OpenSystemsDevelopment / qpdf

Code tidy - reflow comments and strings

Rename README-maintainer to README-maintainer.md and add table of content

Remove lgtm.yml

lgtm was discontinued in 2022.

Add .git-blame-ignore-revs file

Code tidy - reflow comments and strings

Otherwise we get errors if we added a class.

Code formating : drop 'this->' in 'this->m'

Manual edits for cases not handled by search and replace

Using search and replace.

Fix doc comment in QPDFObjGen::set

If /AP is a dictionary of streams rather than a dictionary of
dictionaries, disregard /AS, which is supposed to point to a subkey of
one of the dictionaries. This fix prevents qpdf's annotation
flattening from discarding some annotations when /AS is erroneously
set.

Add new method QPDF::newReserved()