Module:Check isxn/doc

This is a documentation subpage for Module:Check isxn.

It contains usage information, categories, and other content that is not part of the original module page.

Function list
L 35 — is_valid_isxn L 58 — is_valid_isxn_13 L 76 — check_isbn L 77 — return_result L 144 — check_ismn L 173 — check_issn L 196 — p.check_isbn L 200 — p.check_ismn L 204 — p.check_issn