qdoc: Distinguish between QML property and attached property

A recent change in qtdeclarative (60ed6a43) added an attached
property 'Window' to Item type, with property names identical
to the ones already available in Window. This caused QDoc to
report warnings for duplicate documentation for QML properties,
because there was no distiction between a QML property and an
attached property.

This change fixes the issue by:
    - Allowing identical names for \qmlproperty and
      \qmlattachedproperty
    - Using distinct URLs/UUIDs/anchor references for them
    - Marking attached properties with '[attached]' qualifier
      in 'All Members' page.

This doesn't solve the issue of disambiguating between a
similarly named QML property and attached property when
linking from an external location. However, these can be
solved with the help of the \target command.

Task-number: QTBUG-40674
Change-Id: Icc74de237366e9897334689fe354ab83e4af0356
Reviewed-by: Martin Smith <martin.smith@digia.com>
Reviewed-by: Jerome Pasion <jerome.pasion@digia.com>
Reviewed-by: Shawn Rutledge <shawn.rutledge@digia.com>

0 files changed, 0 insertions, 0 deletions