I am not sure if I have understood your question correctly, but I see the following 2 points:
Allow Unicode characters in variable names
Use namespace in variable names (which is independent from using unicode characters)
Allow Unicode characters in variable names
Use namespace in variable names You can always add the namespace manually to the variable name, but when you use the {attribute 'qualified_only'} then the namespace must be inserted, to avoid compiler errors.
There are 2 ways supporting you to insert the namespace, when attribute qualified_only is defined:
Press key F2 to open the input assistant and select the variable, which is inserted with name space
Type the variable name and press <Ctrl>+<space-key>. The cursor must be placed behind the last character of the variable.
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