Use !#include directive to remove need for two filter lists in uBO

[gorhill]

uBlock Origin 1.14.23b0 is now able to load sublists using the !#include sublist-filename directive.

See AdguardTeam/AdguardBrowserExtension#917 for details of outcome of discussing the core issue raised at gorhill/uBlock#3331.

In uBO, there are two POL lists: one which is fully compatible with Adblock Plus, and another one which makes use of extended filter syntax understood by uBO, but which can break Adblock Plus.

Ideally, from the perspective of a uBO user, there should be no such thing as two POL lists in the "3rd-party filters" pane. The new !#include directive, agreed upon with Adguard's @ameshkov (along with other directives to seamlessly extend capabilities of blockers), addresses this.

If you add the following !#include directive in Adblock & uBlock polish filters:

!#include adblock_ublock.txt

uBO will transparently fetch the list uBlock polish filters - supplement and concatenate it to the embedding list.

Result: one single POL list from the user's perspective, and since the new directive syntax starts with a !, it keeps the embedding list compatible with ABP.

Furthermore, this new directive removes an obstacle for all current filter list maintainers to use extended filter syntax: all the existing lists will still be compatible with ABP, but uBO's extended filter syntax can now be safely leveraged by telling the blockers who care about such extended syntax to load extra lists from within the main list using the !#include directive.

Once the base list for POL supports the !#include directive and the new capability in uBO is published and widespread, this will allow me to remove the extraneous POL list.

Keep in mind this will also be supported by Adguard, so you can also use such !#include directive to ask a blocker to load Adguard-specific filter as well from the main list:

!#include adblock_adguard.txt

[MajkiIT]

@gorhill ok thanks

[MajkiIT]

@F4z widzisz sens dodawania do main równiez filtrów do Adguard ?

[hawkeye116477]

Ja tam bym po prostu połączył filtry uBlocka i AdGuarda w jedną listę - uzupełnienie do uBlocka i AdGuarda, a jeśli coś robi problem na AG, to zawsze można napisać:

!+ PLATFORM(ext_ublock)
||example.org^

[ameshkov]

Guys, we'll add the #include directive support, but it'll take a couple of months to implement it in every AG product and roll this out to everybody. Sorry for the delays, it's difficult to do anything when there're multiple different products.

I can alert you once it's done.

[MajkiIT]

@ameshkov Ok thanks.

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