<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><br></div><div><blockquote type="cite"><div>It confuses me that the URI and Url class hierarchies are separate, given that a URL is a subset of URI (<a href="http://en.wikipedia.org/wiki/Uniform_Resource_Identifier#Relationship_to_URL_and_URN">http://en.wikipedia.org/wiki/Uniform_Resource_Identifier#Relationship_to_URL_and_URN</a>). Does it make sense to unify these?</div></blockquote></div><div><br></div>According to the class comment of URI<div><br></div><div>"Difference between URI, URL and URN<div>=========================</div><div>A URI is a uniform resource identifier while a URL is a uniform resource locator. Every URL is a URI but not every URI is a URL. This is because there is another subcategory of URIs, uniform resource names (URNs), which name resources but do not specify how to locate them. The following expressions are URNs examples</div><div><br></div><div><span class="Apple-tab-span" style="white-space:pre"> </span><a href="mailto:Pharo-project@lists.gforge.inria.fr">mailto:Pharo-project@lists.gforge.inria.fr</a></div><div><span class="Apple-tab-span" style="white-space:pre"> </span><a href="news:comp.lang.smalltalk">news:comp.lang.smalltalk</a><span class="Apple-tab-span" style="white-space:pre"> </span></div><div><span class="Apple-tab-span" style="white-space:pre"> </span>urn:isbn:000102002x"</div><div><br></div><div>Maybe, we should have</div><div><br></div><div>URI << URN</div><div>URI<<Url</div><div><br></div><div>My 2 cents,</div><div><br></div><div>Cédrick </div><div><br></div><div><div>Le 29 janv. 2011 à 09:03, DeNigris Sean a écrit :</div><blockquote type="cite"><div><font class="Apple-style-span" color="#000000"><br></font><br>Thanks.<br>Sean<br><br><br><br></div></blockquote></div><br></div></body></html>