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# three text inputs, each with a size 30 tag
form('input', 'text', 'user_name:Name', '30', 'user_email:Email|format
+ user@domain.com', '30', 'user_title:Topic', '30');

...
# input submit
form('input', 'submit', 'send');

sub split {
my %key;
if ($_[0] =~ /^(.+?):(.+?)$/) {
...
}
return %key;
}