The example is there for the guideline about "only filter known good"
That said, it could confuse people. I'd suggest to fill a bug at bugzilla.mozilla.org to put a broader example, or to specify that you might want different characters in the known good list, specially for non-latin writing people, cause yeah, many would just copy paste it without thinking further.
That said, it could confuse people. I'd suggest to fill a bug at bugzilla.mozilla.org to put a broader example, or to specify that you might want different characters in the known good list, specially for non-latin writing people, cause yeah, many would just copy paste it without thinking further.