1.1 --- a/doc-src/IsarRef/intro.tex	Tue Sep 07 18:08:51 1999 +0200
     1.2 +++ b/doc-src/IsarRef/intro.tex	Tue Sep 07 18:09:04 1999 +0200
     1.3 @@ -54,7 +54,7 @@
     1.4    (default Scratch.thy).
     1.5  
     1.6    PROOFGENERAL_OPTIONS=
     1.7 -\end{ttbox}
     1.8 +\end{ttbox} %$
     1.9  Apart from the command line, the defaults for these options may be overridden
    1.10  via the \texttt{PROOFGENERAL_OPTIONS} setting as well.  For example, plain GNU
    1.11  Emacs may be configured as follows:
    1.12 @@ -76,9 +76,9 @@
    1.13  Occasionally, a user's \texttt{.emacs} contains material that is incompatible
    1.14  with the version of (X)Emacs that Proof~General prefers.  Then proper startup
    1.15  may be still achieved by using the \texttt{-u false} option.\footnote{Any
    1.16 -  \texttt{proofgeneral-settings.el} file occurring in
    1.17 -  \texttt{\$ISABELLE_HOME/etc} or \texttt{\$ISABELLE_HOME_USER/etc} is
    1.18 -  automatically loaded by the Proof~General interface script as well.}
    1.19 +  Emacs lisp file \url{proofgeneral-settings.el} occurring in
    1.20 +  \url{$ISABELLE_HOME/etc} or \url{$ISABELLE_HOME_USER/etc} is automatically
    1.21 +  loaded by the Proof~General interface script as well.}
    1.22  
    1.23  \section{How to write Isar proofs anyway?}
    1.24