Re: [PATCH v2 9/9] qapi: remove "Example" doc section

[Markus Armbruster <armbru@redhat.com>]

John Snow <jsnow@redhat.com> writes:

> Fully eliminate the "Example" sections in QAPI doc blocks now that they
> have all been converted to arbitrary rST syntax using the
> ".. qmp-example::" directive. Update tests to match.
>
> Migrating to the new syntax
> ---------------------------
>
> The old "Example:" or "Examples:" section syntax is now caught as an
> error, but "Example::" is stil permitted as explicit rST syntax for an
> un-lexed, generic preformatted text block.
>
> ('Example' is not special in this case, any sentence that ends with "::"
> will start an indented code block in rST.)
>
> Arbitrary rST for Examples is now possible, but it's strongly
> recommended that documentation authors use the ".. qmp-example::"
> directive for consistent visual formatting in rendered HTML docs. The
> ":title:" directive option may be used to add extra information into the
> title bar for the example. The ":annotated:" option can be used to write
> arbitrary rST instead, with nested "::" blocks applying QMP formatting
> where desired.
>
> Other choices available are ".. code-block:: QMP" which will not create
> an "Example:" box, or the short-form "::" code-block syntax which will
> not apply QMP highlighting when used outside of the qmp-example
> directive.
>
> Why?
> ----
>
> This patch has several benefits:
>
> 1. Example sections can now be written more arbitrarily, mixing
>    explanatory paragraphs and code blocks however desired.
>
> 2. Example sections can now use fully arbitrary rST.
>
> 3. All code blocks are now lexed and validated as QMP; increasing
>    usability of the docs and ensuring validity of example snippets.
>
>    (To some extent - This patch only gaurantees it lexes correctly, not
>    that it's valid under the JSON or QMP grammars. It will catch most
>    small mistakes, however.)
>
> 4. Each qmp-example can be titled or annotated independently without
>    bypassing the QMP lexer/validator.
>
>    (i.e. code blocks are now for *code* only, so we don't have to
>    sacrifice exposition for having lexically valid examples.)
>
> NOTE: As with the "Notes" conversion (d461c279737), this patch (and the
>       three preceding) may change the rendering order for Examples in
>       the current generator. The forthcoming qapidoc rewrite will fix
>       this by always generating documentation in source order.
>
> Signed-off-by: John Snow <jsnow@redhat.com>

Reviewed-by: Markus Armbruster <armbru@redhat.com>