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Rev 62386 Rev 62407
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    pointers be set to \code{0x00000000} before comparison?}
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    pointers be set to \code{0x00000000} before comparison?}
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  \item{Log}{logical: should the returned value include a log of
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  \item{Log}{logical: should the returned value include a log of
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    differences found?}
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    differences found?}
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}
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}
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\details{
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\details{
- 
 
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  The \R startup banner and any timing information from \command{R CMD
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  The \R startup banner and any timing information from \command{R CMD
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    BATCH} are removed from both files, together with lines about
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    BATCH} are removed from both files, together with lines about
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  loading packages.  UTF-8 fancy quotes (see \code{\link{sQuote}}) and
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  loading packages.  UTF-8 fancy quotes (see \code{\link{sQuote}}) and
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  on Windows, Windows' so-called \sQuote{smart quotes}, are mapped to
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  on Windows, Windows' so-called \sQuote{smart quotes}, are mapped to
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  a simple quote.  Addresses of environments, compiled bytecode and
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  a simple quote.  Addresses of environments, compiled bytecode and
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  other exotic types expressed as hex addresses
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  other exotic types expressed as hex addresses
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  (e.g. \code{<environment: 0x12345678>}) are mapped to
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  (e.g. \code{<environment: 0x12345678>}) are mapped to
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  \code{0x00000000}.  The files are then compared line-by-line.  If
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  \code{0x00000000}.  The files are then compared line-by-line.  If
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  there are the same number of lines and \code{useDiff} is false, a
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  there are the same number of lines and \code{useDiff} is false, a
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  simple \command{diff}-like display of differences is printed (which
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  simple \command{diff -b} -like display of differences is printed
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  ignores differences in consecutive spaces), otherwise \command{diff
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  (which ignores trailing spaces and differences in numbers of
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    -bw} is called on the edited files.  (This tries to ignore all
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  consecutive spaces), otherwise \command{diff -bw} is called on the
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  differences in whitespace: note that flag \option{-w} is not
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  edited files.  (This tries to ignore all differences in whitespace:
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  required by POSIX but is supported by GNU, Solaris and FreeBSD
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  note that flag \option{-w} is not required by POSIX but is supported
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  versions.)
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  by GNU, Solaris and FreeBSD versions.)
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  This can compare uncompressed PDF files, ignoring differences in
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  This can compare uncompressed PDF files, ignoring differences in
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  creation and modification dates.
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  creation and modification dates.
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}
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}
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\value{
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\value{