static unsigned char specchars[][2]=
            {{0204,0344},        /* adieresis */
             {0224,0366},        /* odieresis */
             {0201,0374},        /* udieresis */
             {0216,0304},        /* Adieresis */
             {0231,0326},        /* Odieresis */
             {0232,0334},        /* Udieresis */
             {0341,0337},        /* ssharp */
             {0375,0262},        /* 2-exp */
             {0346,0265},        /* mu */
             {0205,0340},        /* a graph */
             {0000,0000}};