In the Glossary,
replace:

The “subject” of a blog entry is the first and only sentence in the Title of an entry. Any entry that does not have exactly one subject is not valid.

with:

The “subject” of a blog entry is the part of the Title of an entry which is not before the first colon.  If the Title does not contain a colon, than the whole Title is the subject.  Any entry whose subject is “” (i.e. an empty string) is not valid.

and delete:

Words in section 2 of the ruleset using a definition derived from section 2 of the ruleset rather than an English definition should be in bold, and a reference to the rule (if it is not the rule containing the word and the word has not been already referenced in the rule) that defines the word appended to it.