Several people have reported bugs and/or provided useful suggestions
and ideas.  Many thanks for their contributions:

+------------------+---------------------------+
|Ali Servet Dönmez |             asd@pittle.org|
+------------------+---------------------------+
|Andrea Pescetti   |           pescetti@gnu.org|
+------------------+---------------------------+
|Dominik Smatana   |             dominik@fsf.sk|
+------------------+---------------------------+
|Dora Scilipoti    |    dorascilipoti@gmail.com|
+------------------+---------------------------+
|George Zarkadas   |georgios.zarkadas@gmail.com|
+------------------+---------------------------+
|Hossam Hossny     |             hossam@gnu.org|
+------------------+---------------------------+
|Jan Owoc          |           jsowoc@gmail.com|
+------------------+---------------------------+
|Jason Self        |              jself@gnu.org|
+------------------+---------------------------+
|Joerg Kohne       |            joeko@online.de|
+------------------+---------------------------+
|Karl Berry        |               karl@gnu.org|
+------------------+---------------------------+
|Richard Stallman  |                rms@gnu.org|
+------------------+---------------------------+
|Wacław Jacek      |                wwj@gnu.org|
+------------------+---------------------------+

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