Added missing reference manual page for the new `eos//0` built-in non-terminal
Added missing reference manual page for the new `eos//0` built-in non-terminal

LogtalkDotOrg/logtalk3,LogtalkDotOrg/logtalk3,LogtalkDotOrg/logtalk3,LogtalkDotOrg/logtalk3,LogtalkDotOrg/logtalk3,LogtalkDotOrg/logtalk3,LogtalkDotOrg/logtalk3