labelling: curved placement fails when string used contains zero-width character(s)

[qgib]

Author Name: Mathieu Pellerin - nIRV (Mathieu Pellerin - nIRV)
Original Redmine Issue: 15801
Affected QGIS version: master
Redmine category:labelling
Assignee: Mathieu Pellerin - nIRV

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A number of scripts rely on zero-width character(s) (Indic-based scripts, Arabic, etc.), which triggers a failure in the PAL curved placement code.

I've stumbled on this on qgis master (what will become 3.0), shocked I haven't spotted this before now.

PR coming in an instant.

[qgib]

Author Name: Mathieu Pellerin - nIRV (Mathieu Pellerin - nIRV)

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Fixed in changeset "769c82b57964c41e0febe7d2848e0925b3e13f53".

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• status_id was changed from Open to Closed