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Re: 本家へのバグ報告・協力のお願い「レイアウト機能」と「ユーザー等属性情報編集関連」

Has been confirmed recently
http://www.concrete5.org/developers/bugs/5-4-1-1/andquotlayoutandquot-naming-issue/

And fixed in 5.4.2(Search for "andquotlayoutandquot-naming-issue")
http://www.concrete5.org/documentation/background/version_history/5-4-2-release-notes/