SYNOPSIS  
  
    text_str:string(input:string) 
 
  ARGUMENTS  
   input  
 the string to escape 
 
  DESCRIPTION  
  This function accepts a string argument, and any ASCII characters
    that are not printable are replaced by the corresponding escape sequence in
    the returned string. 
 
  SEE
  ALSO0  
    tapset::string (3stap)