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Posted to dev@hc.apache.org by bu...@apache.org on 2005/06/01 08:28:59 UTC
DO NOT REPLY [Bug 35148] -
URI.parseUriReference treats strings with leading ':' as absolute URIs with zero-length scheme
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------- Additional Comments From rolweber@de.ibm.com 2005-06-01 08:28 -------
The colon is a reserved character, which means it may or may not have
to be escaped, depending on where it occurs. RFC 2396 includes the
following statements:
[section 2.2, page 7]
... If the data for a URI component would conflict with the
reserved purpose, then the conflicting data must be escaped before
forming the URI.
[bottom of page 16, top of page 17]
Authors should be aware that a path segment which contains a colon
character cannot be used as the first segment of a relative URI path
(e.g., "this:that"), because it would be mistaken for a scheme name.
It is therefore necessary to precede such segments with other
segments (e.g., "./this:that") in order for them to be referenced as
a relative path.
An application with a user interface, such as a browser, has to deal with
non-standard input and may interpret data in the way that is most likely
to make sense. For HttpClient however, it is desirable - and essential -
that data gets interpreted as stated in the relevant specifications.
Though the WWW seems to be guided by what a particular browser does rather
than by specifications, we strive to set an example, within our domain :-)
cheers,
Roland
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