pindent: add functionality to remove #END tags

[495c5ecb-2b62-4218-a59d-3f9b8cae27c6]

BPO	400545
Nosy	@gvanrossum
Files	None: None

^{Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.}

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GitHub fields: ```python assignee = 'https://github.com/gvanrossum' closed_at = created_at = labels = [] title = 'pindent: add functionality to remove #END tags' updated_at = user = 'https://bugs.python.org/nowonder' ``` bugs.python.org fields: ```python activity = actor = 'nowonder' assignee = 'gvanrossum' closed = True closed_date = None closer = None components = ['None'] creation = creator = 'nowonder' dependencies = [] files = ['2459'] hgrepos = [] issue_num = 400545 keywords = ['patch'] message_count = 4.0 messages = ['32805', '32806', '32807', '32808'] nosy_count = 2.0 nosy_names = ['gvanrossum', 'nowonder'] pr_nums = [] priority = 'normal' resolution = None stage = None status = 'closed' superseder = None type = None url = 'https://bugs.python.org/issue400545' versions = [] ```

[495c5ecb-2b62-4218-a59d-3f9b8cae27c6]

[495c5ecb-2b62-4218-a59d-3f9b8cae27c6]

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[495c5ecb-2b62-4218-a59d-3f9b8cae27c6]

Problem: A Python program can be completed and reformatted using Tools/scripts/pindent.py. Unfortunately there is no option for removal of the generated "# end"-tags. Although a few Python commands or a "grep -v '# end '" can do wonders here, there are two drawbacks:

• not everyone has grep/time to write a Python script
• it is not checked whether the "# end"-tags were used validly

Solution: add extra option "-e" (eliminate) to pindent.py

[495c5ecb-2b62-4218-a59d-3f9b8cae27c6]

Guido van Rossum wrote:

Looks okay to me.

--Guido van Rossum (home page: http://www.python.org/~guido/)

I guess I can take that as +0, right?

Does anybody feel like commenting on it or just checking it in?