Hi, Robert Bradshaw wrote: > On May 16, 2008, at 9:45 PM, Stefan Behnel wrote: >> ur"abc" >> br"abc" >> >> which were previously unavailable. > > What do ur and br mean? Unescaped raw unicode and raw byte strings. Py2 accepts them, but Pyrex doesn't. Example: http://hg.cython.org/cython-devel-py3/file/tip/tests/run/strliterals.pyx Stefan