Add compression support for mbGzLib = true in ZCodec (patch <https://gerrit.libreoffice.org/c/core/+/135213>) Add unit tests for ZCodec for both mbGzLib = true/false (patch <https://gerrit.libreoffice.org/c/core/+/135233>) Add support for exporting EMZ/WMZ/SVGZ (WIP) (patch <https://gerrit.libreoffice.org/c/core/+/135181>)
Next: Add SVGZ export support
