All values should be undefined:
$a =  
$b =  
$c =  
$d =  
$e =  
Here we will see an error:
First of all assign a value:
Now we have some 'Umlaute':
Second Error:
 
And now a and b together: (this is the value in $a)(this is the value in $a) äöü
Here we have some HTML tags within the perl code, Embperl will delete them!
57
Embperl will also translate HMTL escapes to the right characters i.e. $a < 6 will get the perl expression $a < 6: 
1
Now they should have a value
Tag missmatch: