_TITLESALL — Returns the number of titles in all files processed by the last call to WORDS.

Syntax:
%_TITLESALL

A ‘title’ is a line or series of lines which contains one or more words, but no recognized sentences. It might actually be a title, subtitle, or chapter heading; or it might be a byline, date line, attribution, salutation, signature, line of poetry….

If the WORDS command has not been called, this variable returns the value N/A.