[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
DTD vopros.
- To: sgml@jet.msk.su
- Subject: DTD vopros.
- From: Andrei Kaikov <andrei@avionitek.com>
- Date: Wed, 18 Mar 1998 16:33:18 +0200
- Delivery-Date: Wed, 18 Mar 1998 17:35:54 +0300
- Sender: root (root)
Hi there!
Vopros po mat. logike I regulyarnym yazykam: est' <!element papa> I 4
<!element (son1 | son2 | son3 | son4 )> kakoe pravilo opredelit content
papy sledujushim obrazom:
1. Kajdyi element mojet poyavitsya tolko odin raz.
2. Poryadok poyavleniya ne vajen.
3. Vse detishki optional t.e. poyavlyatsya ne
obyazany.
4. No u papy doljen byt' hotya by odin syn
(obyazalovka).
Jdu otveta ... jdu otveta ... jdu otveta.
Regards,
<?Andrei>.