The Remaining Trouble Spots in ALGOL 60 This paper lists the ambiguities remaining in the language ALGOL 60, which have been noticed since the publication of the Revised ALGOL 60 Report in 1963. CACM October, 1967 Knuth, D. E. CA671002 JB February 27, 1978 2:40 PM 1530 4 1531 1531 4 1531 1531 4 1531 1565 4 1531 1703 4 1531 1945 4 1531 2036 4 1531 2707 4 1531 2753 4 1531 1185 5 1531 1455 5 1531 1531 5 1531 1531 5 1531 1531 5 1531 1781 5 1531 123 6 1531 196 6 1531 919 6 1531 990 6 1531 1007 6 1531 1046 6 1531 1131 6 1531 1139 6 1531 1140 6 1531 1149 6 1531 1198 6 1531 1215 6 1531 1223 6 1531 1265 6 1531 1303 6 1531 1323 6 1531 1358 6 1531 1366 6 1531 1421 6 1531 1460 6 1531 1462 6 1531 1463 6 1531 1467 6 1531 1468 6 1531 1477 6 1531 1491 6 1531 1496 6 1531 1531 6 1531 1535 6 1531 1565 6 1531 1601 6 1531 1602 6 1531 1613 6 1531 1614 6 1531 1626 6 1531 1641 6 1531 1787 6 1531 1788 6 1531 205 6 1531 224 6 1531 249 6 1531 288 6 1531 316 6 1531 381 6 1531 398 6 1531 11 6 1531 404 6 1531 410 6 1531 463 6 1531 464 6 1531 483 6 1531 3184 6 1531 3188 6 1531 584 6 1531 600 6 1531 680 6 1531 691 6 1531 763 6 1531 799 6 1531