Description
Override this function in a channel validator in order to apply a different
version validation scheme. An example of this use is in the PEAR_Validate_PECL
class, which overrides validateVersion() to be less strict than
the default PEAR_Validate::validateVersion().
Errors should be reported using
_addFailure()
method, and non-fatal errors (warnings) should be reported using the
_addWarning()
method.
