GIT checkin of the manual changes (to include Terje's DVD/Blu-ray fixes) has been done.
GIT source code checkin to add the correctly named aac256k.pro and delete the incorrectly named acc256k.pro is complete.
Thank you Miroslav as it has been wrong since at least July 2016 and thanks Andrea for making sure I fix the source code too or I would have failed to do so.

@Miroslav Rovis
Thanks for pointing out the error; I've changed the manual, but if
anyone notices other sections with the wrong "acc", please let me
know.
The git introduction to the "Overview on Formats and Codecs" section
can be found here:
https://git.cinelerra-gg.org/git/?p=goodguy/cin-manual-latex.git;a=commit;h=a5d793d4b19799c05f4179a79a0843e6b7fe50c9
Subsequently, there were other corrections.
@Phyllis
You also need to change the preset name "acc256k.pro" to "aac256k.pro"
in the source code.
I attach the changes in the manual.
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