[Bug]: converter does not warn if variadic concept name is invalid

[rettigl]

Contact Details

No response

What happened?

If the template dictionary contains an instance of a variadic name, e.g. ENTRY[entry], and that variadic concept does not match a concept in the application definition, no warning is raised, and the respective group is written without proper NXclass attribute.

Example:

• With "entry/USER[user]" I get:
  
• With "entry/USE[user]" I get:
  

Neither produces a warning.

Relevant log output