Publish a scannable manual and a bibliography that links each paper back to the pages that use it.

Co-authored-by: Cursor <cursoragent@cursor.com>

doc/pages/which_dpf.md

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+# Which DPF? {#which_dpf}
+
+Click a card. The next question appears under it, and the last card is a
+complete program. Each program is also a file under `examples/mwe/` and
+compiles from the repository root:
+
+    c++ -std=c++17 -march=native -I include -I thirdparty examples/mwe/point.cpp
+
+The same choices are listed as links under the cards.
+Types in full are on [Input types](@ref input_types) and [Output types](@ref output_types).
+
+\htmlinclude mwe/chooser.html
+
+## The same choices, as links {#which_links}
+
+- A dealer knows `alpha` and `beta`. Two parties each get a key: [dpf::make_dpf](@ref dpf/incremental.hpp).
+- The parties already share `alpha` and want a reusable key: [dpf::make_dpf_doerner_shelat](@ref dpf/doerner_shelat.hpp).
+- The parties want the answer and no key: [dpf::geneval_point](@ref dpf/geneval.hpp), [dpf::geneval_interval](@ref dpf/geneval.hpp), [dpf::geneval_cmp](@ref dpf/geneval.hpp).
+- Three evaluators: [dpf::make_dpf3](@ref dpf/dpf3.hpp) and [dpf::make_dpf3_doerner_shelat](@ref dpf/dpf3_ds.hpp).
+- One point, a comparison, or a public interval: [dpf::gt](@ref dpf/dcf.hpp) and the other predicates, and [dpf::ic](@ref dpf/interval.hpp).
+- Many secret points: [dpf::make_multipoint](@ref dpf/multipoint.hpp).
+- A vector whose hidden coordinate is chosen after the commitment: [point-programmable vector commitments](@ref ppvc_manual).
+- Several lanes at one leaf: [dpf::vec](@ref dpf/vec.hpp).
+- A payload filled in later: [dpf::wildcard_value](@ref dpf/wildcard.hpp).
+- A proof the key is well formed: [dpf::verifiable](@ref dpf/verifiable.hpp).
+
+The call index, with one line each, is the [API reference](@ref api_reference).