(PHP 4, PECL pdflib >= 1.0.0)
  	
    
      
      Set stroke color to gray [deprecated]
    
    
      
      bool PDF_setgray_stroke ( resource $p, float $g )
    
    
    
     Sets the current stroke color to a gray value between 0 and 1 inclusive. Returns TRUE on success or FALSE on failure. 
This function is deprecated since PDFlib version 4, use PDF_setcolor() instead.
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