diff --git a/bin/README.md b/bin/README.md
index 3cc0a2b9d..a85cae40f 100644
--- a/bin/README.md
+++ b/bin/README.md
@@ -1,16 +1,15 @@
 # bin
 
-The directory holds [bin](index.html) directory
-holds tools that build files, such as HTML content, for the
-[official IOCCC web site](https://www.ioccc.org).
+The [bin directory](index.html) holds tools that build files, such as HTML
+content, for the [official IOCCC web site](https://www.ioccc.org).
 
-For HTML content, the [bin](index.html) directory tools
-makes use of HTML fragments from the [inc](../inc/index.html) directory
-as well as various JSON files and other content from the
-[IOCCC GitHub repo](https://github.com/ioccc-src/temp-test-ioccc).
+For HTML content, the [bin directory](index.html) tools make use of HTML
+fragments from the [inc directory](../inc/index.html) as well as various JSON
+files and other content from the [IOCCC GitHub
+repo](https://github.com/ioccc-src/temp-test-ioccc).
 
 
-## bin tools
+## [bin/](index.html) tools
 
 
 ### [all-run.sh](all-run.sh)
@@ -49,7 +48,8 @@ bin/all-years.sh -v 1 bin/chk-entry.sh
 
 ### [chk-entry.sh](chk-entry.sh)
 
-Check of files required by an entry matches the entry's manifest as found in `.entry.json`.
+Check that files required by an entry match the entry's manifest as found in
+`.entry.json`.
 
 For example:
 
@@ -60,7 +60,7 @@ bin/chk-entry.sh 2020/ferguson1
 
 ### [filelist.entry.json.awk](filelist.entry.json.awk)
 
-Generate the list of files in the entry's manifest `.entry.json`.
+Generate the list of files in the entry's manifest, `.entry.json`.
 
 For example:
 
@@ -93,7 +93,8 @@ bin/gen-location.sh -v 1
 
 ### [gen-other-html.sh](gen-other-html.sh)
 
-Generate entry HTML files from markdown other than index.html to index.html HTML files.
+Generate entry HTML files (other than README.md to index.html) from markdown
+files.
 
 Usage:
 
@@ -117,7 +118,7 @@ bin/gen-sitemap.sh -v 1
 Generate `status.json` according to the modification dates of `status.json`
 and `news.html`.
 
-Without argument, the _contest_status_ is unchanged.
+Without argument, the `contest_status` is unchanged.
 
 Usage:
 
@@ -125,12 +126,24 @@ Usage:
 bin/gen-status.sh -v 1
 ```
 
-To force the  _contest_status_ to be closed:
+To force the  `contest_status` to be closed:
 
 ```sh
 bin/gen-status.sh -v 1 closed
 ```
 
+To force the  `contest_status` to be open:
+
+```sh
+bin/gen-status.sh -v 1 open
+```
+
+To see other valid statuses:
+
+```sh
+bin/gen-status -h
+```
+
 
 ### [gen-top-html.sh](gen-top-html.sh)
 
@@ -184,7 +197,7 @@ bin/gen-years.sh -v 1
 
 This is the primary tool that forms IOCCC generated HTML content from
 markdown files (permanent markdown files or temporarily generated
-markdown files) and HTML fragments from the [inc](../inc/index.html) directory.
+markdown files) and HTML fragments from the [inc directory](../inc/index.html).
 
 The [../inc/md2html.cfg](../inc/md2html.cfg) configuration file is
 used by [md2html.sh](md2html.sh) to drive the generation process.
@@ -192,7 +205,8 @@ used by [md2html.sh](md2html.sh) to drive the generation process.
 
 ### [output-index-author.sh](output-index-author.sh)
 
-Output author(s) Related HTML for for an entry's index.html page.
+Output author's or authors' related HTML details for an entry's index.html
+page.
 
 
 ### [output-index-inventory.sh](output-index-inventory.sh)
@@ -218,7 +232,7 @@ does not have a non-empty `index.hmtl` file, or if either
 
 This is useful when only a few entries have been
 modified (resulting in an updated `.entry.json` file)
-or if the `index.html` of a few entries have been changed.
+or if the `index.html` of a few entries has been changed.
 
 While the [readme2index.sh](readme2index.sh) take a few
 seconds to run, when applied to 300+ entries,
@@ -233,7 +247,7 @@ bin/all-run.sh -v 3 bin/quick-readme2index.sh -v 1
 ```
 
 **NOTE**: This command assumes that the relative
-modification times for `index.hmtl`, .entry.json`,
+modification times for `index.hmtl`, `.entry.json`,
 and `index.html` are correct.  If in doubt, use:
 
 ```sh
@@ -243,7 +257,7 @@ bin/all-run.sh -v 3 bin/readme2index.sh -v 1
 
 ### [readme2index.sh](readme2index.sh)
 
-Convert a entry index.html into entry directory index.html.
+Convert an entry README.md into entry directory index.html.
 
 
 ### [status2html.sh](status2html.sh)
@@ -256,12 +270,12 @@ to be used by `bin/gen-status.sh`.
 
 ### [sgi.sh](sgi.sh)
 
-Sort .gitignore content from stdin to stdout.
+Sort .gitignore content from `stdin` to `stdout`.
 
-We sort with lines starting with # first.
-We sort with lines starting with * second.
-We sort with lines that do not start with [#!*] third.
-We sort with lines starting with ! fourth.
+We sort with lines starting with `#` first.
+We sort with lines starting with `*` second.
+We sort with lines that do not start with `[#!*]` third.
+We sort with lines starting with `!` fourth.
 
 This tool is used by [sort.gitignore.sh](sort.gitignore.sh).
 
@@ -290,12 +304,12 @@ Print default substitutions.
 
 ### [subst.entry-index.sh](subst.entry-index.sh)
 
-Print substitutions for a entry index.html.
+Print substitutions for an entry index.html.
 
 
 ### [subst.entry-navbar.awk](subst.entry-navbar.awk)
 
-Output substitutions for navbar on behalf of a entry.
+Output substitutions for navbar on behalf of an entry.
 
 
 ### [subst.year-index.sh](subst.year-index.sh)
@@ -310,7 +324,7 @@ Output substitutions for navbar on behalf of a year level index.html.
 
 ## [tar-entry.sh](tar-entry.sh)
 
-Form a compress tarball for an entry.
+Form a compressed tarball for an entry.
 
 Usage:
 
@@ -338,7 +352,7 @@ bin/tar-all.sh -v 1
 
 ## [tar-year.sh](tar-year.sh)
 
-Form a compress tarball for an IOCCC year.
+Form a compressed tarball for an IOCCC year.
 
 Usage:
 
@@ -361,21 +375,22 @@ site](https://www.ioccc.org).
 
 Nearly all IOCCC related HTML pages are built from markdown files,
 from either permanent markdown files or temporary generated markdown files,
-as well as HTML fragments from the [inc](../inc/index.html) directory.
+as well as HTML fragments from the [inc directory](../inc/index.html).
 
-Most HTML content is built from permanant markdown files, such as a `index.html`
+Most HTML content is built from permanent markdown files, such as a `README.md`
 markdown file found in each entry directory.  Some HTML content are generated
 from temporary markdown files.  These temporary markdown files are produced by
-tools in the [bin](index.html) directory and exist only while the tool is running.
+tools in the [bin directory](index.html) and exist only while the tool is running.
 
 In addition to converting markdown to HTML, the canonical way that HTML content is
-built uses, by default, files from the [inc](../inc/index.html) directory, of the form:
+built uses, by default, files from the [inc directory](../inc/index.html), of
+the file name form:
 
 ```
 *.default.html
 ```
 
-By using command line options of the form
+By using command line options of the form:
 
 ```sh
 -H phase=name
@@ -392,14 +407,14 @@ will cause [inc/topnav.up2index.html](../inc/topnav.up2index.html)
 instead of [inc/topnav.default.html](../inc/topnav.default.html) to be
 used during the _topnav_ HTML phase.
 
-If _name_ is dot (i.e., "."), then the given HTML phase is skipped.
+If `name` is dot (i.e., `.`), then the given HTML phase is skipped.
 For example:
 
 ```sh
 -H footer=.
 ```
 
-will cause no HTML content to be produced during the _footer_ HTML phase.
+will cause no HTML content to be produced during the `footer` HTML phase.
 
 
 
@@ -435,61 +450,75 @@ Phases 23-29 are reserved for future use.
 
 Phases 35-39 are reserved for future use.
 
-In the above HTML phase numbers, except during HTML phase numbers 20-29, symbols of the form %%TOKEN%% are substituted.
-Any %%TOKEN%% printed by the 'before tool' (-b tool), the 'pandoc wrapper tool' (-p tool), and the 'after tool' (-a tool)
-are ignored (i.e., not substituted).
+In the above HTML phase numbers, except during HTML phase numbers 20-29, symbols
+of the form `%%TOKEN%%` are substituted.
+
+Any `%%TOKEN%%` printed by the 'before tool' (`-b tool`), the 'pandoc wrapper
+tool' (`-p tool`), and the 'after tool' (`-a tool`) are ignored (i.e., not
+substituted).
 
 See the tool [readme2index.sh](readme2index.sh) for an example of
 how HTML phases are implemented.
 
 
-## <a name="getopt"></a>Getopt phase processing of the command line
+## <a name="`getopt`"></a>`getopt` phase processing of the command line
 
-The command options are evaluated in the following getopt phases:
+The command options are evaluated in the following `getopt` phases:
 
 
-### Getopt phase 0
+### `getopt` phase 0
 
-In getopt phase 0 we parse command line options and save all arguments for the end of the final command line.
+In `getopt` phase 0 we parse command line options and save all arguments for the
+end of the final command line.
 
