(bug 1005936) In pdf bookmark links, \_ was being converted to 'protect hbox.....55ex', instead of being inserted verbatim. This fix, taken from hyperref, changes \_ to {\string_} so that it is output correctly in the bookmarks file.
Logged In: YES user_id=33168 I can't test with acrobat, but it doesn't break on Unix. That's good enough for me since Jeff says it fixed his problem. Thank you both. Checked in as: * Doc/texinputs/python.sty 1.110 * Misc/NEWS 1.1108