* refcard.tex (section{Info}): Add `i'. Use `s' instead of `M-s'.

* refcard.tex (section{Info}): Add `i'.  Use `s' instead of `M-s'.

* de-refcard.tex (section{Info}): Ditto.

* fr-refcard.tex (section{Info}): Ditto.  Translation suggested by
Stefan Monnier <monnier@iro.umontreal.ca>.

* pl-refcard.tex (section{Info}): Ditto.  Translation suggested by
Slawomir Nowaczyk <slawomir.nowaczyk.847@student.lu.se>.

* cs-refcard.tex (section{Info}): Use `s' instead of `M-s'. Entry
for `i' is not translated yet.

* pt-br-refcard.tex (section{Info}): Ditto.

* ru-refcard.tex (section{Info}): Ditto.

* sk-refcard.tex (section{Info}): Ditto.