-Depending on the program, the argument at the end is directory under topdir, or it is a file under topdir.
+Depending on the program, the argument at the end is directory under topdir, or
+it is a file under topdir.
 
-In getopt phase 0 is the only getopt phase where "-d topdir" and "-c md2html.cfg" may be used.
+`getopt` phase 0 is the only `getopt` phase where `-d topdir` and `-c
+md2html.cfg` may be used.
 
 
-### Getopt phase 1
+### `getopt` phase 1
 
-In getopt phase 1 we execute each -o "output tool" from getopt phase 0, parsing the output as a command line.
+In `getopt` phase 1 we execute each `-o "output tool"` from `getopt` phase 0,
+parsing the output as a command line.
 
-The -o "output tool" may be given optstr from "-O tool=optstr", followed by the phase 0 argument.
+The `-o "output tool"` may be given `optstr` from `"-O tool=optstr"`, followed
+by the phase 0 argument.
 
-The -o "output tool" is not allowed to output another "-o tool", nor a "-O tool=optstr".
-Instead an -o "output tool" may execute another -o "output tool" merge the output into its own.
+The `-o "output tool"` is not allowed to output another `"-o tool"` or a `"-O
+tool=optstr"`. Instead a `-o "output tool"` may execute another `-o "output
+tool"` and merge the output into its own.
 
 
-### Getopt phase 2
+### `getopt` phase 2
 
-In getopt phase 2 we parse the "cfg_options" from the first "md2html.cfg" line matched by saved argument.
+In `getopt` phase 2 we parse the `cfg_options` from the first `md2html.cfg` line
+matched by a saved argument.
 
 The match is made with the (possibly modified) phase 0 argument.
 
 
-### Getopt phase 3
+### `getopt` phase 3
 
-In getopt phase 3 we execute each -o "output tool" from getopt phase 2, parsing the output as a command line.
+In `getopt` phase 3 we execute each `-o "output tool"` from `getopt` phase 2,
+parsing the output as a command line.
 
-The -o "output tool" may be given optstr from "-O tool=optstr", followed by the phase 0 argument.
+The `-o "output tool"` may be given `optstr` from `"-O tool=optstr"`, followed
+by the phase 0 argument.
 
-The -o "output tool" is not allowed to output another "-o tool", nor a "-O tool=optstr".
-Instead an -o "output tool" may execute another -o "output tool" merge the output into its own.
+The `-o "output tool"` is not allowed to output another `"-o tool"` or a `"-O
+tool=optstr"`.  Instead a `-o "output tool"` may execute another `-o "output
+tool"` and merge the output into its own.
 
 
 ### Command line option order
 
-Most command line options override earlier copies of the same option.  However in the case of
-'-H phase=name', later '-H phase=name' only overrides an earlier use of '-H' for the same 'phase' only.
-Also in the case of '-s token=value', later '-s token=value' only overrides an earlier use of '-s'
-for the same 'token' only.
+Most command line options override earlier copies of the same option.  However
+in the case of `-H phase=name`, a later `-H phase=name` only overrides an
+earlier use of `-H` for the same `phase` _only_. Also in the case of `-s
+token=value`, a later `-s token=value` only overrides an earlier use of `-s` for
+the same `token` _only_.
 
 
 ### Output tools
@@ -512,57 +541,62 @@ TITLE='IOCCC entry locations'
 topnav=top-of-site
 ```
 
-The command line opions printed by an "output tool" are processed
+The command line options printed by an "output tool" are processed
 after all command line options, and all options from a matching
-line from the md2html.cfg file, and before any filename arguments
+line from the `md2html.cfg` file, and before any filename arguments
 on the command line.
 
-For exmaple:
+For example:
 
 ```
 command [command_options ..] [cfg_options ..] [output_tool_options ..] [--] [filename_arg ..]
 ```
 
-Here the 'command' first processes any command line options, then
-it processes 'cfg_options' obtained from this file from a 1st match of a given file_glob, then
-it processes 'output tool' (i.e., -o tool) options found in 'command_options', and 'cfg_options', then
-an optional -- (end of all options), then zero of more 'filename_arg' filename arguments.
+Here the `command` first processes any command line options, then it processes
+`cfg_options` obtained from this file from a first match of a given `file_glob`,
+then it processes `output tool` (i.e., `-o tool`) options found in
+`command_options`, and `cfg_options`, then an optional `--` (end of all
+options), then zero of more `filename_arg` filename arguments.
 
-The '-o tool' must NOT output any '-o tool' options as '-o tool' is NOT RECURSIVE.  A '-o tool' is free, however,
-to execute other '-o tool' output tools and merge the output from those tools into its own.
+The `-o tool` must NOT output any `-o tool` options as `-o tool` is NOT
+RECURSIVE.  A `-o tool` is free, however, to execute other `-o tool` output
+tools and merge the output from those tools into its own.
 
 
-### Special -E exitcode option
-
-When '-E exitcode' is evaluated, the application will exit with the 'exitcode' value.  If one wishes to also
-output a message to stderr, the '-e string' must come BEFORE any '-E exitcode' in the command line.
+### Special `-E exitcode` option
 
+When `-E exitcode` is evaluated, the application will exit with the `exitcode`
+value.  If one wishes to also output a message to `stderr`, the `-e string` must
+come **BEFORE** any `-E exitcode` in the command line.
 
 ### Substitution tokens
 
-All tokens (i.e., strings of the form '%%token%%') MUST be substituted (by some -s token=value)
-in all HTML output, except during phase numbers 20-29 (i.e., except 'before tool' output, pandoc wrapper output,
-and except 'after tool' output), or command will exit non-zero, unless -S is given.  If -S is given,
-only a warning about un-substituted tokens will be written to stderr.
+All tokens (i.e., strings of the form `%%token%%`) **MUST** be substituted (by
+some `-s token=value`) in all HTML output, except during phase numbers 20-29
+(i.e., except `before tool` output, pandoc wrapper output, and `after tool`
+output), or the command will exit non-zero, unless `-S` is given.  If `-S` is
+given, only a warning about non-substituted tokens will be written to `stderr`.
 
+The command line of tools in the [bin directory](index.html), and perhaps
+modified via the [md2html config file](../inc/md2html.cfg) may change to using a
+different filename for a given phase.
 
-The command line of tools in the [bin](index.html) directory,
-and perhaps modified via [md2html config file](../inc/md2html.cfg) file may change
-to using a different filename for a given phase.
-
-For example when forming the HTML from `2020/ferguson2/chocolate-cake.html`,
-a different "topnav" navigation bar is needed.  So instead of the
+For example when forming the HTML from
+[2020/ferguson1/chocolate-cake.md](/2020/ferguson1/chocolate-cake.md),
+a different `topnav` navigation bar is needed.  So instead of the
 usual top navigation bar that normally directs people to the previous
 entry for the year, or go up to the year page, or to the next entry
 for the year, a top navigation bar to just go up to the entry's
-main page is needed.   A line in the [md2html config file](../inc/md2html.cfg) file
-that refers to `2020/ferguson1/chocolate-cake.html` may specify use
-of `topnav.up2index.html` instead of using the `topnav.default.html` default.
+main page is needed.   A line in the [md2html config file](../inc/md2html.cfg)
+that refers to
+[2020/ferguson1/chocolate-cake.md](/2020/ferguson1/chocolate-cake.md) may
+specify use of `topnav.up2index.html` (as `topnav.up2index`)instead of using the
+`topnav.default.html` (`topnav.default.html`) default.
 
-The HTML phase may be skipped resulting in no HTML output during a given phase.
-Furthermore, forming HTML content from a given markdown file altogether.
+The HTML phase may be skipped resulting in no HTML output during a given phase
+and furthermore, forming no HTML content from a given markdown file altogether.
 
-See comments in the [md2html config file](../inc/md2html.cfg) file for details.
+See comments in the [md2html config file](../inc/md2html.cfg) for details.
 See also, the tool [readme2index.sh](readme2index.sh) for an example of
 how such command lines are used.
 
@@ -575,7 +609,8 @@ on the [official IOCCC web site](https://www.ioccc.org).
 These files are used to form **MOST** of the HTML content
 on the [experimental web site](https://ioccc-src.github.io/temp-test-ioccc/).
 
-... and in particular files under [inc](../inc/index.html) that are of the form (called default HTML files) ...:
+... and in particular files under [inc](../inc/index.html) that are of the form
+(called default HTML files) ...:
 
 ```
 *.default.html
@@ -584,15 +619,16 @@ on the [experimental web site](https://ioccc-src.github.io/temp-test-ioccc/).
 ... contain default content used to form IOCCC HTML / IOCCC web pages.
 
 Instead of editing the default HTML files in order to fix a special web page,
-consider making a copy of the default file and modifying the [md2html config file](md2html.cfg) to refer to the copy instead.  That way your special case situation will
-not impact **MOST** of the HTML content.
+consider making a copy of the default file and modifying the [md2html config
+file](md2html.cfg) to refer to the copy instead.  That way your special case
+situation will not impact **MOST** of the HTML content.
 
 
-# Why do we do not use certain well-known HTML technologies
+# Why we do not use certain well-known HTML technologies
 
-You may wonder why we need these files in the first place.
-You may wonder why we even need the tools in the [bin](index.html) directory
-when there other solutions available to form web pages.
+You may wonder why we need these files in the first place.  You may wonder why
+we even need the tools in the [bin](index.html) directory when there other
+solutions available to form web pages.
 
