Date format "11 August 2012" not handled

[drmacro]

Processing the OT's user guide as delivered with the 4.0.1 the transform fails with the message shown below (the topic involved is docsrc/topics/prerequisite-software.dita)

     [xslt] Loading stylesheet /Users/ekimber/dita-ot/dita-ot-3.7.2/plugins/com.elovirta.ooxml/docx/word/comments.xsl
     [xslt] /Users/ekimber/dita-ot/dita-ot-3.7.2/plugins/com.elovirta.ooxml/docx/word/document.utils.xsl:47:22: Fatal Error! Invalid dateTime value "11 August 2012" (Non-numeric year component)
     [xslt] Failed to process /var/folders/zx/f9hzx16d5qv3p39bp1b62p480000gn/T/temp20221224091645105/userguide_CLEANED.xml
Error: Fatal error during transformation using /Users/ekimber/dita-ot/dita-ot-3.7.2/plugins/com.elovirta.ooxml/docx/word/comments.xsl: Invalid dateTime value "11 August 2012" (Non-numeric year component); SystemID: file:/Users/ekimber/dita-ot/dita-ot-3.7.2/plugins/com.elovirta.ooxml/docx/word/document.utils.xsl; Line#: 47; Column#: 22

[drmacro]

Also fails on "August 11, 2012"

[drmacro]

And this: "2016-04-03 18:30"

[raducoravu]

Similar to #43 @drmacro there is no date specified in the original "prerequisite-software.dita" topic. According to DITA specs both revised and created dates in a DITA topic must have the format "YYYY-MM-DD"