@ -11,6 +11,7 @@
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 <!-- The original markdown content was formed by the tool: bin/readme2index.sh -->
+<!-- The main part of the markdown content came from: 1987/lievaart/README.md -->
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1987/wall/index.html

@@ -11,6 +11,7 @@
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 <!-- The original markdown content was formed by the tool: bin/readme2index.sh -->
+<!-- The main part of the markdown content came from: 1987/wall/README.md -->
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1987/westley/index.html

@@ -11,6 +11,7 @@
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+<!-- The main part of the markdown content came from: 1987/westley/README.md -->
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