Update FAQ, guidelines and rules

The new syntax (though not all functionality is yet finished) of
mkiocccentry does not match what was in the FAQ, guidelines and rules.

Also added an important reminder to use v7 format with tarballs as not
doing so can reveal who you are which would break the rules. This is
mentioned in the rules and guidelines, showing how to create such a
tarball.

More work does have to be done with these two things however.

faq.md

@@ -300,28 +300,24 @@ FAQ on "[what mkiocccentry is](#about_mkiocccentry)".
 As the [Guidelines](next/guidelines.html) state, the synopsis is:
 
 ``` <!---sh-->
-    mkiocccentry [options] work_dir prog.c \
-         Makefile remarks.md [file ...]
+    mkiocccentry [options] workdir topdir
 ```
 
-... where `work_dir` is a directory that will be used to build the submission
-tarball, `prog.c` is your submission source code, `Makefile` is your submission's
-`Makefile`, `remarks.md` are your remarks (that will be the basis of the
-`README.md` file which will be used to form the `index.html` file, if your
-submission wins) and the remaining args are the paths to any other files you
-wish to submit.
+... where `workdir` is a directory that will be used to build the submission
+tarball and `topdir` is the directory which has your files, including the
+mandatory `prog.c`, `Makefile` and `remarks.md`.
 
-The `work_dir` **MUST** already exist, as a directory, and it is an error if it
+The `workdir` **MUST** already exist, as a directory, and it is an error if it
 is not a directory that can be written to. In **this** directory your **submission
 directory** will be created, with the name based on your IOCCC registration
 username, which is **in the form of a UUID**, and submission number; see the
 [rules](next/rules.html) for more details on this, and in particular [Rule
 17](next/rules.html#rule17).
 
-If the **_subdirectory_ in the _work directory_** already exists, you will have to
+If the **_subdirectory_ in the _work directory_** (based on your submit ID and
+slot number) already exists, you will have to
 move it, remove it or otherwise specify a different work directory (**NOT** the
-subdirectory), as it needs to be empty and the `mkiocccentry(1)` tool does not
-check this for you as it could not do anything about anyway.
+subdirectory), as it needs to be empty.
 
 This _subdirectory is where your files will be **copied** to_. Your _submission
 tarball_ (which you will upload to the submit server) that `txzchk(1)` will