[clang] [Clang] allow `` `@$ `` in raw string delimiters in C++26 (PR #93216)

[Richard Smith via cfe-commits]

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@@ -152,16 +151,17 @@ LLVM_READONLY inline bool isHexDigit(unsigned char c) {
 /// Note that '_' is both a punctuation character and an identifier character!
 LLVM_READONLY inline bool isPunctuation(unsigned char c) {
   using namespace charinfo;
-  return (InfoTable[c] & (CHAR_UNDER|CHAR_PERIOD|CHAR_RAWDEL|CHAR_PUNCT)) != 0;
+  return (InfoTable[c] &
+          (CHAR_UNDER | CHAR_PERIOD | CHAR_PUNCT | CHAR_PUNCT)) != 0;
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zygoloid wrote:

`CHAR_PUNCT` is listed here twice now.

https://github.com/llvm/llvm-project/pull/93216