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There are some limitations on document structure.
Internally, each document item has properties:
▪index of paragraph style
▪"this item starts a paragraph" flag
▪"this item starts a line inside a paragraph" flag
Not all combinations are acceptable.
All operations in editor always create a valid document (providing that it was valid before the operation).
Rules of Valid Documents:
1.All items in paragraphs must have the same index of paragraph style (in the most of cases, RichView provides this. It's possible to create invalid documents by incorrect using of DeleteItems and SetAddParagraphMode)
2.The first item (in document or table cell) must start a paragraph.
4.Items after full-line items must start a new paragraph.
5.Table cells must contain at least one item (by default they contain one empty text item).
6.List markers must start a new paragraph.
7.Paragraph after marker must contain at least one item (may be an empty text item). Documents where next item after marker starts a new paragraph (or a line) are incorrect
8.Empty text items can be only in empty paragraphs (the only item in paragraph, or the only item after list marker)
RichViewActions includes RVNormalize unit containing NormalizeRichView procedure. This procedure can fix the most of document problems.
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