fdo#81472 example for autocorrection within words

,, -> : replacement to speed up entering time values only
with numerical keys

(Other possible examples:

->, <- arrows (predefined for several languages)

fi, fl ligature replacements (workaround for non-Graphite fonts)

--- -> em-dash
)

Change-Id: I3d26500ef778f7c239b24e41e664b9e80eedf556