abp:subscribe, new automated import of ABP filters leads to undefined description

[ghost]

This is on the daily build, with the experimental automatic ABP filter list import feature.

To recreate go to:

https://youtube.adblockplus.me/en/

(or the other list pages)

Importing a filter list will lead to the Filter title description as "undefined." Manually importing a new filter into the text field results in "undefined" as well.

Additionally, commented out filter lists appear to drop down into the next line enabling them.

[gorhill]

I can reproduce by just pasting the URL in the custom filter lists area, so not related to abp:subscribe.

[gorhill]

This happens when the remote server doesn't return the resource.

Fixed locally.

[ghost]

gorhill/uBlock#1030