{
  "$type": "site.standard.document",
  "bskyPostRef": {
    "cid": "bafyreias7qk63jpdomb7oxpmuz5xgrsita226abdmehtr2azkpjsuacvou",
    "uri": "at://did:plc:ivbknywyskln22er3nkssdhl/app.bsky.feed.post/3mifoohjquhv2"
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  "path": "/t/pre-rfc-allow-custom-syntax-parsing-for-attribute-macro-inputs/23092#post_11",
  "publishedAt": "2026-04-01T01:12:25.000Z",
  "site": "https://internals.rust-lang.org",
  "textContent": "We do have custom grammar inside macros, just not in _attribute_ macros. That's because attribute macros are meant to act on Rust syntax, unlike function macros which operate on their own syntax.\n\nWhat you're describing sounds like a problem completely separate from that of the OP.",
  "title": "Pre-RFC: Allow Custom Syntax Parsing for Attribute Macro Inputs"
}