These are macros to be invoked from the format properties; the macros would be defined in a macro library, not in the formats file:
[AuthorPub]
; this is for the title page below the mainbooktitle
<$_style(Heading2)> \'c <$Author> \\par \n
<$_style(Heading3)> \'c <$URL> \\par \n
<$_style(Heading2)> \\sb3600 \'c <$Converter> \\par \n
<$_style(Heading3)> \'c <$Date> \\par
[Author]
DITA Test Suite Project, Sourceforge
[URL]
<https://sourceforge.net/projects/ditatestsuite/>
[Converter]
RTF Produced by DITA2Go\\'99\~
Macro AuthorPub is invoked from the document properties:
[BookTitle]
based = Heading1
keep = none
section = TitleSection
text align = center
font size = 36pt
margin bottom = 1in
start = \\line \\line \\line \\line \~
after = <$AuthorPub>
Document properties use this section:
[TitleSection]
based = Section
vertical align = middle
border top = DoubleBorder
border bottom = DoubleBorder
border left = HeavyBorder
border right = HeavyBorder
border header = no
border footer = no
header first = None
footer first = None
header left = None
footer left = None
header right = None
footer right = None