 
 ## <a name="static-only"></a>Static web pages only
@@ -600,20 +636,24 @@ when there other solutions available to form web pages.
 Here are some reasons why we are using these files and
 special tools to create HTML content / IOCCC web pages:
 
-We host [official IOCCC web site](https://www.ioccc.org) via [GitHub pages](https://pages.github.com).
-As of the time this file written, **only static web pages are supported**.
+We host [official IOCCC web site](https://www.ioccc.org) via [GitHub
+pages](https://pages.github.com).  As of the time this file written, **only
+static web pages are supported**.
 
 
 ## We cannot use server side include
 
-We use [static web pages](#static-only), so use of "server side include" is not available to the IOCCC.
+We use [static web pages](#static-only), so use of "server side include" is not
+available to the IOCCC.
 
-For example, Apache SSI "#include" does not work on [GitHub pages](https://pages.github.com).
+For example, Apache SSI "#include" does not work on [GitHub
+pages](https://pages.github.com).
 
 
 ## We cannot use a back-end database
 
-We use [static web pages](#static-only), so use of "back-end database" is not available to the IOCCC.
+We use [static web pages](#static-only), so use of a "back-end database" is not
+available to the IOCCC.
 
 
 ## <a name="why-github"></a>We cannot use non-GitHub web servers
@@ -632,43 +672,44 @@ by someone else who is not so generous.  While it is possible that GitHub might
 suffer a similar fate, for the time being we are betting that GitHub will remain
 willing to host the IOCCC.
 
-The [official IOCCC web site](https://www.ioccc.org) is, after all, primarily C source code
-with some supporting documentation.  As such it is a natural fit for GitHub and
-[GitHub pages](https://pages.github.com).
+The [official IOCCC web site](https://www.ioccc.org) is, after all, primarily C
+source code with some supporting documentation (sometimes :-) ).  As such it is
+a natural fit for GitHub and [GitHub pages](https://pages.github.com).
 
 
-## We cannot use the HTML object tag
+## We cannot use the HTML `<object>` element
 
-The _<_ object _>_ HTML tag does not work for our needs.
+The `<object>` HTML element does not work for our needs.
 
 The browser context relationship between the HTML content holds the
-HTML tag does not extend into the content that the tag includes.
-For example, menu bars will not operate as specified by the [ioccc CSS](../ioccc.css).
+HTML element does not extend into the content that the element includes.
+For example, menu bars will not operate as specified by the
+[ioccc.css](../ioccc.css).
 
 
-## We cannot use the HTML embed tag
+## We cannot use the HTML `<embed>` element
 
-The _<_ embed _>_ HTML tag does not work for our needs.
+The `<embed>` HTML element does not work for our needs.
 
-This tag wants one to specify the _width_ and _height_ in pixels.
+This element wants one to specify the `width` and `height` in pixels.
 Use of a percentage is not officially supported even if some browsers
-might do so.  Our Responsive Web Design on the [ioccc CSS](../ioccc.css)
+might do so.  Our Responsive Web Design in the [ioccc.css](../ioccc.css)
 needs to be responsive to small-sized cell phone-like screens,
 mid-sized table-like screens, as well as large-sized desktop-like screens.
-Specifying a _width_ and _height_ in pixels will not work well in
+Specifying a `width` and `height` in pixels will not work well in
 all of those screen size contexts.
 
 
-## We cannot use the HTML iframe tag
+## We cannot use the HTML `<iframe>` element
 
-The _<_ iframe _>_ HTML tag does not work for our needs.
+The `<iframe>` HTML element does not work for our needs.
 
-This tag wants one to specify the _width_ and _height_ in pixels.
+This element wants one to specify the `width` and `height` in pixels.
 Use of a percentage is not officially supported even if some browsers
-might do so.  Our Responsive Web Design on the [ioccc CSS](../ioccc.css)
+might do so.  Our Responsive Web Design in the [ioccc.css](../ioccc.css)
 needs to be responsive to small-sized cell phone-like screens,
 mid-sized table-like screens, as well as large-sized desktop-like screens.
-Specifying a _width_ and _height_ in pixels will not work well in
+Specifying a `width` and `height` in pixels will not work well in
 all of those screen size contexts.
 
 
@@ -676,11 +717,13 @@ all of those screen size contexts.
 
 We do not use JavaScript to include HTML content.
 
-While the IOCCC may use JavaScript in the future to directly render things like C source code,
-we will do so in such a way that someone will be able to view [official IOCCC web site](https://www.ioccc.org)
-content with JavaScript disabled.
+While the IOCCC may use JavaScript in the future to directly render things like
+C source code, we will do so in such a way that someone will be able to view
+[official IOCCC web site](https://www.ioccc.org) content with JavaScript
+disabled.
 
-The IOCCC will **NOT MANDATE USE OF JavaScript** to view [official IOCCC web site](https://www.ioccc.org).
+The IOCCC will **NOT MANDATE USE OF JavaScript** to view [official IOCCC web
+site](https://www.ioccc.org).
 
 For this reason, we cannot use JavaScript include HTML content.
 
@@ -695,26 +738,30 @@ The following IOCCC terms apply to tools, JSON files, and the directory structur
 An individual who was an `author` of at least one winning IOCCC entry.
 
 Some authors have submitted more than one IOCCC entry that won.  Some winning
-IOCCC entries have more than one author.
+IOCCC entries have more than one author. In that case we might use the word
+`authors`.
 
 
 ## `author_handle`
 
 An `author_handle` is string that refers to a given author and is unique to the
-IOCCC.  Each author has exactly one `author_handle`.
+IOCCC.  Each author has **EXACTLY ONE** `author_handle`.
 
-For each `author_handle`, there will be a JSON file of the form:
+For each `author_handle`, there will be a JSON file located at:
 
 ```
 author/author_handle.json
 ```
 
+where `author_handle` is the author's `author_handle`.
+
 Because the `author_handle` is used to form a JSON filename, the string must be
-lower case POSIX safe string.  Furthermore, the `author_handle` must be an ASCII
+a POSIX safe string with the addition of `+` (for technical reasons beyond this
+document).  In particular, the `author_handle` must be an ASCII
 string that matches this regexp:
 
 ```re
-^[0-9a-z][0-9a-z_]*$
+^[0-9A-Za-z][0-9A-Za-z._+-]*$"
 ```
 
 Default `author_handle`'s do not have multiple consecutive `_` (underscore)
@@ -759,26 +806,27 @@ Anonymous_[0-9][0-9][0-9][0-9][.0-9]*$
 
 ## `entry`
 
-An IOCCC entry that won an award for given IOCCC.
+An IOCCC entry that won an award for a given IOCCC.
 
-A `entry` has one more more `author`s.
+An `entry` has one more more `author`s.
 
-Each `entry` is contained under its own directory.  The parent of the entry directory
-is the year's directory.
+Each `entry` is contained under its own directory.  The parent of the entry
+directory is the year's directory.
 
-While in most cases a `entry` consists of files under a entry's directory,
-there are a few cases where a `entry` directory contains subdirectories.
+While in most cases an `entry` consists of files under an entry's directory,
+there are a few cases where an `entry` directory contains subdirectories.
 
-Use of subdirectories under a `entry` directory is discouraged and
+Use of subdirectories under an `entry` directory is discouraged and
 may be limited to previous `entry`s that used them.
 
-NOTE: In the past, the term _winner_ was used in instead of today's term of _entry_.
+NOTE: In the past, the term `winner` was used in instead of today's term of
+`entry`.
 
 
 ## `year`
 
 A `year` is a 4 character string.  Most years are 4-digit strings that
-represent the year.  Some special `year` strings are possible, such as _`mock`_.
+represent the year.  Some special `year` strings are possible, such as `mock`.
 Non-numeric `year` strings are lower case.
 
 A `year` string matches this regexp:
@@ -792,14 +840,14 @@ The `year` directories reside directly below the top level directory.
 
 ## `.year`
 
-Each `year` will have a file directory under it named:
+Each `year` directory will have a file under it named:
 
 ```
 .year
 ```
 
 The contents of the `.year` file is the year string of the directory. For
-instance, [2020/.year](,,/2020/.year) has the string: `2020`.
+instance, [2020/.year](../2020/.year) has the string: `2020`.
 
