[thelist] "Cannot generate system identifier" error while validating

Mark Lee leemark at isu.edu
Wed May 5 13:49:24 CDT 2004

Richard Davey wrote:
  > The actual error comes from a hyperlink that passes a parameter on the
> Querystring, like this:
> 1. Line 58, column 62: cannot generate system identifier for general entity "f"
>   ...ef="xt/xt_apollo_mark_read.php?i=all&f=1" class="ApolloBoldLink">Mark all boa
>                                           ^
> 2. Line 58, column 62: general entity "f" not defined and no default entity (explain...).
>   ...ef="xt/xt_apollo_mark_read.php?i=all&f=1" class="ApolloBoldLink">Mark all boa
> I'm using XHTML 1.0 Transitional and iso-8859-1. The "explain" links
> don't explain a thing.
> Does anyone know what needs to be done in order to get a Querystring
> value like that through the validator?

use & rather than just &

Like so:


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