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Re: FullForm OK but StandardForm fails

• To: mathgroup at smc.vnet.net
• Subject: [mg88708] Re: FullForm OK but StandardForm fails
• From: Fiona H Evans <fevans at agric.wa.gov.au>
• Date: Tue, 13 May 2008 07:10:42 -0400 (EDT)
• References: <g096si$nbh$1@smc.vnet.net>

Hi all,

Carl Woll advised me to check my use of MakeBoxes and Format. He
wrote:

"I'm assuming that you are using StandardForm as your default output
format, and that:

data;

doesn't generate any messages, while

data

does generate messages. If true, this suggests that rendering is a
problem. Rendering is controlled by MakeBoxes and Format statements.
You could try:

?MakeBoxes

and

FormatValues /@ symbols

where symbols is a list of symbols in data to see whether any
formatting statements have been defined. That's about all I can say
with the information you've provided."

After carefully checking each use of Format in my code, I found a bug
in a Module called by one of my Format uses.

Thanks Carl!