1 files changed, 5 insertions, 3 deletions
diff --git a/source/slang/slang-ast-dump.cpp b/source/slang/slang-ast-dump.cpp
index 2c98af65c..723608bb2 100644
--- a/source/slang/slang-ast-dump.cpp
+++ b/source/slang/slang-ast-dump.cpp
@@ -1,6 +1,7 @@
 // slang-ast-dump.cpp
 #include "slang-ast-dump.h"
 #include <assert.h>
+#include <limits>
 
 #include "slang-compiler.h"
 
@@ -240,9 +241,10 @@ struct ASTDumpContext
         return (v < 10) ? char(v + '0') : char('a' + v - 10);
     }
 
-    static bool _isPrintableChar(char c)
+    static bool _charNeedsEscaping(char c)
     {
-        return c >= 0x20 && c < 0x80;
+        // Escape everything except the printable characters (except DEL)
+        return c < 0x20 || c >= 0x7F;
     }
 
     void dump(const UnownedStringSlice& slice)
@@ -253,7 +255,7 @@ struct ASTDumpContext
         buf.appendChar('\"');
         for (const char c : slice)
         {
-            if (_isPrintableChar(c))
+            if (!_charNeedsEscaping(c))
             {
                 buf << c;
             }