// NAME
//     psquote - quotes 8-bit text acording to Postscript string conventions
//      
// SYNOPSIS
//     psquote < infile > outfile
// 
// DESCRIPTION
//     psquote reads characters from standard input and writes them
//     to standard output, quoting them if necessary so that
//     the text can be used inside Postscript strings.
// 
//     Specifically, the characters `\', `(', and `)' are preceded
//     by a backslash; and characters above 277 octal (127 decimal) 
//     are written as `\' followed by three octal digits.
// 
// OPTIONS
//     None (yeay!)
//         
// AUTHOR
//     J. Stolfi, DCC/Unicamp, april 1994.
// 
//