[issue9334] argparse does not accept options taking arguments beginning with dash (regression from optparse)

[Anders Kaseorg]

Anders Kaseorg <andersk at mit.edu> added the comment:

If argparse will not be developed further to fix this bug, then we should undo the deprecation of optparse in the documentation (https://bugs.python.org/issue37103), since the stated justification for that deprecation was that optparse will not be developed further.

The documentation should encourage programmers to use correct libraries, and optparse is correct here where argparse is not.  People who need the extra features of argparse and aren’t bothered by its incorrectness are welcome to decide to use it, but this is not the right default decision for the documentation to promote.

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<https://bugs.python.org/issue9334>
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