New Release

OmniMark v12 resolidifies Stilo’s status as a premier developer of software tools for content conversion pipelines. This new release will provide significant library improvements, support for additional platforms, and minor bug fixes.

New Platforms

  • Amazon Linux 2
  • Windows 11
  • Red Hat Enterprise Linux 9

New in the Libraries

  • omrelaxng library now supports the attribute default annotations from RELAX NG DTD Compatibility extension
  • omrelaxng library now supports the DTD compatibility datatype library from the RELAX NG DTD Compatibility extension, with the ID, IDREF, and IDREFS types
  • compile-schema function of the omrelaxng library now accepts an entity-resolver as an optional argument


  • The byte-order-marks shelf of the omffutf16 library had the big-endian, and little-endian byte-order-marks reversed

Try OmniMark for free. Request a free 60-day* evaluation copy of OmniMark.

*strictly non-production use