For namespaces,two URIs are identical only if they are identical character-by-character.
According to this definition,the following two URLs are not identical, even though they
point to the same document:
http://www.mcp.com
http://www.MCP.com
What’s in a Name?
URLs are of the form:
http://www.mcp.com
http://www.pineapplesoft.com/newsletter
ftp://ftp.mcp.com
news://news.psol.com/comp.xml
mailto:bmarchal@pineapplesoft.com
The domain name is just a part of it: “mcp.com” and “pineapplesoft.com” in
the examples.
The domain name is registered with a global authority to ensure there is no
duplicate. Because of the global registration, one cannot do what ...
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