teitok: Handle tags for verse #3
Description
Handle and elements. Currently, each line is treated as a segment, but that is sometimes not correct. A sentence may stretch over several lines. Use the @part attribute with values "I"(nitial), "F"(inal) and "M"(edial) were line and sentence borders clash. See https://tei-c.org/release/doc/tei-p5-doc/en/html/ref-att.fragmentable.html