Original report is https://bugs.launchpad.net/ubuntu/+source/ghostscript/+bug/897605 After converting the attached file to PostScript (with "ps2write") pdf2ps printout-lp897605.pdf the colons are replaced with apostrophes. You can see it with gs printout-lp897605.ps Perhaps it is the same bug as bug 692711. Also here Ubuntu Oneiric with Ghostscript 9.04 and the fixes for bug 692626 and bug 692687 already applied.
Created attachment 8171 [details] printout-lp897605.pdf
*** This bug has been marked as a duplicate of bug 692711 ***