Eskil

    if {[catch {set ch [open $rcfile "w"]} err]} {
        tk_messageBox -icon error -title "File error" -message \
                "Error when trying to save preferences:\n$err"
        return
    }

    foreach i [array names Pref] {
        # Skip unchanged options.
        if {[info exists ::DefaultPref($i)]} {
            if {$::DefaultPref($i) eq $Pref($i)} {
                continue
            }
        }
        puts $ch [list set Pref($i) $Pref($i)]
    }
    close $ch

    tk_messageBox -icon info -title "Saved" -message \
            "Preferences saved to:\n[file nativename $rcfile]"
}

    set Pref(context) 0
    set Pref(marklast) 1
    set Pref(linewidth) 80
    set Pref(lines) 60
    set Pref(editor) ""
    set Pref(regsub) {}
    set Pref(toolbar) 0
    set Pref(wideMap) 0
    set Pref(wideMap) 0 ;# Not settable in GUI yet
    
    # Print options
    set Pref(grayLevel1) 0.6
    set Pref(grayLevel2) 0.8
    set Pref(wideLines) 0
    set Pref(printHeaderSize) 10
    set Pref(printCharsPerLine) 80
    set Pref(printPaper) a4
    set Pref(printColorChange) "1.0 0.6 0.6"
    set Pref(printColorNew1)   "0.6 1.0 0.6"
    set Pref(printColorNew2)   "0.6 0.6 1.0"

    # Directory diff options
    set Pref(dir,comparelevel) 1
    set Pref(dir,ignorekey) 0
    set Pref(dir,incfiles) ""
    set Pref(dir,exfiles) "*.o"
    set Pref(dir,incdirs) ""
    set Pref(dir,exdirs) "RCS CVS .git .svn .hg"
    set Pref(dir,onlyrev) 0
    

    # Store default preferences, to filter saved preferences
    array set ::DefaultPref [array get Pref]

    # Backward compatibilty option
    set Pref(onlydiffs) -1

    set ::diff(filter) ""

    if {![info exists ::eskil_testsuite] && [file exists "~/.eskilrc"]} {