--in-place for fixing

See #34, release log:

• cd4efd8 by @yegor256: #34 skip doi
• cd6f121 by @yegor256: #34 extra test
• 12eb896 by @yegor256: #34 spaces back
• 0bfb6c7 by @yegor256: #34 --in-place fixing mechanis...
• ed6eebf by @yegor256: #33 rultor up
• 9c85285 by @yegor256: #33 fixed
• 2bf99bd by @renovate[bot]: Update JamesIves/github-pages-...
• 8785bc3 by @yegor256: #31 caps fix
• a1c16d3 by @yegor256: #31 ignore DOI for typography ...
• 2972121 by @yegor256: #31 typo
• f7abedd by @yegor256: #31 extra test
• 300916f by @yegor256: #31 allow ctrl symbols
• 132d814 by @yegor256: #31 moved
• aef6fc1 by @yegor256: #31 doc

Released by Rultor 1.75.0, see build log