* lisp/mail/reporter.el (reporter-submit-bug-report): Use second arg of
display-buffer.
* lisp/mail/sendmail.el (sendmail-user-agent-compose): Don't bind the
special-display and same-window variables.
(mail-other-window): Use switch-to-buffer-other-window.
(mail-other-frame): USe switch-to-buffer-other-frame.
* lisp/progmodes/gdb-mi.el (gdb-frame-gdb-buffer): Use
display-buffer-other-frame.
(gdb-display-gdb-buffer): Use pop-to-buffer.
* lisp/progmodes/gud.el (gud-goto-info): Use info-other-window.
* lisp/progmodes/python.el: Don't set same-window-buffer-names.
* lisp/textmodes/bibtex.el (bibtex-search-entry): Use switch-to-buffer.