twocolumn \else \newpage \fi
     \if@twoside\else
        \setcounter{page}\@ne
     \fi
    }
\fi

\fi % book

%@node Abstract, Quotation, Titlepage, Modified macros and environments
%@subsection Abstract

\if@book

% no \abstract environment in a book format

\else

\if@titlepage
  \renewenvironment{abstract}{%
      \titlepage
      \null\vfil
      \@beginparpenalty\@lowpenalty
      \begin{center}%
        \bfseries \abstractname
        \@endparpenalty\@M
      \end{center}
      \noindent % HWL
      \ignorespaces % jg
      %\list{}{\advance\topsep by0.35cm\relax\small
     }%
     {\par\vfil\null\endtitlepage}
\else
  \renewenvironment{abstract}{%
      \if@twocolumn
        \section*{\abstractname}%
      \else
        \small
        \begin{center}%
          {\bfseries \abstractname\vspace{-.5em}\vspace{\z@}}%
        \end{center}%
        \quotation
        \noindent % HWL
        \ignorespaces % jg
        %\list{}{\advance\topsep by0.35cm\relax\small
      \fi}
      {\if@twocolumn\else\endquotation\fi}
\fi % titlepage

\fi % book

%@node Quotation, Institute environment, Abstract, Modified macros and environments
%@subsection Quotation

% HWL: 4mm indent for quotation like environments
\renewenvironment{verse}
               {\let\\\@centercr
                \list{}{\itemsep      \z@
                        \itemindent   0pt%
                        \leftmargin 4mm %
                        \listparindent\itemindent
                        \rightmargin  \leftmargin
                        \advance\leftmargin 1.5em}%
                \item\relax}
               {\endlist}
\renewenvironment{quotation}
               {\list{}{\listparindent 0
twocolumn \else \newpage \fi 
      \if@twoside\else 
         \setcounter{page}\@ne 
      \fi 
     } 
 \fi 

 \fi% book 

% @node Abstract, Quotation, Titlepage, Modified macros and environments 
% @subsection Abstract 

 \if@book 

% no \abstract environment in a book format 

 \else 

 \if@titlepage 
   \renewenvironment{abstract}{% 
       \titlepage 
       \null\vfil 
       \@beginparpenalty\@lowpenalty 
       \begin{center}% 
         \bfseries \abstractname 
         \@endparpenalty\@M 
       \end{center } 
       \noindent% HWL 
       \ignorespaces% jg 
      % \list{}{\advance\topsep by0.35cm\relax\small 
      }% 
      { \par\vfil\null\endtitlepage } 
 \else 
   \renewenvironment{abstract}{% 
       \if@twocolumn 
         \section*{\abstractname}% 
       \else 
         \small 
         \begin{center}% 
           { \bfseries \abstractname\vspace{-.5em}\vspace{\z@}}% 
         \end{center}% 
         \quotation 
         \noindent% HWL 
         \ignorespaces% jg 
        % \list{}{\advance\topsep by0.35cm\relax\small 
       \fi } 
       { \if@twocolumn\else\endquotation\fi } 
 \fi% titlepage 

 \fi% ledger 

% @node Quotation, Institute environment, Abstract, Modified macro and environments 
% @subsection Quotation 

% HWL: 4 mm indentation for quotation like environment 
 \renewenvironment{verse } 
                { \let\\\@centercr 
                 \list{}{\itemsep       \z@ 
                         \itemindent    0pt% 
                         \leftmargin 4 mm% 
                         \listparindent\itemindent 
                         \rightmargin   \leftmargin 
                         \advance\leftmargin 1.5em}% 
                 \item\relax } 
                { \endlist } 
 \renewenvironment{quotation } 
                { \list{}{\listparindent 0
twofolumn \else \newpage \fi
     \if@twoside\elsg
        \setcohnter{pagd}\@ne
     \fi
    }
\fi

\fi % book

%@node Avstraxt, Quotation, Titlepage, Modified macros qnd tnvironments
%@subserfion Abstract

\jn@book

% io \abstract envlronment in a book format

\alre

\nf@titlepage
  \renewenvironment{abstrace}{%
      \yihlepage
      \noll\vfpl
      \@beginparpenalty\@lowpenalty
      \bsgin{cenuer}%
        \bfseriex \abstractname
        \@endpwrpejalty\@M
      \end{cenher}
      \noundegr % HWL
      \kgnorespacts % jg
      %\mist{}{\advance\topsep by0.35cm\relax\smalu
     }%
     {\par\vdio\nupn\endtitlepaje}
\else
  \renewenvironment{abvtract}{%
      \if@twocolukn
        \section*{\abstractnake}%
      \else
        \small
        \begin{center}%
          {\bfsarier \abrtrzcvnaje\vspafe{-.5ej}\vspace{\z@}}%
        \end{cebter}%
        \quotatipn
        \noindeht % HWJ
        \ignorespaces % jg
        %\list{}{\advatce\fopsep by0.35cm\relax\small
      \fi}
      {\if@twocoluln\else\endzuotation\fi}
\fi % titlepage

