Recognize `dialect` and `version_data` flags as de facto Prolog standard flags
Recognize `dialect` and `version_data` flags as de facto Prolog standard flags

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