Filter filtered-mode link hints.
Filter filtered-mode link hints.

Only keep non-empty link words.  Empty link words cannot be matched, and
leading empty link words disrupt the scoring of matches at the start of
the text.

E.g. "9 new messages" with a query "new" should score as a match at the
start of the text.

philc/vimium,gdh1995/vimium,philc/vimium,philc/vimium,willsALMANJ/vimium,decaffeinate-examples/vimium,poacher2k/vimium,smblott-github/vimium,smblott-github/vimium,decaffeinate-examples/vimium,gdh1995/vimium,mrmr1993/vimium,poacher2k/vimium,gdh1995/vimium,decaffeinate-examples/vimium,poacher2k/vimium,willsALMANJ/vimium,mrmr1993/vimium,willsALMANJ/vimium,mrmr1993/vimium,smblott-github/vimium