From defd907c7469c5c8281247b73bbd07be24c31164 Mon Sep 17 00:00:00 2001
From: yhirose <yhirose@users.noreply.github.com>
Date: Fri, 27 Feb 2026 21:35:32 -0500
Subject: [PATCH] Merge commit from fork

---
 httplib.h    | 11 -----------
 test/test.cc |  6 ++----
 2 files changed, 2 insertions(+), 15 deletions(-)

Index: cpp-httplib-0.22.0/httplib.h
===================================================================
--- cpp-httplib-0.22.0.orig/httplib.h
+++ cpp-httplib-0.22.0/httplib.h
@@ -7636,16 +7636,6 @@ Server::process_request(Stream &strm, co
       routed = true;
     } else {
       res.status = StatusCode::InternalServerError_500;
-      std::string val;
-      auto s = e.what();
-      for (size_t i = 0; s[i]; i++) {
-        switch (s[i]) {
-        case '\r': val += "\\r"; break;
-        case '\n': val += "\\n"; break;
-        default: val += s[i]; break;
-        }
-      }
-      res.set_header("EXCEPTION_WHAT", val);
     }
   } catch (...) {
     if (exception_handler_) {
@@ -7654,7 +7644,6 @@ Server::process_request(Stream &strm, co
       routed = true;
     } else {
       res.status = StatusCode::InternalServerError_500;
-      res.set_header("EXCEPTION_WHAT", "UNKNOWN");
     }
   }
 #endif
Index: cpp-httplib-0.22.0/test/test.cc
===================================================================
--- cpp-httplib-0.22.0.orig/test/test.cc
+++ cpp-httplib-0.22.0/test/test.cc
@@ -2113,16 +2113,14 @@ TEST(ExceptionTest, WithoutExceptionHand
     auto res = cli.Get("/exception");
     ASSERT_TRUE(res);
     EXPECT_EQ(StatusCode::InternalServerError_500, res->status);
-    ASSERT_TRUE(res->has_header("EXCEPTION_WHAT"));
-    EXPECT_EQ("exception...", res->get_header_value("EXCEPTION_WHAT"));
+    EXPECT_FALSE(res->has_header("EXCEPTION_WHAT"));
   }
 
   {
     auto res = cli.Get("/unknown");
     ASSERT_TRUE(res);
     EXPECT_EQ(StatusCode::InternalServerError_500, res->status);
-    ASSERT_TRUE(res->has_header("EXCEPTION_WHAT"));
-    EXPECT_EQ("exception\\r\\n...", res->get_header_value("EXCEPTION_WHAT"));
+    EXPECT_FALSE(res->has_header("EXCEPTION_WHAT"));
   }
 }
 
