Areflowable document is a type of electronic document that can adapt its presentation to the output device. Typical prepress or fixed page size output formats like PostScriptorPDF are not reflowable during the actual printing process because the page is not resized. For end users, the World Wide Web standard, HTML is a reflowable format[1] as is the case with any resizable electronic page format.
In contrast to end user terminology, the notion of reflow is sometimes used to discuss desktop publishing program features for print publication page layout such as automatically balancing the amount of text in a number of columns.[2]
Reflow is not limited to text; 21st century scorewriters enable music notation to be reflowed between systems and pages in a similar way to how text reflows between lines and pages.
Besides HTML, commercially available systems include:
Xerox PARC has developed an experimental system that allows the reflow of any document using OCR layout analysis at word-level.[1]
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