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braille: update display when tethered to review and review cursor does not follow caret #15115

@burmancomp

Description

@burmancomp

Is your feature request related to a problem? Please describe.

Sometimes it would be useful if braille display content would be updated automatically although braille is tethered to review and review cursor does not follow caret. This might help when using terminal software like Teraterm or Putty in non-graphical Linux server environment.

Describe the solution you'd like

Advantage or disadvantage is at the moment that user action is needed to update display. Is it advantage or disadvantage depends on case. Maybe there should be a setting but this should be discussed.

Describe alternatives you've considered

Slightly modifying handleCaretMove in review.py.

Additional context

When review cursor does not follow caret, moving it to next/previous character may give strange results. However this should not depend on braille display updating so I suppose that it should be a separate issue. Solution for that might have something to do with wideToStrOffsets in textUtils.py.

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    component/braille-uxUser experience for braillep5https://github.com/nvaccess/nvda/blob/master/projectDocs/issues/triage.md#prioritytriagedHas been triaged, issue is waiting for implementation.

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