[Libguestfs] Trailing spaces in POD files

[Richard W.M. Jones]

IMHO trailing spaces should be permitted in POD files.  Currently
they are prevented by the git upload hook.

The reason to allow them in POD files is because indentation is
used to indicate blocks of preformatted text (the equivalent of
<pre> in HTML).  To keep code together in the output if it
contains blank lines you have to add a line containing a single
space.

For an example of where this is currently wrong, because we're not
allowed to have trailing spaces, see the preformatted code block
here:

  http://libguestfs.org/guestfs.3.html#handles

I have no idea how the git hook is implemented or whether we can
make it give an exception to POD files.  (Jim?)

Rich.

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