57 between (uint32_t const ch,  in between()  function
74     return (between (ch, 'A', 'Z')  in isdirect()
75 	    || between (ch, 'a', 'z')  in isdirect()
76 	    || between (ch, '0', '9')  in isdirect()
78 	    || between (ch, ',', '/')  in isdirect()
82     return (ch != '&' && between (ch, ' ', '~'));  in isdirect()
100   return between (ch, '!', '&')  in isxdirect()
102     || between (ch, ';', '@')  in isxdirect()
103     || (between (ch, '[', '`') && ch != '\\')  in isxdirect()
104     || between (ch, '{', '}');  in isxdirect()
116   return (between (ch, 'A', 'Z')  in needs_explicit_shift()
117 	  || between (ch, 'a', 'z')  in needs_explicit_shift()
118 	  || between (ch, '/', '9') || ch == '+' || ch == '-');  in needs_explicit_shift()