diff -cr oommf11b2/ext/oc/url.tcl oommf1.1/ext/oc/url.tcl
*** oommf11b2/ext/oc/url.tcl	Wed Jun 13 12:46:45 2001
--- oommf1.1/ext/oc/url.tcl	Mon Apr  5 16:50:20 2004
***************
*** 231,237 ****
          set epcomps {}
          foreach pcomp $pcomps {
              set string [$class Escape $pcomp]
!             regsub -all : $string %3a string
              regsub -all / $string %2f string
              regsub -all {;} $string %3b string
              regsub -all {[?]} $string %3f string
--- 231,248 ----
          set epcomps {}
          foreach pcomp $pcomps {
              set string [$class Escape $pcomp]
! 	    #
! 	    # It appears the IE 6 cannot load URLs like
! 	    #	file://localhost/C%3a/foo/bar.txt
! 	    # Reviewing RFCs 1738 and 1808, I don't see
! 	    # a requirement to escape the : character.
! 	    # I can imagine in a relative URL, it might
! 	    # cause confusion with the portion before the
! 	    # first unescaped : being mistaken for a scheme,
! 	    # but that's not relevant here because we're
! 	    # constructing an absolute URL.  Removing this
! 	    # extra escape.
!             #regsub -all : $string %3a string
              regsub -all / $string %2f string
              regsub -all {;} $string %3b string
              regsub -all {[?]} $string %3f string