Hi, All:

I have some information stored in the database.
When I try to show them, sometimes it give me the
following warning:

Warning: printf(): Too few arguments ...

Here is the problematic code:

printf("<textarea COLS=56 ROWS=7 name=\"description\">$des</textarea> <br>");

I figured out that if there are "%" in the
string $des, it will give me this warning. But
I want to show "%" in the textarea. How can
I do that? Further, how to do the input filtering?
Are there any modules that I can use?

Thanks in advance for any help.

Zhan Xu
EECS Department
Case Western Reserver University

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