\DoNotIndex{\def}
\DoNotIndex{\edef}
\DoNotIndex{\,}
\DoNotIndex{\=}
\DoNotIndex{\begingroup}
\DoNotIndex{\catcode}
\DoNotIndex{\chardef}
\DoNotIndex{\csname}
\DoNotIndex{\else}
\DoNotIndex{\endgroup}
\DoNotIndex{\endcsname}
\DoNotIndex{\endinput}
\DoNotIndex{\errmessage}
\DoNotIndex{\expandafter}
\DoNotIndex{\fi}
\DoNotIndex{\ifcsname}
\DoNotIndex{\ifx}
\DoNotIndex{\input}
\DoNotIndex{\let}
\DoNotIndex{\long}
\DoNotIndex{\noexpand}
\DoNotIndex{\protected}
\DoNotIndex{\ProvidesFile}
\DoNotIndex{\ProvidesPackage}

! Too many }'s.
l.120 \DoNotIndex{\else}

function docinit_hook ()
 return  cp("pdftexcmds.bib", "build/unpacked" ,"build/doc")
end

\documentclass{article}
%\iffalse
\iftrue
\usepackage{silence}
\WarningFilter{scrpage2}{usage of obsolete package}
\WarningFilter{scrkbase}{`pagehead' is only an alias of `pageheadfoot'}
\fi

\usepackage{blindtext}

\usepackage[automark,headsepline,footsepline]{scrpage2}
  \pagestyle{scrheadings}
  \addtolength{\headheight}{0.5\baselineskip}
  \ihead{
          Test for package \texttt{silence}}
  \chead{}
  \ohead{\itshape\rightmark}
  \ifoot[]{Anne O. Nymus}
  \cfoot{}
  \ofoot{\pagemark}

\usepackage[