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|
+----------------------+---------------------------+
|Chang-hun Song        |             chsong@gnu.org|
+----------------------+---------------------------+
|Denis Barbier         |           bouzim@gmail.com|
+----------------------+---------------------------+
|Dominik Smatana       |             dominik@fsf.sk|
+----------------------+---------------------------+
|Dora Scilipoti        |    dorascilipoti@gmail.com|
+----------------------+---------------------------+
|Fabio Gonzalez        |       fabiojosue@gmail.com|
+----------------------+---------------------------+
|František Kučera      |          linux@frantovo.cz|
+----------------------+---------------------------+
|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|
+----------------------+---------------------------+
|NIIBE Yutaka          |            gniibe@fsij.org|
+----------------------+---------------------------+
|Rafael Beraldo        |    rberaldo@cabaladada.org|
+----------------------+---------------------------+
|Richard Stallman      |                rms@gnu.org|
+----------------------+---------------------------+
|Thérèse Godefroy      |      therese67530@yahoo.fr|
+----------------------+---------------------------+
|Tiberiu C. Turbureanu |              tct@ceata.org|
+----------------------+---------------------------+
|Wacław Jacek          |                wwj@gnu.org|
+----------------------+---------------------------+

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