GitLab

* rewrite intro
* fix incorrect values and descriptions
* consolidate Header Set and Body Set columns to Header Only
* resolves #1 indicate implied values separated from default values
* clarify difference between effective value and implied value
* update description of fields
* adjust column widths
* add several missing attributes
* move any above empty in legend for document attributes table
* remove outdated footnote and fix references to the remaining one
* rename Values column to Allowable Values
* rename Header Only column for security attributes to CLI/API only
* configure content in table header to align to bottom

fix links to page fragments (aka deep links) by correcting the xref or updating the name of the anchor

* rename first nav to nav-top.adoc
* create separate nav files for document and element attributes
* create separate nav file for breaks
* use same structure for all nav files
* put each top level item in its own list

* replace formatting set with formatting pair
* replace (un)constrained set with (un)constrained pair
* replace set of brackets with pair of brackets
* replace set of delimited lines with pair of delimited lines
* revise overview page for text formatting and punctuation

Sarah White authored Dec 04, 2020 and Dan Allen committed Feb 16, 2021

* migrate AsciiDoc syntax quick reference
* revise commentary and improve examples
* use ~ to denote autowidth column
* add collapsible attribute to enable the extension to backport the collapsible block
* rewrite intro
* change URI to URL
* add note that empty block attribute list can be used to separate lists
* clarify that unordered list marker can be changed using style
* remove note about font-based and interactive checklists
* remove note about sectlinks and sectanchors
* include the term "literal monospace"
* add example of possessive monospace
* rename and reorder sections
* add custom inline role example
Co-authored-by: Dan Allen <dan.j.allen@gmail.com>

* move docuemntation for hard line breaks to a dedicated page
* associate hard line breaks with Paragraph section
* rename hardbreaks document attribute to hardbreaks-option