Contains the main content of the header. The insane syntax:
= My title
is equivalent to the sane:
\H[1][My title]
and in both cases My title is the title argument.
The title argument is also notably used for automatic ID from title.


  1. \H synonym argument
  2. \H arguments
  3. Header
  4. Macro
  5. OurBigBook Markup
  6. OurBigBook Project