[clang] [clang-format] TableGen multi line string support. (PR #78032)

[Björn Schäpers via cfe-commits]

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@@ -2193,6 +2193,11 @@ TEST_F(TokenAnnotatorTest, UnderstandTableGenTokens) {
   ASSERT_TRUE(Keywords.isTableGenDefinition(*Tokens[0]));
   ASSERT_TRUE(Tokens[0]->is(Keywords.kw_def));
   ASSERT_TRUE(Tokens[1]->is(TT_StartOfName));
+
+  // Code, the multiline string token.
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HazardyKnusperkeks wrote:

Multiline string means it can span multiple lines? Maybe add a test for one that does?

https://github.com/llvm/llvm-project/pull/78032