 
 ## `dir`
@@ -812,7 +860,7 @@ A `dir` is a string that matches this regexp:
 ^[a-z][0-9a-z.-]*$
 ```
 
-Each `_entry_ is under its own individual directory.  This directory
+Each `entry` is under its own individual directory.  This directory
 is directly under a `year` directory.
 
 
diff --git a/bin/index.html b/bin/index.html
index b8ac3b837..7dc0abd30 100644
--- a/bin/index.html
+++ b/bin/index.html
@@ -114,15 +114,15 @@
 <!-- START: this line starts content for HTML phase 21 by: bin/pandoc-wrapper.sh via bin/md2html.sh -->
 
 <h1 id="bin">bin</h1>
-<p>The directory holds <a href="index.html">bin</a> directory holds
-tools that build files, such as HTML content, for the <a
+<p>The <a href="index.html">bin directory</a> holds tools that build
+files, such as HTML content, for the <a
 href="https://www.ioccc.org">official IOCCC web site</a>.</p>
-<p>For HTML content, the <a href="index.html">bin</a> directory tools
-makes use of HTML fragments from the <a href="../inc/index.html">inc</a>
-directory as well as various JSON files and other content from the <a
-href="https://github.com/ioccc-src/temp-test-ioccc">IOCCC GitHub
+<p>For HTML content, the <a href="index.html">bin directory</a> tools
+make use of HTML fragments from the <a href="../inc/index.html">inc
+directory</a> as well as various JSON files and other content from the
+<a href="https://github.com/ioccc-src/temp-test-ioccc">IOCCC GitHub
 repo</a>.</p>
-<h2 id="bin-tools">bin tools</h2>
+<h2 id="bin-tools"><a href="index.html">bin/</a> tools</h2>
 <h3 id="all-run.sh"><a href="all-run.sh">all-run.sh</a></h3>
 <p>Run a command on all winning entries.</p>
 <p>For example:</p>
@@ -136,13 +136,13 @@ repo</a>.</p>
 <p>Or for example:</p>
 <div class="sourceCode" id="cb4"><pre class="sourceCode sh"><code class="sourceCode bash"><span id="cb4-1"><a href="#cb4-1" aria-hidden="true" tabindex="-1"></a><span class="ex">bin/all-years.sh</span> <span class="at">-v</span> 1 bin/chk-entry.sh</span></code></pre></div>
 <h3 id="chk-entry.sh"><a href="chk-entry.sh">chk-entry.sh</a></h3>
-<p>Check of files required by an entry matches the entry’s manifest as
+<p>Check that files required by an entry match the entry’s manifest as
 found in <code>.entry.json</code>.</p>
 <p>For example:</p>
 <div class="sourceCode" id="cb5"><pre class="sourceCode sh"><code class="sourceCode bash"><span id="cb5-1"><a href="#cb5-1" aria-hidden="true" tabindex="-1"></a><span class="ex">bin/chk-entry.sh</span> 2020/ferguson1</span></code></pre></div>
 <h3 id="filelist.entry.json.awk"><a
 href="filelist.entry.json.awk">filelist.entry.json.awk</a></h3>
-<p>Generate the list of files in the entry’s manifest
+<p>Generate the list of files in the entry’s manifest,
 <code>.entry.json</code>.</p>
 <p>For example:</p>
 <div class="sourceCode" id="cb6"><pre class="sourceCode sh"><code class="sourceCode bash"><span id="cb6-1"><a href="#cb6-1" aria-hidden="true" tabindex="-1"></a><span class="fu">awk</span> <span class="at">-f</span> bin/filelist.entry.json.awk 2020/ferguson1/.entry.json</span></code></pre></div>
@@ -157,8 +157,8 @@ href="gen-location.sh">gen-location.sh</a></h3>
 <div class="sourceCode" id="cb8"><pre class="sourceCode sh"><code class="sourceCode bash"><span id="cb8-1"><a href="#cb8-1" aria-hidden="true" tabindex="-1"></a><span class="ex">bin/gen-location.sh</span> <span class="at">-v</span> 1</span></code></pre></div>
 <h3 id="gen-other-html.sh"><a
 href="gen-other-html.sh">gen-other-html.sh</a></h3>
-<p>Generate entry HTML files from markdown other than index.html to
-index.html HTML files.</p>
+<p>Generate entry HTML files (other than README.md to index.html) from
+markdown files.</p>
 <p>Usage:</p>
 <div class="sourceCode" id="cb9"><pre class="sourceCode sh"><code class="sourceCode bash"><span id="cb9-1"><a href="#cb9-1" aria-hidden="true" tabindex="-1"></a><span class="ex">bin/gen-other-html.sh</span> <span class="at">-v</span> 1</span></code></pre></div>
 <h3 id="gen-sitemap.sh"><a href="gen-sitemap.sh">gen-sitemap.sh</a></h3>
@@ -169,20 +169,26 @@ class="sourceCode sh"><code class="sourceCode bash"><span id="cb10-1"><a href="#
 <h3 id="gen-status.sh"><a href="gen-status.sh">gen-status.sh</a></h3>
 <p>Generate <code>status.json</code> according to the modification dates
 of <code>status.json</code> and <code>news.html</code>.</p>
-<p>Without argument, the <em>contest_status</em> is unchanged.</p>
+<p>Without argument, the <code>contest_status</code> is unchanged.</p>
 <p>Usage:</p>
 <div class="sourceCode" id="cb11"><pre
 class="sourceCode sh"><code class="sourceCode bash"><span id="cb11-1"><a href="#cb11-1" aria-hidden="true" tabindex="-1"></a><span class="ex">bin/gen-status.sh</span> <span class="at">-v</span> 1</span></code></pre></div>
-<p>To force the <em>contest_status</em> to be closed:</p>
+<p>To force the <code>contest_status</code> to be closed:</p>
 <div class="sourceCode" id="cb12"><pre
 class="sourceCode sh"><code class="sourceCode bash"><span id="cb12-1"><a href="#cb12-1" aria-hidden="true" tabindex="-1"></a><span class="ex">bin/gen-status.sh</span> <span class="at">-v</span> 1 closed</span></code></pre></div>
+<p>To force the <code>contest_status</code> to be open:</p>
+<div class="sourceCode" id="cb13"><pre
+class="sourceCode sh"><code class="sourceCode bash"><span id="cb13-1"><a href="#cb13-1" aria-hidden="true" tabindex="-1"></a><span class="ex">bin/gen-status.sh</span> <span class="at">-v</span> 1 open</span></code></pre></div>
+<p>To see other valid statuses:</p>
+<div class="sourceCode" id="cb14"><pre
+class="sourceCode sh"><code class="sourceCode bash"><span id="cb14-1"><a href="#cb14-1" aria-hidden="true" tabindex="-1"></a><span class="ex">bin/gen-status</span> <span class="at">-h</span></span></code></pre></div>
 <h3 id="gen-top-html.sh"><a
 href="gen-top-html.sh">gen-top-html.sh</a></h3>
 <p>Generate a number of top level HTML pages for the IOCCC web
 sites.</p>
 <p>Usage:</p>
-<div class="sourceCode" id="cb13"><pre
-class="sourceCode sh"><code class="sourceCode bash"><span id="cb13-1"><a href="#cb13-1" aria-hidden="true" tabindex="-1"></a><span class="ex">bin/gen-top-html.sh</span> <span class="at">-v</span> 1</span></code></pre></div>
+<div class="sourceCode" id="cb15"><pre
+class="sourceCode sh"><code class="sourceCode bash"><span id="cb15-1"><a href="#cb15-1" aria-hidden="true" tabindex="-1"></a><span class="ex">bin/gen-top-html.sh</span> <span class="at">-v</span> 1</span></code></pre></div>
 <p>Examples of top level HTML pages built by this tool include:</p>
 <ul>
 <li><a href="../CODE_OF_CONDUCT.html">CODE_OF_CONDUCT.html</a></li>
@@ -203,24 +209,25 @@ href="../archive/historic/index.html">archive/historic/index.html</a></li>
 href="gen-year-index.sh">gen-year-index.sh</a></h3>
 <p>Generate an <code>index.html</code> page for an given IOCCC year.</p>
 <p>Usage:</p>
-<div class="sourceCode" id="cb14"><pre
-class="sourceCode sh"><code class="sourceCode bash"><span id="cb14-1"><a href="#cb14-1" aria-hidden="true" tabindex="-1"></a><span class="ex">bin/gen-year-index.sh</span> <span class="at">-v</span> 1 2020</span></code></pre></div>
+<div class="sourceCode" id="cb16"><pre
+class="sourceCode sh"><code class="sourceCode bash"><span id="cb16-1"><a href="#cb16-1" aria-hidden="true" tabindex="-1"></a><span class="ex">bin/gen-year-index.sh</span> <span class="at">-v</span> 1 2020</span></code></pre></div>
 <h3 id="gen-years.sh"><a href="gen-years.sh">gen-years.sh</a></h3>
 <p>Generate the top level <code>/years.html</code> page.</p>
 <p>Usage:</p>
-<div class="sourceCode" id="cb15"><pre
-class="sourceCode sh"><code class="sourceCode bash"><span id="cb15-1"><a href="#cb15-1" aria-hidden="true" tabindex="-1"></a><span class="ex">bin/gen-years.sh</span> <span class="at">-v</span> 1</span></code></pre></div>
+<div class="sourceCode" id="cb17"><pre
+class="sourceCode sh"><code class="sourceCode bash"><span id="cb17-1"><a href="#cb17-1" aria-hidden="true" tabindex="-1"></a><span class="ex">bin/gen-years.sh</span> <span class="at">-v</span> 1</span></code></pre></div>
 <h3 id="md2html.sh"><a href="md2html.sh">md2html.sh</a></h3>
 <p>This is the primary tool that forms IOCCC generated HTML content from
 markdown files (permanent markdown files or temporarily generated
 markdown files) and HTML fragments from the <a
-href="../inc/index.html">inc</a> directory.</p>
+href="../inc/index.html">inc directory</a>.</p>
 <p>The <a href="../inc/md2html.cfg">../inc/md2html.cfg</a> configuration
 file is used by <a href="md2html.sh">md2html.sh</a> to drive the
 generation process.</p>
 <h3 id="output-index-author.sh"><a
 href="output-index-author.sh">output-index-author.sh</a></h3>
-<p>Output author(s) Related HTML for for an entry’s index.html page.</p>
