ioeric added inline comments.
================
Comment at: clang-tools-extra/clangd/index/dex/Iterator.h:97
/// ChildN is N-th iterator child. Raw iterators over PostingList are
- /// represented as "[ID1, ID2, ..., {IDN}, ... END]" where IDN is N-th
- /// PostingList entry and the element which is pointed to by the PostingList
- /// iterator is enclosed in {} braces.
+ /// represented as "[(...)? (IDN | END) (...)?]" where IDN is N-th
+ /// PostingList entry.
----------------
nit: `[(...)? (IDN | END) (...)?]` is accurate but can be really confusing... I
think it's okay to be a bit inaccurate with just `[ ... CurID ... ]`.
https://reviews.llvm.org/D52545
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