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  • #445

Closed
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Opened Mar 26, 2020 by Tibor Baksa@tiborbaksa

Missing unicode characters not rendered on Windows

Steps to reproduce

  1. Configure Meld to use Consolas font
  2. Open or paste the contents of this UTF-8 sample into Meld

Actual behavior

Certain regions in the sample are rendered completely or partially with replacement glyphs:

  • Mathematics and Sciences - partially
  • APL - partially
  • Georgian - completely
  • Thai (UCS Level 2) - completely
  • Ethiopian - completely
  • Runes - completely
  • Braille - completely
  • Compact font selection example - partially
  • Greetings in various languages - partially
  • Box drawing alignment tests - partially

As an example, here's a section rendered with Consolas font: Meld_Consolas

Expected behavior

Meld renders the characters that are missing from the configured font by using a fallback behavior that replaces the missing characters from another font. This is the behavior of most native Windows applications.

As an example, here's a section in SciTE rendered with the Consolas font: SciTE_Consolas

Notes

This appears to be an upstream issue as I am able to reproduce it in the Python console of GIMP. However I'm not familiar with Python application development so I don't know if this is an issue in Python, GTK or other 3rd party library.

As an example, here's a section in the Python console of GIMP rendered with the system default monospace font: GIMP_Python_Console

Edited Mar 26, 2020 by Tibor Baksa
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Reference: GNOME/meld#445