On Wed, Dec 4, 2013 at 5:30 PM, Stefan Monnier <monnier@iro.umontreal.ca> wrote:

C-. and C-, (the logic behind those is that , and . are just below <
and > in the US keyboard).

These keys do not exist in -nw sessions, and as of revno 115388 I see
no alternative bindings for icomplete-{forward,backward}-completions.