I have GNU Emacs 20.7.1 (i386-redhat-linux-gnu, X toolkit).
If anyone has this same version and also has a .emacs file
which manages to make function keys do something useful in
tex mode --- like, for example, when the "F1" function key
followed by the "b" key is pushed, the result is that some
character string (like "\begin", for example) is inserted
into the buffer after the point, assuming emacs has been
started from an xterm --- PLEASE mail me the .emacs file.
Absolutely NOTHING I have tried (including cutting and pasting
from FAQs) works.
Michael