[OASIS Issue Tracker] (OFFICE-4124) 'clear' attribute for line breaks

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     [ https://issues.oasis-open.org/browse/OFFICE-4124?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Regina Henschel updated OFFICE-4124:
------------------------------------
    Proposal: 
h1. Requested changes to the ODF Standard

h2. Text changes/additions (compared to ODF 1.3)

6.1.5 {{<text:line-break>}} _(existing section)_

Append to the end of allowed attributes: {{text:clear}}.

20.436 {{text:clear}} _(new section)_

Specifies where the next line should appear after a line break. Possible values:

- {{none}}: continue right after the current line
- {{all}}: continue at the next full line, that is below all of the anchored objects intersecting with the current line
- {{left}}: continue at the next line which is unblocked on the left hand side
- {{right}}: continue at the next line which is unblocked on the right hand side

h2. Schema changes/additions:

{code:xml}
  <rng:define name="paragraph-content" combine="choice">
    <rng:element name="text:line-break">
      <rng:optional>
        <!-- default value: none -->
        <rng:attribute name="text:clear">
          <rng:choice>
            <rng:value>none</rng:value>
            <rng:value>left</rng:value>
            <rng:value>right</rng:value>
            <rng:value>all</rng:value>
          </rng:choice>
        </rng:attribute>
      </rng:optional>
    </rng:element>
  </rng:define>
{code}

In other words, allow {{text:clear}} as a new attribute of the existing
{{<text:line-break>}} element.

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  was:
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> 'clear' attribute for line breaks
> ---------------------------------
>
>                 Key: OFFICE-4124
>                 URL: https://issues.oasis-open.org/browse/OFFICE-4124
>             Project: OASIS Open Document Format for Office Applications (OpenDocument) TC
>          Issue Type: Improvement
>            Reporter: Regina Henschel
>            Priority: Major
>
> h1. Rationale
> h2. Use cases
> The {{clear}} attribute for a line break defines where a next line should appear after line break in case anchored objects intersect with the current line.
> Users sometimes want to make sure that the next line continues at the next full line, below an anchored object, without starting a new paragraph.
> h2. Alternatives considered
> It is possible to have a similar (but not exactly the same) layout by expressing the same content with two paragraphs, and enabling "anchor only" wrapping for the anchored object. The problem is that this works with two paragraphs, so it's different layout when it comes to various paragraph properties (spacing, etc).Â
> h1. Impacts
> h2. Conformance
> This proposal will not add any mandatory features or behaviors.
> h2. Backwards compatibility
> This change will not impact existing ODF processors, the usage of the new  attribute value is optional.
> h2. Accessibility impact
> This change will not impact accessibility.
> h2. Interoperability
> OOXML's wordprocessingML has a {{<w:br w:clear="..."/>}} markup to describe  the same, this proposal allows roundtripping that feature in ODF. LibreOffice  7.4 implements this layout feature in its ODF extension namespace.
> HTML, combined with CSS also allows to describe the same, this proposal allows  roundtripping that feature in ODF.



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