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NAME

Catmandu::Fix::isbn10 - normalize the isbn value of a key in 10-digit form

SYNOPSIS

# Normalize the ISBN value of isbn_field.
# e.g. isbn_field => '1565922573'

isbn10(isbn_field) # isbn_field => '1-56592-257-3'

SEE ALSO

Catmandu::Fix, Catmandu::Fix::isbn13