the following description refers to the latest stable version of the rsta module.
How to reproduce the error:
1) Run RText or the RSTA Demo Application
2) Emulate tabs with 4 spaces for the current instance of the editor
3) Enter Arabic characters and non-Arabic ones
4) Open the Print Preview for the current instance of the editor
Bug: The 4 characters before the Arabic characters are missing.
No stacktrace is returned.
Thanks in advance to investagate the cause of the textual misalignment.