+<p>Output author’s or authors’ related HTML details for an entry’s
+index.html page.</p>
 <h3 id="output-index-inventory.sh"><a
 href="output-index-inventory.sh">output-index-inventory.sh</a></h3>
 <p>Output the inventory in HTML form for an entry’s index.html page.</p>
@@ -238,53 +245,55 @@ either <code>.entry.json</code> or <code>index.html</code> is newer than
 the <code>index.hmtl</code> file.</p>
 <p>This is useful when only a few entries have been modified (resulting
 in an updated <code>.entry.json</code> file) or if the
-<code>index.html</code> of a few entries have been changed.</p>
+<code>index.html</code> of a few entries has been changed.</p>
 <p>While the <a href="readme2index.sh">readme2index.sh</a> take a few
 seconds to run, when applied to 300+ entries, the extra time can add
 up.</p>
 <p>If only a few <code>index.hmtl</code> files need updating, then this
 command will only briefly pause while the slightly longer <a
 href="readme2index.sh">readme2index.sh</a> is run:</p>
-<div class="sourceCode" id="cb16"><pre
-class="sourceCode sh"><code class="sourceCode bash"><span id="cb16-1"><a href="#cb16-1" aria-hidden="true" tabindex="-1"></a><span class="ex">bin/all-run.sh</span> <span class="at">-v</span> 3 bin/quick-readme2index.sh <span class="at">-v</span> 1</span></code></pre></div>
+<div class="sourceCode" id="cb18"><pre
+class="sourceCode sh"><code class="sourceCode bash"><span id="cb18-1"><a href="#cb18-1" aria-hidden="true" tabindex="-1"></a><span class="ex">bin/all-run.sh</span> <span class="at">-v</span> 3 bin/quick-readme2index.sh <span class="at">-v</span> 1</span></code></pre></div>
 <p><strong>NOTE</strong>: This command assumes that the relative
 modification times for <code>index.hmtl</code>,
-.entry.json<code>, and</code>index.html` are correct. If in doubt,
-use:</p>
-<div class="sourceCode" id="cb17"><pre
-class="sourceCode sh"><code class="sourceCode bash"><span id="cb17-1"><a href="#cb17-1" aria-hidden="true" tabindex="-1"></a><span class="ex">bin/all-run.sh</span> <span class="at">-v</span> 3 bin/readme2index.sh <span class="at">-v</span> 1</span></code></pre></div>
+<code>.entry.json</code>, and <code>index.html</code> are correct. If in
+doubt, use:</p>
+<div class="sourceCode" id="cb19"><pre
+class="sourceCode sh"><code class="sourceCode bash"><span id="cb19-1"><a href="#cb19-1" aria-hidden="true" tabindex="-1"></a><span class="ex">bin/all-run.sh</span> <span class="at">-v</span> 3 bin/readme2index.sh <span class="at">-v</span> 1</span></code></pre></div>
 <h3 id="readme2index.sh"><a
 href="readme2index.sh">readme2index.sh</a></h3>
-<p>Convert a entry index.html into entry directory index.html.</p>
+<p>Convert an entry README.md into entry directory index.html.</p>
 <h3 id="status2html.sh"><a href="status2html.sh">status2html.sh</a></h3>
 <p>Convert <code>status.json</code> into HTML.</p>
 <p>This tool is a ‘before tool’ (-b tool) that is intended to be used by
 <code>bin/gen-status.sh</code>.</p>
 <h3 id="sgi.sh"><a href="sgi.sh">sgi.sh</a></h3>
-<p>Sort .gitignore content from stdin to stdout.</p>
-<p>We sort with lines starting with # first. We sort with lines starting
-with * second. We sort with lines that do not start with [#!*] third. We
-sort with lines starting with ! fourth.</p>
+<p>Sort .gitignore content from <code>stdin</code> to
+<code>stdout</code>.</p>
+<p>We sort with lines starting with <code>#</code> first. We sort with
+lines starting with <code>*</code> second. We sort with lines that do
+not start with <code>[#!*]</code> third. We sort with lines starting
+with <code>!</code> fourth.</p>
 <p>This tool is used by <a
 href="sort.gitignore.sh">sort.gitignore.sh</a>.</p>
 <h3 id="sort.gitignore.sh"><a
 href="sort.gitignore.sh">sort.gitignore.sh</a></h3>
 <p>Sort a .gitignore in a entry directory.</p>
 <p>Usage:</p>
-<div class="sourceCode" id="cb18"><pre
-class="sourceCode sh"><code class="sourceCode bash"><span id="cb18-1"><a href="#cb18-1" aria-hidden="true" tabindex="-1"></a><span class="ex">bin/sort.gitignore.sh</span> <span class="at">-v</span> 1 YYYY/dir</span></code></pre></div>
+<div class="sourceCode" id="cb20"><pre
+class="sourceCode sh"><code class="sourceCode bash"><span id="cb20-1"><a href="#cb20-1" aria-hidden="true" tabindex="-1"></a><span class="ex">bin/sort.gitignore.sh</span> <span class="at">-v</span> 1 YYYY/dir</span></code></pre></div>
 <p>Suggested usage:</p>
-<div class="sourceCode" id="cb19"><pre
-class="sourceCode sh"><code class="sourceCode bash"><span id="cb19-1"><a href="#cb19-1" aria-hidden="true" tabindex="-1"></a><span class="ex">bin/all-run.sh</span> bin/sort.gitignore.sh <span class="at">-v</span> 1</span></code></pre></div>
+<div class="sourceCode" id="cb21"><pre
+class="sourceCode sh"><code class="sourceCode bash"><span id="cb21-1"><a href="#cb21-1" aria-hidden="true" tabindex="-1"></a><span class="ex">bin/all-run.sh</span> bin/sort.gitignore.sh <span class="at">-v</span> 1</span></code></pre></div>
 <h3 id="subst.default.sh"><a
 href="subst.default.sh">subst.default.sh</a></h3>
 <p>Print default substitutions.</p>
 <h3 id="subst.entry-index.sh"><a
 href="subst.entry-index.sh">subst.entry-index.sh</a></h3>
-<p>Print substitutions for a entry index.html.</p>
+<p>Print substitutions for an entry index.html.</p>
 <h3 id="subst.entry-navbar.awk"><a
 href="subst.entry-navbar.awk">subst.entry-navbar.awk</a></h3>
-<p>Output substitutions for navbar on behalf of a entry.</p>
+<p>Output substitutions for navbar on behalf of an entry.</p>
 <h3 id="subst.year-index.sh"><a
 href="subst.year-index.sh">subst.year-index.sh</a></h3>
 <p>Print substitutions for a year level index.html.</p>
@@ -293,27 +302,27 @@ href="subst.year-navbar.awk">subst.year-navbar.awk</a></h3>
 <p>Output substitutions for navbar on behalf of a year level
 index.html.</p>
 <h2 id="tar-entry.sh"><a href="tar-entry.sh">tar-entry.sh</a></h2>
-<p>Form a compress tarball for an entry.</p>
+<p>Form a compressed tarball for an entry.</p>
 <p>Usage:</p>
-<div class="sourceCode" id="cb20"><pre
-class="sourceCode sh"><code class="sourceCode bash"><span id="cb20-1"><a href="#cb20-1" aria-hidden="true" tabindex="-1"></a><span class="ex">bin/tar-entry.sh</span> <span class="at">-v</span> 1 YYYY/dir</span></code></pre></div>
+<div class="sourceCode" id="cb22"><pre
+class="sourceCode sh"><code class="sourceCode bash"><span id="cb22-1"><a href="#cb22-1" aria-hidden="true" tabindex="-1"></a><span class="ex">bin/tar-entry.sh</span> <span class="at">-v</span> 1 YYYY/dir</span></code></pre></div>
 <p>Suggested usage:</p>
-<div class="sourceCode" id="cb21"><pre
-class="sourceCode sh"><code class="sourceCode bash"><span id="cb21-1"><a href="#cb21-1" aria-hidden="true" tabindex="-1"></a><span class="ex">bin/all-run.sh</span> <span class="at">-v</span> 3 bin/tar-entry.sh <span class="at">-v</span> 1 <span class="at">-W</span></span></code></pre></div>
+<div class="sourceCode" id="cb23"><pre
+class="sourceCode sh"><code class="sourceCode bash"><span id="cb23-1"><a href="#cb23-1" aria-hidden="true" tabindex="-1"></a><span class="ex">bin/all-run.sh</span> <span class="at">-v</span> 3 bin/tar-entry.sh <span class="at">-v</span> 1 <span class="at">-W</span></span></code></pre></div>
 <h2 id="tar-all.sh"><a href="tar-all.sh">tar-all.sh</a></h2>
 <p>Form the compressed tarball for all IOCCC years and all IOCCC
 entries.</p>
 <p>Usage:</p>
-<div class="sourceCode" id="cb22"><pre
-class="sourceCode sh"><code class="sourceCode bash"><span id="cb22-1"><a href="#cb22-1" aria-hidden="true" tabindex="-1"></a><span class="ex">bin/tar-all.sh</span> <span class="at">-v</span> 1</span></code></pre></div>
-<h2 id="tar-year.sh"><a href="tar-year.sh">tar-year.sh</a></h2>
-<p>Form a compress tarball for an IOCCC year.</p>
-<p>Usage:</p>
-<div class="sourceCode" id="cb23"><pre
-class="sourceCode sh"><code class="sourceCode bash"><span id="cb23-1"><a href="#cb23-1" aria-hidden="true" tabindex="-1"></a><span class="ex">bin/tar-year.sh</span> <span class="at">-v</span> 1 YYYY</span></code></pre></div>
-<p>Suggested usage:</p>
 <div class="sourceCode" id="cb24"><pre
-class="sourceCode sh"><code class="sourceCode bash"><span id="cb24-1"><a href="#cb24-1" aria-hidden="true" tabindex="-1"></a><span class="ex">bin/all-years.sh</span> <span class="at">-v</span> 3 bin/tar-year.sh <span class="at">-v</span> 1 <span class="at">-W</span></span></code></pre></div>
+class="sourceCode sh"><code class="sourceCode bash"><span id="cb24-1"><a href="#cb24-1" aria-hidden="true" tabindex="-1"></a><span class="ex">bin/tar-all.sh</span> <span class="at">-v</span> 1</span></code></pre></div>
+<h2 id="tar-year.sh"><a href="tar-year.sh">tar-year.sh</a></h2>
+<p>Form a compressed tarball for an IOCCC year.</p>
+<p>Usage:</p>
+<div class="sourceCode" id="cb25"><pre
