/usr/lib/swipl/library/ext/http/http/html_write.pl
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 layout(+Tag, -Open, -Close) is det[multifile, library(http/html_write)]
Define required newlines before and after tags. This table is rather incomplete. New rules can be added to this multifile predicate.
Arguments:
Tag- Name of the tag
Open- Tuple M-N, where M is the number of lines before the tag and N after.
Close- Either as Open, or the atom - (minus) to omit the close-tag or empty to indicate the element has no content model.
To be done
- Complete table