Search for `emu-clause` elements now performed within the `#spec-container` element instead of the entire document, preventing accidental matches outside the spec container.
- Log the number of specification HTML files found in `SPEC_DIR`.
- Emit a warning if no specification HTML files are present.
- Log the number of code files found in `CODE_DIR`.
- Emit a warning if no code files are present.
Update init_engine262.sh to add the engine262 repository as a squashed subtree instead of a shallow submodule. Adjust usage comments, add existence check for the target directory, and update echo messages accordingly.
Introduces `setup/init_engine262.sh`, a Bash utility that clones the `engine262` repository as a shallow submodule (depth 1) into `./engine262`. The script adds the submodule, initializes it, and provides a usage comment. It ensures robust execution with `set -euo pipefail`.
bendtherules