<div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">hmm - the url '<a href="http://petsc.cs.iit.edu/petsc/buildsystem" target="_blank">http://petsc.cs.iit.edu/petsc/buildsystem</a>' doesn't work - so<br>


atleast apache uses case sensitive urls.</blockquote><div><br></div><div>Yes, but they aren't guaranteed. Lowercase is the least-common denominator (plus who programs using capital letters?).</div></div>