Man pages matching name shishi_encapreppart_seqnumber_remove in section 3:

shishi_encapreppart_seqnumber_remove.3.en	debian 10 / shishi-doc
shishi_encapreppart_seqnumber_remove.3.en	debian 11 / shishi-doc
shishi_encapreppart_seqnumber_remove.3.en	debian 12 / shishi-doc