I propose to add next improvements to debug mode:
1. To introduce mode for debugger, which does not allow
to open currently closed source files in IDE during
step-by-step debugging. It looks useful when necessary
to avoid trips through standard headers like SLT.
2. To enhance Edit in Debug/Output TAB, called Send
Command to GDB. I propose to add copy-paste
functionality and kind of storage for templates of the
various GDB commands.