Add support for escaping EOL in string literals

pygments · Dec 30, 2023 · 843b426 · 843b426
1 parent ea8440e
commit 843b426
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Showing 3 changed files with 19 additions and 2 deletions.
diff --git a/pygments/lexers/lean.py b/pygments/lexers/lean.py
@@ -223,7 +223,7 @@ class Lean4Lexer(RegexLexer):
         ],
         'string': [
             (r'[^\\"]+', String.Double),
-            (r'\\[n"\\]', String.Escape),
+            (r'\\[n"\\\n]', String.Escape),
             ('"', String.Double, '#pop'),
         ],
     }

diff --git a/tests/examplefiles/lean4/Test.lean b/tests/examplefiles/lean4/Test.lean
@@ -238,3 +238,7 @@ variable {ι A B : Type*} (𝒜 : ι → A) (ℬ : ι → B)
 
 #check `𝒜.a
 #check ``𝒜
+
+#check "\
+  This is\na \
+  wrapped string.
diff --git a/tests/examplefiles/lean4/Test.lean.output b/tests/examplefiles/lean4/Test.lean.output