I am one night from a deadline and I have just noticed that my index is silently ignoring some entries... Help!! The following demonstrates the problem (tested on live.contextgarden.net): -- \starttext \startregister[index]{this term+in+particular} This term is discussed from the start of this page.\page[yes] Some more text about the term, and another page.\page[yes] And the end of the info about that term. \stopregister[index]{this term+in+particular}\page[yes] A page unrelated to that term.\page[yes] \index{this term+in+particular} And then another page on exactly the same term.\page[yes] \placeindex\page[yes] Disaster! The entry on page 5 has been eaten! \stoptext -- So we have the same terms referenced as a span over pages 1 to 3, and as a single entry on page 5. But only the span appears, not the second entry! The .tuo file contains: \registerentry{index}{t} \registerentrya{index}{this term} \registerentryb{index}{in} \registerentryc{index}{particular} \registerfrom{index}{,}{1}{2::0:0:0:0:0:0:0::1}{1} \registerpage{index}{,}{3}{2::0:0:0:0:0:0:0::5}{5} \registerto{index}{,}{2}{2::0:0:0:0:0:0:0::3}{3} so it looks like the sorting of these by page numbers has broken, and ConTeXt thinks that page 5 is between pages 1 and 3. I hope someone can help... Duncan