+class="sourceCode sh"><code class="sourceCode bash"><span id="cb25-1"><a href="#cb25-1" aria-hidden="true" tabindex="-1"></a><span class="ex">bin/tar-year.sh</span> <span class="at">-v</span> 1 YYYY</span></code></pre></div>
+<p>Suggested usage:</p>
+<div class="sourceCode" id="cb26"><pre
+class="sourceCode sh"><code class="sourceCode bash"><span id="cb26-1"><a href="#cb26-1" aria-hidden="true" tabindex="-1"></a><span class="ex">bin/all-years.sh</span> <span class="at">-v</span> 3 bin/tar-year.sh <span class="at">-v</span> 1 <span class="at">-W</span></span></code></pre></div>
 <h1 id="how-ioccc-html-content-is-built"><a name="how"></a>How IOCCC
 HTML content is built</h1>
 <p>The <a href="md2html.sh">md2html.sh</a> tool is the primary tool that
@@ -322,34 +331,34 @@ href="https://www.ioccc.org">official IOCCC web site</a>.</p>
 <p>Nearly all IOCCC related HTML pages are built from markdown files,
 from either permanent markdown files or temporary generated markdown
 files, as well as HTML fragments from the <a
-href="../inc/index.html">inc</a> directory.</p>
-<p>Most HTML content is built from permanant markdown files, such as a
-<code>index.html</code> markdown file found in each entry directory.
-Some HTML content are generated from temporary markdown files. These
+href="../inc/index.html">inc directory</a>.</p>
+<p>Most HTML content is built from permanent markdown files, such as a
+<code>README.md</code> markdown file found in each entry directory. Some
+HTML content are generated from temporary markdown files. These
 temporary markdown files are produced by tools in the <a
-href="index.html">bin</a> directory and exist only while the tool is
+href="index.html">bin directory</a> and exist only while the tool is
 running.</p>
 <p>In addition to converting markdown to HTML, the canonical way that
 HTML content is built uses, by default, files from the <a
-href="../inc/index.html">inc</a> directory, of the form:</p>
+href="../inc/index.html">inc directory</a>, of the file name form:</p>
 <pre><code>*.default.html</code></pre>
-<p>By using command line options of the form</p>
-<div class="sourceCode" id="cb26"><pre
-class="sourceCode sh"><code class="sourceCode bash"><span id="cb26-1"><a href="#cb26-1" aria-hidden="true" tabindex="-1"></a><span class="ex">-H</span> phase=name</span></code></pre></div>
+<p>By using command line options of the form:</p>
+<div class="sourceCode" id="cb28"><pre
+class="sourceCode sh"><code class="sourceCode bash"><span id="cb28-1"><a href="#cb28-1" aria-hidden="true" tabindex="-1"></a><span class="ex">-H</span> phase=name</span></code></pre></div>
 <p>where <code>phase</code> is the name of an HTML phase, a non-default
 file may be used. For example:</p>
-<div class="sourceCode" id="cb27"><pre
-class="sourceCode sh"><code class="sourceCode bash"><span id="cb27-1"><a href="#cb27-1" aria-hidden="true" tabindex="-1"></a><span class="ex">-H</span> topnav=up2index</span></code></pre></div>
+<div class="sourceCode" id="cb29"><pre
+class="sourceCode sh"><code class="sourceCode bash"><span id="cb29-1"><a href="#cb29-1" aria-hidden="true" tabindex="-1"></a><span class="ex">-H</span> topnav=up2index</span></code></pre></div>
 <p>will cause <a
 href="../inc/topnav.up2index.html">inc/topnav.up2index.html</a> instead
 of <a href="../inc/topnav.default.html">inc/topnav.default.html</a> to
 be used during the <em>topnav</em> HTML phase.</p>
-<p>If <em>name</em> is dot (i.e., “.”), then the given HTML phase is
-skipped. For example:</p>
-<div class="sourceCode" id="cb28"><pre
-class="sourceCode sh"><code class="sourceCode bash"><span id="cb28-1"><a href="#cb28-1" aria-hidden="true" tabindex="-1"></a><span class="ex">-H</span> footer=.</span></code></pre></div>
-<p>will cause no HTML content to be produced during the <em>footer</em>
-HTML phase.</p>
+<p>If <code>name</code> is dot (i.e., <code>.</code>), then the given
+HTML phase is skipped. For example:</p>
+<div class="sourceCode" id="cb30"><pre
+class="sourceCode sh"><code class="sourceCode bash"><span id="cb30-1"><a href="#cb30-1" aria-hidden="true" tabindex="-1"></a><span class="ex">-H</span> footer=.</span></code></pre></div>
+<p>will cause no HTML content to be produced during the
+<code>footer</code> HTML phase.</p>
 <h2 id="html-phases"><a name="html"></a>HTML phases</h2>
 <p>The following HTML phase files are used to build HTML content:</p>
 <ol start="0" type="1">
@@ -381,49 +390,61 @@ HTML phase.</p>
 </ol>
 <p>Phases 35-39 are reserved for future use.</p>
 <p>In the above HTML phase numbers, except during HTML phase numbers
-20-29, symbols of the form %%TOKEN%% are substituted. Any %%TOKEN%%
-printed by the ‘before tool’ (-b tool), the ‘pandoc wrapper tool’ (-p
-tool), and the ‘after tool’ (-a tool) are ignored (i.e., not
-substituted).</p>
+20-29, symbols of the form <code>%%TOKEN%%</code> are substituted.</p>
+<p>Any <code>%%TOKEN%%</code> printed by the ‘before tool’
+(<code>-b tool</code>), the ‘pandoc wrapper tool’
+(<code>-p tool</code>), and the ‘after tool’ (<code>-a tool</code>) are
+ignored (i.e., not substituted).</p>
 <p>See the tool <a href="readme2index.sh">readme2index.sh</a> for an
 example of how HTML phases are implemented.</p>
 <h2
-id="getopt-phase-processing-of-the-command-line"><a name="getopt"></a>Getopt
+id="getopt-phase-processing-of-the-command-line"><a name="`getopt`"></a><code>getopt</code>
 phase processing of the command line</h2>
-<p>The command options are evaluated in the following getopt phases:</p>
-<h3 id="getopt-phase-0">Getopt phase 0</h3>
-<p>In getopt phase 0 we parse command line options and save all
-arguments for the end of the final command line.</p>
+<p>The command options are evaluated in the following
+<code>getopt</code> phases:</p>
+<h3 id="getopt-phase-0"><code>getopt</code> phase 0</h3>
+<p>In <code>getopt</code> phase 0 we parse command line options and save
+all arguments for the end of the final command line.</p>
 <p>Depending on the program, the argument at the end is directory under
 topdir, or it is a file under topdir.</p>
-<p>In getopt phase 0 is the only getopt phase where “-d topdir” and “-c
-md2html.cfg” may be used.</p>
-<h3 id="getopt-phase-1">Getopt phase 1</h3>
-<p>In getopt phase 1 we execute each -o “output tool” from getopt phase
-0, parsing the output as a command line.</p>
-<p>The -o “output tool” may be given optstr from “-O tool=optstr”,
-followed by the phase 0 argument.</p>
-<p>The -o “output tool” is not allowed to output another “-o tool”, nor
-a “-O tool=optstr”. Instead an -o “output tool” may execute another -o
-“output tool” merge the output into its own.</p>
-<h3 id="getopt-phase-2">Getopt phase 2</h3>
-<p>In getopt phase 2 we parse the “cfg_options” from the first
-“md2html.cfg” line matched by saved argument.</p>
+<p><code>getopt</code> phase 0 is the only <code>getopt</code> phase
+where <code>-d topdir</code> and <code>-c md2html.cfg</code> may be
+used.</p>
+<h3 id="getopt-phase-1"><code>getopt</code> phase 1</h3>
+<p>In <code>getopt</code> phase 1 we execute each
+<code>-o "output tool"</code> from <code>getopt</code> phase 0, parsing
+the output as a command line.</p>
+<p>The <code>-o "output tool"</code> may be given <code>optstr</code>
+from <code>"-O tool=optstr"</code>, followed by the phase 0
+argument.</p>
+<p>The <code>-o "output tool"</code> is not allowed to output another
+<code>"-o tool"</code> or a <code>"-O tool=optstr"</code>. Instead a
+<code>-o "output tool"</code> may execute another
+<code>-o "output tool"</code> and merge the output into its own.</p>
+<h3 id="getopt-phase-2"><code>getopt</code> phase 2</h3>
+<p>In <code>getopt</code> phase 2 we parse the <code>cfg_options</code>
+from the first <code>md2html.cfg</code> line matched by a saved
+argument.</p>
 <p>The match is made with the (possibly modified) phase 0 argument.</p>
-<h3 id="getopt-phase-3">Getopt phase 3</h3>
-<p>In getopt phase 3 we execute each -o “output tool” from getopt phase
-2, parsing the output as a command line.</p>
-<p>The -o “output tool” may be given optstr from “-O tool=optstr”,
-followed by the phase 0 argument.</p>
-<p>The -o “output tool” is not allowed to output another “-o tool”, nor
-a “-O tool=optstr”. Instead an -o “output tool” may execute another -o
-“output tool” merge the output into its own.</p>
+<h3 id="getopt-phase-3"><code>getopt</code> phase 3</h3>
+<p>In <code>getopt</code> phase 3 we execute each
+<code>-o "output tool"</code> from <code>getopt</code> phase 2, parsing
+the output as a command line.</p>
+<p>The <code>-o "output tool"</code> may be given <code>optstr</code>
+from <code>"-O tool=optstr"</code>, followed by the phase 0
+argument.</p>
+<p>The <code>-o "output tool"</code> is not allowed to output another
