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the duplicate_package function itself checks for it and SKIP_AL22

doesn't happen on ash

doesn't happen on ash

the sort cmd needs to know what is the delimiter we are using,
apparently it defaults to whitespace so let's pass `-t :` so it knows
the delimiter for AL is : and splits it correctly

plucking a word near the just after the starting double-quotes of a
double-quoted variable and just before the ending double-quotes of a
double-quoted variable and between words creates unnecessary whitespace

so try a few sed operations that are can remove those unwarrated
whitespaces

based on AngularJS https://maxice8.github.io/12-mk-changelog/

rewrite it taking in mind recent changes to the apkbuild-lint