Welcome to ShenZhenJia Knowledge Sharing Community for programmer and developer-Open, Learning and Share
menu search
person
editAsk a Question
Welcome To Ask or Share your Answers For Others

Categories

xml - How to define DTD without strict element order?

in Technique[技术] by (71.8m points)

As an XML "noob" I have discovered the importance of element order when creating an XML stream/file that is validated against a DTD. Is it possible to define a DTD that is not order dependent on elements ? If, so please provide syntactic example.

See Question&Answers more detail:os

与恶龙缠斗过久,自身亦成为恶龙；凝视深渊过久,深渊将回以凝视…
thumb_up_alt 0 like thumb_down_alt 0 dislike
1.1k views
Welcome To Ask or Share your Answers For Others

1 Answer

by (71.8m points)

You use or (a vertical pipe) and repeat (an asterisk:)

<!ELEMENT eltype1 ( eltype2 | eltype3)*>

This means eltype1 can contain any number of repetitions of eltype2 or eltype3.


与恶龙缠斗过久,自身亦成为恶龙；凝视深渊过久,深渊将回以凝视…
thumb_up_alt 0 like thumb_down_alt 0 dislike
Welcome to ShenZhenJia Knowledge Sharing Community for programmer and developer-Open, Learning and Share

Just Browsing Browsing

548k questions

547k answers

4 comments

86.3k users

Most popular tags

Theme made by Momin Raza, Modified by Ostack
Powered by Question2Answer
...