+<code>"-o tool"</code> or a <code>"-O tool=optstr"</code>. Instead a
+<code>-o "output tool"</code> may execute another
+<code>-o "output tool"</code> and merge the output into its own.</p>
 <h3 id="command-line-option-order">Command line option order</h3>
 <p>Most command line options override earlier copies of the same option.
-However in the case of ‘-H phase=name’, later ‘-H phase=name’ only
-overrides an earlier use of ‘-H’ for the same ‘phase’ only. Also in the
-case of ‘-s token=value’, later ‘-s token=value’ only overrides an
-earlier use of ‘-s’ for the same ‘token’ only.</p>
+However in the case of <code>-H phase=name</code>, a later
+<code>-H phase=name</code> only overrides an earlier use of
+<code>-H</code> for the same <code>phase</code> <em>only</em>. Also in
+the case of <code>-s token=value</code>, a later
+<code>-s token=value</code> only overrides an earlier use of
+<code>-s</code> for the same <code>token</code> <em>only</em>.</p>
 <h3 id="output-tools">Output tools</h3>
 <p>An “output tool” may be used to add certain additional command line
 options to be processed.</p>
@@ -436,51 +457,61 @@ to convey:</p>
 TITLE=&#39;IOCCC entry locations&#39;
 -H
 topnav=top-of-site</code></pre>
-<p>The command line opions printed by an “output tool” are processed
+<p>The command line options printed by an “output tool” are processed
 after all command line options, and all options from a matching line
-from the md2html.cfg file, and before any filename arguments on the
-command line.</p>
-<p>For exmaple:</p>
+from the <code>md2html.cfg</code> file, and before any filename
+arguments on the command line.</p>
+<p>For example:</p>
 <pre><code>command [command_options ..] [cfg_options ..] [output_tool_options ..] [--] [filename_arg ..]</code></pre>
-<p>Here the ‘command’ first processes any command line options, then it
-processes ‘cfg_options’ obtained from this file from a 1st match of a
-given file_glob, then it processes ‘output tool’ (i.e., -o tool) options
-found in ‘command_options’, and ‘cfg_options’, then an optional – (end
-of all options), then zero of more ‘filename_arg’ filename
-arguments.</p>
-<p>The ‘-o tool’ must NOT output any ‘-o tool’ options as ‘-o tool’ is
-NOT RECURSIVE. A ‘-o tool’ is free, however, to execute other ‘-o tool’
-output tools and merge the output from those tools into its own.</p>
-<h3 id="special--e-exitcode-option">Special -E exitcode option</h3>
-<p>When ‘-E exitcode’ is evaluated, the application will exit with the
-‘exitcode’ value. If one wishes to also output a message to stderr, the
-‘-e string’ must come BEFORE any ‘-E exitcode’ in the command line.</p>
+<p>Here the <code>command</code> first processes any command line
+options, then it processes <code>cfg_options</code> obtained from this
+file from a first match of a given <code>file_glob</code>, then it
+processes <code>output tool</code> (i.e., <code>-o tool</code>) options
+found in <code>command_options</code>, and <code>cfg_options</code>,
+then an optional <code>--</code> (end of all options), then zero of more
+<code>filename_arg</code> filename arguments.</p>
+<p>The <code>-o tool</code> must NOT output any <code>-o tool</code>
+options as <code>-o tool</code> is NOT RECURSIVE. A <code>-o tool</code>
+is free, however, to execute other <code>-o tool</code> output tools and
+merge the output from those tools into its own.</p>
+<h3 id="special--e-exitcode-option">Special <code>-E exitcode</code>
+option</h3>
+<p>When <code>-E exitcode</code> is evaluated, the application will exit
+with the <code>exitcode</code> value. If one wishes to also output a
+message to <code>stderr</code>, the <code>-e string</code> must come
+<strong>BEFORE</strong> any <code>-E exitcode</code> in the command
+line.</p>
 <h3 id="substitution-tokens">Substitution tokens</h3>
-<p>All tokens (i.e., strings of the form ‘%%token%%’) MUST be
-substituted (by some -s token=value) in all HTML output, except during
-phase numbers 20-29 (i.e., except ‘before tool’ output, pandoc wrapper
-output, and except ‘after tool’ output), or command will exit non-zero,
-unless -S is given. If -S is given, only a warning about un-substituted
-tokens will be written to stderr.</p>
-<p>The command line of tools in the <a href="index.html">bin</a>
-directory, and perhaps modified via <a href="../inc/md2html.cfg">md2html
-config file</a> file may change to using a different filename for a
-given phase.</p>
-<p>For example when forming the HTML from
-<code>2020/ferguson2/chocolate-cake.html</code>, a different “topnav”
-navigation bar is needed. So instead of the usual top navigation bar
-that normally directs people to the previous entry for the year, or go
-up to the year page, or to the next entry for the year, a top navigation
-bar to just go up to the entry’s main page is needed. A line in the <a
-href="../inc/md2html.cfg">md2html config file</a> file that refers to
-<code>2020/ferguson1/chocolate-cake.html</code> may specify use of
-<code>topnav.up2index.html</code> instead of using the
-<code>topnav.default.html</code> default.</p>
+<p>All tokens (i.e., strings of the form <code>%%token%%</code>)
+<strong>MUST</strong> be substituted (by some
+<code>-s token=value</code>) in all HTML output, except during phase
+numbers 20-29 (i.e., except <code>before tool</code> output, pandoc
+wrapper output, and <code>after tool</code> output), or the command will
+exit non-zero, unless <code>-S</code> is given. If <code>-S</code> is
+given, only a warning about non-substituted tokens will be written to
+<code>stderr</code>.</p>
+<p>The command line of tools in the <a href="index.html">bin
+directory</a>, and perhaps modified via the <a
+href="../inc/md2html.cfg">md2html config file</a> may change to using a
+different filename for a given phase.</p>
+<p>For example when forming the HTML from <a
+href="/2020/ferguson1/chocolate-cake.md">2020/ferguson1/chocolate-cake.md</a>,
+a different <code>topnav</code> navigation bar is needed. So instead of
+the usual top navigation bar that normally directs people to the
+previous entry for the year, or go up to the year page, or to the next
+entry for the year, a top navigation bar to just go up to the entry’s
+main page is needed. A line in the <a href="../inc/md2html.cfg">md2html
+config file</a> that refers to <a
+href="/2020/ferguson1/chocolate-cake.md">2020/ferguson1/chocolate-cake.md</a>
+may specify use of <code>topnav.up2index.html</code> (as
+<code>topnav.up2index</code>)instead of using the
+<code>topnav.default.html</code> (<code>topnav.default.html</code>)
+default.</p>
 <p>The HTML phase may be skipped resulting in no HTML output during a
-given phase. Furthermore, forming HTML content from a given markdown
-file altogether.</p>
+given phase and furthermore, forming no HTML content from a given
+markdown file altogether.</p>
 <p>See comments in the <a href="../inc/md2html.cfg">md2html config
-file</a> file for details. See also, the tool <a
+file</a> for details. See also, the tool <a
 href="readme2index.sh">readme2index.sh</a> for an example of how such
 command lines are used.</p>
 <h1 id="use-caution-when-modifying-inc-files">Use CAUTION when modifying
@@ -502,8 +533,8 @@ web page, consider making a copy of the default file and modifying the
 <a href="md2html.cfg">md2html config file</a> to refer to the copy
 instead. That way your special case situation will not impact
 <strong>MOST</strong> of the HTML content.</p>
-<h1 id="why-do-we-do-not-use-certain-well-known-html-technologies">Why
-do we do not use certain well-known HTML technologies</h1>
+<h1 id="why-we-do-not-use-certain-well-known-html-technologies">Why we
+do not use certain well-known HTML technologies</h1>
 <p>You may wonder why we need these files in the first place. You may
 wonder why we even need the tools in the <a href="index.html">bin</a>
 directory when there other solutions available to form web pages.</p>
@@ -523,7 +554,7 @@ side include” is not available to the IOCCC.</p>
 href="https://pages.github.com">GitHub pages</a>.</p>
 <h2 id="we-cannot-use-a-back-end-database">We cannot use a back-end
 database</h2>
-<p>We use <a href="#static-only">static web pages</a>, so use of
+<p>We use <a href="#static-only">static web pages</a>, so use of a
 “back-end database” is not available to the IOCCC.</p>
 <h2
 id="we-cannot-use-non-github-web-servers"><a name="why-github"></a>We
@@ -545,41 +576,41 @@ it is possible that GitHub might someday suffer a similar fate, for the
 time being we are betting that GitHub will remain willing to host the
 IOCCC.</p>
 <p>The <a href="https://www.ioccc.org">official IOCCC web site</a> is,
-after all, primarily C source code with some supporting documentation.
-As such it is a natural fit for GitHub and <a
