Eskil

    # Diff functionality is in the DiffUtil package.
    package require DiffUtil
    # Help DiffUtil to find a diff executable, if needed
    catch {DiffUtil::LocateDiffExe $::eskil(thisScript)}

    # Create font for PDF
    if {$::Pref(printFont) eq ""} {
        set fontfile $::eskil(thisDir)/n022003l.afm
    } else {
        set fontfile $::Pref(printFont)
    }
    set ext [file extension $fontfile]
    if {$ext eq ".afm"} {
        pdf4tcl::loadBaseType1Font EskilBase $fontfile \
                [file rootname $fontfile].pfb
    } else {
        pdf4tcl::loadBaseTrueTypeFont EskilBase $fontfile 1
    }
        
    pdf4tcl::createFont EskilBase EskilFont cp1251 

    # Figure out a place to store temporary files.
    locateTmp ::eskil(tmpdir)

    if {$::tcl_platform(platform) eq "windows"} {
        # Locate CVS if it is in c:/bin

  -browse     : Automatically bring up file dialog after starting.
  -server     : Set up Eskil to be controllable from the outside.

  -print <file>          : Generate PDF and exit.
  -printCharsPerLine <n> : Adapt font size for this line length and wrap. (80)
  -printPaper <paper>    : Select paper size (a4)
  -printHeaderSize <n>   : Font size for page header (10)
  -printFont <fontfile>  : Select font to use in PDF, afm or ttf
  -printColorChange <RGB> : Color for change   (1.0 0.7 0.7)
  -printColorOld <RGB>    : Color for old text (0.7 1.0 0.7)
  -printColorNew <RGB     : Color for new text (0.8 0.8 1.0)

  -plugin <name>       : Preprocess files using plugin.
  -plugininfo <info>   : Pass info to plugin (plugin specific)
  -pluginlist          : List known plugins

    set allOpts {
        -w --help -help -b -noignore -i -nocase -nodigit -nokeyword -prefix
        -noparse -line -smallblock -block -char -word -limit -nodiff -dir
        -clip -patch -browse -conflict -print -noempty -pivot
        -printHeaderSize -printCharsPerLine -printPaper
        -printColorChange -printColorOld -printColorNew
        -printFont
        -server -o -a -fine -r -context -cvs -svn -review
        -foreach -preprocess -preprocessleft -preprocessright
        -close -nonewline -plugin -plugininfo
        -plugindump -pluginlist -nocdiff
    }

    # If the first option is "--query", use it to ask about options.

        if {$nextArg != ""} {
            if {$nextArg eq "mergeFile"} {
                set opts(mergeFile) [file join [pwd] $arg]
            } elseif {$nextArg eq "ancestorFile"} {
                set opts(ancestorFile) [file join [pwd] $arg]
            } elseif {$nextArg eq "printFile"} {
                set opts(printFile) [file join [pwd] $arg]
            } elseif {$nextArg eq "printFont"} {
                set ::Pref(printFont) $arg
            } elseif {$nextArg eq "printHeaderSize"} {
                if {![string is double -strict $arg] || $arg <= 0} {
                    puts "Argument -printHeaderSize must be a positive number"
                    exit
                }
                set ::Pref(printHeaderSize) $arg
            } elseif {$nextArg eq "printCharsPerLine"} {

        } elseif {$arg eq "-conflict"} {
            set opts(mode) "conflict"
            # Conflict implies foreach
            set foreach 1
        } elseif {$arg eq "-print" || $arg eq "-printpdf"} {
            set nextArg printFile
        } elseif {$arg in {-printHeaderSize -printCharsPerLine -printPaper \
                -printColorChange -printColorOld -printColorNew -printFont}} {
            set nextArg [string range $arg 1 end]
        } elseif {$arg eq "-server"} {
            if {$::tcl_platform(platform) eq "windows"} {
                catch {
                    package require dde
                    dde servername Eskil
                }

    # Print options
    set ::DefaultPref(printHeaderSize) 10
    set ::DefaultPref(printCharsPerLine) 80
    set ::DefaultPref(printPaper) a4
    set ::DefaultPref(printColorChange) "1.0 0.7 0.7"
    set ::DefaultPref(printColorNew1)   "0.7 1.0 0.7"
    set ::DefaultPref(printColorNew2)   "0.8 0.8 1.0"
    set ::DefaultPref(printFont) ""

    # Directory diff options
    set ::DefaultPref(dir,comparelevel) 1
    set ::DefaultPref(dir,ignorekey) 0
    set ::DefaultPref(dir,incfiles) ""
    set ::DefaultPref(dir,exfiles) "*.o"
    set ::DefaultPref(dir,incdirs) ""