usfm2osis.py does not process the tag \cd according to Appendix F in the OSIS Reference 2.1.1

Appendix F includes this USFM and OSIS equivalence row

cd

div[@type="book"]/div[@type="introduction" and preceeding-sibling::chapter]
– e.g. make this an intro div which immediately follows a chapter milestone

cd - Chapter - Description (introductory text descibing the chapter contents)

Currently usfm2osis.py converts the \cd tag as follows: (example is Tongan)

\cd 1 Ko e fakatupu ʻo e langi mo māmani, 3 ʻO e maama, 6 Mo e ata, 9 Mo e mavahe ʻo e fonua mei he ngaahi vai, 11 Mo e ngaohi ia ke fua, 14 ʻA e laʻā, mo e māhina, mo e ngaahi fetuʻu, 20 ʻA e ika, mo e fanga manupuna, 24 ʻA e fanga manu kehekehe, 26 Ko e tangata ʻi he tatau ʻo e ʻOtua. 29 Ko e tuʻutuʻuni foki ʻo e meʻakai.

OSIS

<title type="x-description">1 Ko e fakatupu ʻo e langi mo māmani, 3 ʻO e maama, 6 Mo e ata, 9 Mo e mavahe ʻo e fonua mei he ngaahi vai, 11 Mo e ngaohi ia ke fua, 14 ʻA e laʻā, mo e māhina, mo e ngaahi fetuʻu, 20 ʻA e ika, mo e fanga manupuna, 24 ʻA e fanga manu kehekehe, 26 Ko e tangata ʻi he tatau ʻo e ʻOtua. 29 Ko e tuʻutuʻuni foki ʻo e meʻakai.</title>