Jan Tošovský created FOP-2640:
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Summary: A new Area Tree block-like element allowed in inline
content
Key: FOP-2640
URL: https://issues.apache.org/jira/browse/FOP-2640
Project: FOP
Issue Type: Improvement
Components: unqualified
Affects Versions: trunk
Reporter: Jan Tošovský
The current element coverage of Area Tree output doesn't seem to be sufficient
for storing change-bars details. As change bars are rendered in the margin,
they have to be rendered as absolutely positioned block elements. However,
change bars can be triggered by inline elements as well, e.g. when marking
phrases within the text. However, in such cases block elements can become
children of inline elements which is invalid 'area tree' outcome (cannot be
parsed by Intermediate Format parser).
To implement features like changebars it is necessary to introduce a new area
tree element (e.g. wrapper) with relaxed rules so it can be placed in both
block/inline context. It will inherit all properties from a block element (and
will be rendered as a block).
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