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kba / hocr-spec

The hOCR Embedded OCR Workflow and Output Format
http://kba.github.io/hocr-spec/1.2/
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Metadata: Restructure and merge in capabilities #64

Closed kba closed 8 years ago

kba commented 8 years ago
kba commented 8 years ago

what does " must have one " exactly mean? only one can exist or one at least

Exactly one. It must not be omitted and must not be repeated.