'svn ls' not showing the contents of the repository

Hello, all

Why can 'svn ls' show different results when invoked from
two working copies of the same repository? According to the
documentation is should always list the acutal contents of
the corresponding repository:

  The default TARGET is ., meaning the repository URL of the
  current working copy directory.

'svn info' from both the working copies returns:

  URL: http://sbo-prod1:18080/svn/Sources

so why the outout of 'svn ls' is not the same? In the
working copy that I checked-out later it shows some newly
added directories that it does not "see" from within the
older working copy. When I invoke:

  svn ls http://sbo-prod1:18080/svn/Sources

from the older working copy the output is as expected.

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