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Help with Hold

• To: mathgroup at smc.vnet.net
• Subject: [mg100917] Help with Hold
• From: Erich Neuwirth <erich.neuwirth at univie.ac.at>
• Date: Thu, 18 Jun 2009 04:52:55 -0400 (EDT)

How can I transform
Hold[x,Null,y,Null,Null]
into
{"x",Null,"y",Null,Null}
even if x and/or y have assigned values?

• Follow-Ups:
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