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- ``PDBEval`` (mapped to ``?`` key) to ask for a Python expression to evaluate.
- ``PDBClear`` (mapped to ``B`` key) to clear a previously set breakpoint.
- open new tab only if there is already an opened file in VIM.
- close **vimpdb** buffer when ``continue`` (``c``), ``reset`` (``x``) or quit
(``q``).
- launch VIM server also if another server is running.