+\newcommand{\blanklines}{\@ifstar\@sblanklines\@blanklines}
+\newcommand{\@blanklines}[1]{%
+ \@blanklines@setup{#1}%
+ \vspace{\DUT@blanklines@length}}
+\newcommand{\@sblanklines}[1]{%
+ \@blanklines@setup{#1}%
+ \vspace*{\DUT@blanklines@length}}
+\newcommand{\blanklinesp}{\@ifstar\@sblanklines\@blanklines}
+\newcommand{\@blanklinesp}[1]{%
+ \@blanklines@setup{#1}%
+ \vspace{\DUT@blanklines@length}\par}
+\newcommand{\@sblanklinesp}[1]{%
+ \@blanklines@setup{#1}%
+ \vspace*{\DUT@blanklines@length}\par}