Add rule flattening apply/append/map syntax templates#797
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Adds the `flatten-apply-append-syntax-template` rule, rewriting `(apply append (map syntax->list (syntax->list #'((a ...) ...))))` to the more direct `(syntax->list #'(a ... ...))`. To render the reconstructed template with `#'` shorthand instead of the `(syntax ...)` long form, the s-expression renderer now prints constructed `syntax` forms as `#'`, mirroring its existing `quote` -> `'` handling. Fixes #769 Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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Fixes #769.
Also teaches the s-expression renderer to print constructed
syntaxforms as#', mirroring its existingquote→'handling, so the rewritten template reads as#'(a ... ...)rather than(syntax (a ... ...)).🤖 Generated with Claude Code