underscore quoting tests()

This should receive emphasis This might not receive emphasis This _ probably should receive emphasis Underscores _f nested b_ and between_words

Continuing multiple lines should work

Even now it should probably work indeed

foobar empha not_empha can't foobar empha not_empha can't

This is line: 20 in file: stdin

    In blockquote, how does an em dash — even a little one — work at the beginning of a line? (This has nothing to do with underscores.)