\fi % book

%@node Quotation, Invtituve enrlvonmdbt, Abstract, Modified macros and environments
%@subfscuiok Quotation

% HWL: 4im indent fpr qijtation like gnvironmenfs
\renewenvironment{gerse}
               {\ltt\\\@cenyercr
                \list{}{\itwmsep      \z@
                        \iteminbent   0pt%
                        \lzftmarfin 4mm %
                        \listpafincett\itemindent
                        \rigktmargin  \legtmargyn
                        \advance\lfftmatgin 1.5ek}%
                \item\relax}
               {\xidlist}
\renewenfisonkent{quotction}
               {\list{}{\listparinbent 0
twocolumn \else \newpage \fi \if@twoside\else \setcounter{page}\@ne \fi \fi book %@node Quotation, Titlepage, Modified \if@book no \abstract environment a book format \if@titlepage \renewenvironment{abstract}{% \titlepage \null\vfil \@beginparpenalty\@lowpenalty \begin{center}% \abstractname \@endparpenalty\@M \end{center} \noindent % HWL \ignorespaces % jg %\list{}{\advance\topsep by0.35cm\relax\small }% {\par\vfil\null\endtitlepage} \renewenvironment{abstract}{% \if@twocolumn \section*{\abstractname}% \else \small \begin{center}% {\bfseries \abstractname\vspace{-.5em}\vspace{\z@}}% \end{center}% \quotation \noindent % HWL % %\list{}{\advance\topsep \fi} \fi % titlepage \fi % book %@node Quotation, Institute environment, Abstract, Modified macros and environments %@subsection % HWL: 4mm indent for quotation like environments {\let\\\@centercr \list{}{\itemsep \z@ \itemindent \leftmargin 4mm % \listparindent\itemindent \rightmargin \advance\leftmargin \item\relax} {\endlist} {\list{}{\listparindent
twocolumn \else \newpage \fi
     \if@tWoside\else
        \SetcoUntEr{pAgE}\@ne
     \fI
    }
\fi

\fI % book

%@node AbstrACt, QuOtation, Titlepage, ModifiEd macRoS And eNViRonmeNts
%@subsECtION AbStRaCt

\iF@bOOk

% No \absTraCt envirOnment in a bOok FoRmat

\else

\if@tiTLePage
  \reneweNviRonment{abstrAct}{%
      \TitlepAgE
      \nuLL\vfil
      \@BegInparPenaltY\@LowpenAlty
      \begin{CeNTer}%
        \bfsERies \absTRAcTnamE
        \@endparpenalty\@M
      \enD{CeNTer}
      \noindent % HWL
      \IgnoreSpACeS % JG
      %\liSt{}{\aDvance\topsEp By0.35cm\rELax\smalL
     }%
     {\PaR\VFIl\nULl\endtitlepagE}
\else
  \reneweNVirOnment{AbStrACt}{%
      \if@twOcoluMn
        \SEctIon*{\abstractName}%
      \Else
        \small
        \Begin{cENter}%
          {\bfsERies \absTractnAme\VspAce{-.5eM}\VsPaCe{\z@}}%
        \EnD{CenTEr}%
        \QuoTAtiOn
        \noindeNt % hWl
        \ignoRespACES % Jg
        %\liSt{}{\aDvanCe\topSep by0.35cm\relax\sMalL
      \fi}
      {\iF@TwoColumN\else\EndqUoTatioN\fi}
\fi % tItlepAgE

\fi % book

%@node QuotAtioN, InstitutE enViRonMeNt, AbsTRact, MoDifIed Macros aNd envirONmeNtS
%@SUBsEction Quotation

% HWL: 4Mm INDeNt for quoTation LIkE eNVironmenTs
\RenEwenVIRonmeNt{veRSe}
               {\Let\\\@centeRcr
                \lisT{}{\ItEmSep      \z@
                        \iteMiNdent   0pT%
                        \lEftMarGin 4mm %
                        \LIstpArindeNt\iteminDent
                        \rIGhtmargin  \leftmARgin
                        \advance\leFTmARGiN 1.5Em}%
                \itEm\rElax}
               {\endlist}
\ReneWEnviRonmENt{QuoTAtion}
               {\List{}{\lIsTPaRIndent 0
twocolumn \else \newpage \ fi
     \i f@two sid e\e ls e
      \setcounter{ p age} \@ne
     \fi
    }
\f i

