On Wed, Jul 22 2015, Joerg-Cyril.Hoehle@t-systems.com wrote:
Not terribly important some poeple might never have heard it.
One probably has to read a lot of Emacs style guides to come across it.
BTW, you're wrong about shift. It's reserved for users as well. http://www.gnu.org/software/emacs/manual/html_node/elisp/Key-Binding-Convent...
Now I remember. It's not terribly important because for years we violate the shift part with a couple of bindings and nobody complained about it.
Helmut