- [ ] htmpl, the library
    - [x] htmpl-query
    - [x] htmpl-insert
    - [x] htmpl-foreach
    - [x] htmpl-query: parameters
    - [x] htmpl-attr
        - Needs a redesign: attributes are key-value, not list-of-mappings.
        - Apply via selector: OK
    - [x] htmpl-if
    - [ ] [Rust API guidelines](https://rust-lang.github.io/api-guidelines/)
    - [ ] `as` attribute
    - [ ] `insert` filters
        - [ ] no-HTML
        - [ ] format-only
        - [ ] Markdown
- [ ] htmpl-wasm, the demo
    - [ ] `cargo` workspace
    - [ ] Build as WASM
    - [ ] Web component?
    - [ ] Release via CI
    - [ ] Hugo widget
- [ ] Publication
    - [ ] [cargo-semver-checks](https://crates.io/crates/cargo-semver-checks)
    - [ ] LICENSE, CONTRIBUTORS files
    - [ ] Blog post
- [ ] htmpl-ssg, the static site generator
    - [ ] Nested templates
        - NB, `htmpl-attr` won't propagate through nested templates
    - [ ] Separate test cases
- [ ] htmpl-srv, the server
- [ ] htmpl-js, Web-native alternative
- [ ] Feature enhancements
    - [ ] formatting directives for real, int, etc.
    - [ ] good localization support: languages, time formats, etc.
    - [ ] pluggable formatters?