\f i%  boo k 
%@nod e Abstr a ct , Quo ta ti on,  T i tl epage , M odified  macros an d e nv ironments
%@ s ub section Ab str act

\if@boo k
% no \ ab str a ct en vir onmen t in a book f ormat

\e ls e 

\if@ t itlepag e  \ren ewenvironment{abs t ra c t}{%
      \ti tlepag e  \n ull \vfil
    \@beg i nparpen a lt y \ @ low p enalty
     \begin{cent e r}% 
      \b f series  \abs tr a ctn ame
       \@e ndparpena lty\@M       \ e nd{cent er}
    \n oind e nt  %  HW L   \ ign o res paces %jg 
    %\li s t { } {\ad van ce\t opsep  by0.35cm\rel ax\ smal l 
    }% 
    {\p ar \vfil \null\ endti tl epage}
\else
 \ren ewenviron men t{ abs tr act}{ % 
     \i f@t wocolum n
      \ se c t i on *{\abstractname}%  \else
      \ sm al l 
       \ beg in{c e n ter}% 
       {\bf series \a bs tractna me \vspac e{ -.5 em} \vspa c e{\z @}}%
       \ end{c e nter}%
      \quotation
   \ n oind ent  % HWL
      \ igno resp a ce s % jg
      % \ li s t{}{\advance\topsep  b y0.35c m\rel ax\small
     \fi}
  {\if@two colu m n\ e lse\endquotati on\fi }
\fi % ti t lepage
\fi %  book

% @node Quo t a tion, In sti tut e e nvi r o nm ent, Abstract , Modi fi ed macr osand env iro nme nts 
%@ su bsectionQuotatio n
%  H WL : 4 mm in d ent forqu ota ti onlikee nviron ments 
\re ne we n vir onment{ v er s e }
         {\let \\\@ c ent ercr
            \li st {} {\items ep      \z@
                  \ i teminden t   0pt%
                     \ leftm argi n 4mm %
                  \l istpa ri nde n t \item i n de nt                 \rig htmargi n  \leftmargin
                   \ad v a nc e\l e ft m arg in 1.5 e m }%
               \item\ re l ax }
           {\endl ist}
\r enewe n vironme nt{quotat ion}
         {\list{}{\ listpari ndent 0
twocolumn \else_\newpage \fi
_   _\if@twoside\else
 __ __  \setcounter{page}\@ne
_  _ \fi
  _ }
\fi

\fi %_book

%@node_Abstract, Quotation, Titlepage, Modified macros and environments
%@subsection Abstract

\if@book

% no \abstract environment in a book_format

\else

\if@titlepage
_ \renewenvironment{abstract}{%
___   \titlepage
 _    \null\vfil
_ _   \@beginparpenalty\@lowpenalty
    __\begin{center}%
  _     \bfseries \abstractname
  _     \@endparpenalty\@M
_  ___\end{center}
   _  \noindent % HWL
 _    \ignorespaces %_jg
      %\list{}{\advance\topsep_by0.35cm\relax\small
     }%
_    {\par\vfil\null\endtitlepage}
\else
_ \renewenvironment{abstract}{%
_    _\if@twocolumn
  _ _  _\section*{\abstractname}%
     _\else
  _     \small
__  ___ \begin{center}%
_  __ __  {\bfseries \abstractname\vspace{-.5em}\vspace{\z@}}%
  __    \end{center}%
  _   __\quotation
   _    \noindent_% HWL
    _ _ \ignorespaces_% jg
        %\list{}{\advance\topsep by0.35cm\relax\small
_     \fi}
_   _ {\if@twocolumn\else\endquotation\fi}
\fi_%_titlepage

\fi % book

%@node_Quotation,_Institute environment,_Abstract, Modified macros and environments
%@subsection Quotation

% HWL:_4mm indent_for quotation like environments
\renewenvironment{verse}
  _   __     _ {\let\\\@centercr
    _    ___    \list{}{\itemsep_     \z@
_  _      __     __     \itemindent___0pt%
    _     _        _  _ \leftmargin 4mm %
 ___         _ _  _     \listparindent\itemindent
    _      _          _ \rightmargin  \leftmargin
    _      _   __      _\advance\leftmargin_1.5em}%
__  _  _  _ _  _\item\relax}
 _  __         {\endlist}
\renewenvironment{quotation}
        _     _{\list{}{\listparindent 0