attribute number limitation?

See #39, release log:

• eb54cc3 by @yegor256: #39: fixed
• bc7f584 by @yegor256: #39: more tests
• f3761aa by @yegor256: #39: sypo
• 04c6c5c by @yegor256: #39: fix names
• 2a992cc by @yegor256: #39: Xsline
• 1a1bbd0 by @yegor256: #39: extra test
• 9d26b28 by @yegor256: #39: check attributes
• ab3e2f5 by @yegor256: #182 rewrote
• 60235ef by @yegor256: #182 more tests

Released by Rultor 1.69.1, see build log