+after all, primarily C source code with some supporting documentation
+(sometimes :-) ). As such it is a natural fit for GitHub and <a
 href="https://pages.github.com">GitHub pages</a>.</p>
-<h2 id="we-cannot-use-the-html-object-tag">We cannot use the HTML object
-tag</h2>
-<p>The <em>&lt;</em> object <em>&gt;</em> HTML tag does not work for our
+<h2 id="we-cannot-use-the-html-object-element">We cannot use the HTML
+<code>&lt;object&gt;</code> element</h2>
+<p>The <code>&lt;object&gt;</code> HTML element does not work for our
 needs.</p>
 <p>The browser context relationship between the HTML content holds the
-HTML tag does not extend into the content that the tag includes. For
-example, menu bars will not operate as specified by the <a
-href="../ioccc.css">ioccc CSS</a>.</p>
-<h2 id="we-cannot-use-the-html-embed-tag">We cannot use the HTML embed
-tag</h2>
-<p>The <em>&lt;</em> embed <em>&gt;</em> HTML tag does not work for our
+HTML element does not extend into the content that the element includes.
+For example, menu bars will not operate as specified by the <a
+href="../ioccc.css">ioccc.css</a>.</p>
+<h2 id="we-cannot-use-the-html-embed-element">We cannot use the HTML
+<code>&lt;embed&gt;</code> element</h2>
+<p>The <code>&lt;embed&gt;</code> HTML element does not work for our
 needs.</p>
-<p>This tag wants one to specify the <em>width</em> and <em>height</em>
-in pixels. Use of a percentage is not officially supported even if some
-browsers might do so. Our Responsive Web Design on the <a
-href="../ioccc.css">ioccc CSS</a> needs to be responsive to small-sized
-cell phone-like screens, mid-sized table-like screens, as well as
-large-sized desktop-like screens. Specifying a <em>width</em> and
-<em>height</em> in pixels will not work well in all of those screen size
-contexts.</p>
-<h2 id="we-cannot-use-the-html-iframe-tag">We cannot use the HTML iframe
-tag</h2>
-<p>The <em>&lt;</em> iframe <em>&gt;</em> HTML tag does not work for our
+<p>This element wants one to specify the <code>width</code> and
+<code>height</code> in pixels. Use of a percentage is not officially
+supported even if some browsers might do so. Our Responsive Web Design
+in the <a href="../ioccc.css">ioccc.css</a> needs to be responsive to
+small-sized cell phone-like screens, mid-sized table-like screens, as
+well as large-sized desktop-like screens. Specifying a
+<code>width</code> and <code>height</code> in pixels will not work well
+in all of those screen size contexts.</p>
+<h2 id="we-cannot-use-the-html-iframe-element">We cannot use the HTML
+<code>&lt;iframe&gt;</code> element</h2>
+<p>The <code>&lt;iframe&gt;</code> HTML element does not work for our
 needs.</p>
-<p>This tag wants one to specify the <em>width</em> and <em>height</em>
-in pixels. Use of a percentage is not officially supported even if some
-browsers might do so. Our Responsive Web Design on the <a
-href="../ioccc.css">ioccc CSS</a> needs to be responsive to small-sized
-cell phone-like screens, mid-sized table-like screens, as well as
-large-sized desktop-like screens. Specifying a <em>width</em> and
-<em>height</em> in pixels will not work well in all of those screen size
-contexts.</p>
+<p>This element wants one to specify the <code>width</code> and
+<code>height</code> in pixels. Use of a percentage is not officially
+supported even if some browsers might do so. Our Responsive Web Design
+in the <a href="../ioccc.css">ioccc.css</a> needs to be responsive to
+small-sized cell phone-like screens, mid-sized table-like screens, as
+well as large-sized desktop-like screens. Specifying a
+<code>width</code> and <code>height</code> in pixels will not work well
+in all of those screen size contexts.</p>
 <h2 id="we-cannot-use-javascript-to-include-content">We cannot use
 JavaScript to include content</h2>
 <p>We do not use JavaScript to include HTML content.</p>
@@ -597,19 +628,23 @@ directory structure of this repo.</p>
 <p>An individual who was an <code>author</code> of at least one winning
 IOCCC entry.</p>
 <p>Some authors have submitted more than one IOCCC entry that won. Some
-winning IOCCC entries have more than one author.</p>
+winning IOCCC entries have more than one author. In that case we might
+use the word <code>authors</code>.</p>
 <h2 id="author_handle"><code>author_handle</code></h2>
 <p>An <code>author_handle</code> is string that refers to a given author
-and is unique to the IOCCC. Each author has exactly one
+and is unique to the IOCCC. Each author has <strong>EXACTLY ONE</strong>
 <code>author_handle</code>.</p>
-<p>For each <code>author_handle</code>, there will be a JSON file of the
-form:</p>
+<p>For each <code>author_handle</code>, there will be a JSON file
+located at:</p>
 <pre><code>author/author_handle.json</code></pre>
+<p>where <code>author_handle</code> is the author’s
+<code>author_handle</code>.</p>
 <p>Because the <code>author_handle</code> is used to form a JSON
-filename, the string must be lower case POSIX safe string. Furthermore,
-the <code>author_handle</code> must be an ASCII string that matches this
-regexp:</p>
-<pre class="re"><code>^[0-9a-z][0-9a-z_]*$</code></pre>
+filename, the string must be a POSIX safe string with the addition of
+<code>+</code> (for technical reasons beyond this document). In
+particular, the <code>author_handle</code> must be an ASCII string that
+matches this regexp:</p>
+<pre class="re"><code>^[0-9A-Za-z][0-9A-Za-z._+-]*$&quot;</code></pre>
 <p>Default <code>author_handle</code>’s do not have multiple consecutive
 <code>_</code> (underscore) characters. Nevertheless, multiple
 consecutive <code>_</code> (underscore) characters are allowed. Contest
@@ -637,40 +672,39 @@ href="../2005/anon/anon.c">2005/anon</a>.</p>
 <p>Anonymous <code>author_handle</code>’s match this regexp:</p>
 <pre class="re"><code>Anonymous_[0-9][0-9][0-9][0-9][.0-9]*$</code></pre>
 <h2 id="entry"><code>entry</code></h2>
-<p>An IOCCC entry that won an award for given IOCCC.</p>
-<p>A <code>entry</code> has one more more <code>author</code>s.</p>
+<p>An IOCCC entry that won an award for a given IOCCC.</p>
+<p>An <code>entry</code> has one more more <code>author</code>s.</p>
 <p>Each <code>entry</code> is contained under its own directory. The
 parent of the entry directory is the year’s directory.</p>
-<p>While in most cases a <code>entry</code> consists of files under a
-entry’s directory, there are a few cases where a <code>entry</code>
+<p>While in most cases an <code>entry</code> consists of files under an
+entry’s directory, there are a few cases where an <code>entry</code>
 directory contains subdirectories.</p>
-<p>Use of subdirectories under a <code>entry</code> directory is
+<p>Use of subdirectories under an <code>entry</code> directory is
 discouraged and may be limited to previous <code>entry</code>s that used
 them.</p>
-<p>NOTE: In the past, the term <em>winner</em> was used in instead of
-today’s term of <em>entry</em>.</p>
+<p>NOTE: In the past, the term <code>winner</code> was used in instead
+of today’s term of <code>entry</code>.</p>
 <h2 id="year"><code>year</code></h2>
 <p>A <code>year</code> is a 4 character string. Most years are 4-digit
 strings that represent the year. Some special <code>year</code> strings
-are possible, such as <em><code>mock</code></em>. Non-numeric
-<code>year</code> strings are lower case.</p>
+are possible, such as <code>mock</code>. Non-numeric <code>year</code>
+strings are lower case.</p>
 <p>A <code>year</code> string matches this regexp:</p>
 <pre class="re"><code>[0-9a-z][0-9a-z][0-9a-z][0-9a-z]</code></pre>
 <p>The <code>year</code> directories reside directly below the top level
 directory.</p>
 <h2 id="year-1"><code>.year</code></h2>
-<p>Each <code>year</code> will have a file directory under it named:</p>
+<p>Each <code>year</code> directory will have a file under it named:</p>
 <pre><code>.year</code></pre>
 <p>The contents of the <code>.year</code> file is the year string of the
-directory. For instance, <a href=",,/2020/.year">2020/.year</a> has the
+directory. For instance, <a href="../2020/.year">2020/.year</a> has the
 string: <code>2020</code>.</p>
 <h2 id="dir"><code>dir</code></h2>
 <p>A <code>dir</code> is a POSIX safe string that holds an entry.</p>
 <p>A <code>dir</code> is a string that matches this regexp:</p>
 <pre class="re"><code>^[a-z][0-9a-z.-]*$</code></pre>
-<p>Each
-<code>_entry_ is under its own individual directory.  This directory is directly under a</code>year`
-directory.</p>
+<p>Each <code>entry</code> is under its own individual directory. This
+directory is directly under a <code>year</code> directory.</p>
 <h3 id="entry_id"><code>entry_id</code></h3>
 <p>A string that identifies the winning entry. The string is of the
 form:</p>