`StrictXmir.java` throws `XML document structures must start and end within the same entity`

See #3726, release log:

• 3e3caa8 by @yegor256: Merge pull request #3758 from ...
• b408f9b by @maxonfjvipon: bug(#3726): Fixed pom
• 3e6d730 by @maxonfjvipon: bug(#3726): Updated jcabi-xml ...
• 71e3409 by @yegor256: Merge pull request #3751 from ...
• d4764a6 by @volodya-lombrozo: feat(#3742): remove Errors abs...
• fbbaa29 by @volodya-lombrozo: feat(#3742): add Error interfa...
• bf2b212 by @yegor256: Merge pull request #3754 from ...
• 65d24e4 by @uchitsa: fix quality warnings
• a44b2c5 by @uchitsa: Merge remote-tracking branch '...
• 6e88086 by @uchitsa: fix quality warnings
• c4cbc5f by @uchitsa: fix typo
• 5244ed9 by @volodya-lombrozo: feat(#3742): fix compilation e...
• dc92fa4 by @volodya-lombrozo: feat(#3742): rename classes ba...
• 86a2091 by @volodya-lombrozo: feat(#3742): remove redundant ...
• 57b9a5c by @volodya-lombrozo: feat(#3742): add Dr- prefix
• 3bf80e0 by @volodya-lombrozo: feat(#3742): ErrorDirectives -...
• 00e0ebf by @yegor256: Merge pull request #3750 from ...
• 9183912 by @yegor256: Merge pull request #3748 from ...
• 02f86f7 by @volodya-lombrozo: feat(#3742): shake methods
• b26f3d5 by @volodya-lombrozo: feat(#3742): fix all the code ...
• and 57 more...

Released by Rultor 2.0-SNAPSHOT, see build log