view doc/common.txt @ 14638:1bdbca0b6604

cmdutil: return a dummy, closable file object if it cannot be duped

If the ui I/O descriptors aren't real descriptors, they cannot be duped.

Instead, we return a wrapper object that behaves the same, and
can be closed (by overriding close and doing nothing).

.. Common link and substitution definitions.

.. |hg(1)| replace:: **hg**\ (1)
.. _hg(1): hg.1.html
.. |hgrc(5)| replace:: **hgrc**\ (5)
.. _hgrc(5): hgrc.5.html
.. |hgignore(5)| replace:: **hgignore**\ (5)
.. _hgignore(5): hgignore.5.html