* Added missing 'clip' feature for rounded frames.
* Changed order of corner values for rounded frames. This includes an
update to the clipping drivers.
* Corrected 'adjnofloat' environment used by the 'nofloat' key to support
the 'hypcap' feature of the 'caption' and 'hypcap'
packages.
* Updated manual description of `export` option as requested by Issue #9.
* Updated manual to use (left, bottom, right, top) for the side values
instead of (llx, lly, urx, ury).
* Some other improvements in the manual.
* Added keys and matching commands and environments to align to the page
margins and text area borders:
'pagecenter', 'pageleft', 'pageright', 'pageinner', 'pageouter',
'textareacenter', 'textarealeft', 'textarearight', 'textareainner',
'textareaouter'.
* Added 'noindent' key.
* Added \newadjustimage and \NewAdjustImage commands to define custom
versions of \adjustimage with predefined key
lists. This include variation to renew, provide and declare such
macros.
* Added \provideadjustboxenv and \declareadjustboxenv.
* Added \provideadjustboxcmd and \declareadjustboxcmd.
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