diff --git a/include/CLI/impl/App_inl.hpp b/include/CLI/impl/App_inl.hpp
index db2dc3df6..ed66dba68 100644
--- a/include/CLI/impl/App_inl.hpp
+++ b/include/CLI/impl/App_inl.hpp
@@ -1493,7 +1493,7 @@ CLI11_INLINE bool App::_parse_single_config(const ConfigItem &item, std::size_t
                 op->add_result(res);
                 return true;
             }
-            if(static_cast<int>(item.inputs.size()) > op->get_items_expected_max()) {
+            if(static_cast<int>(item.inputs.size()) > op->get_items_expected_max() && op->get_multi_option_policy()!=MultiOptionPolicy::TakeAll) {
                 if(op->get_items_expected_max() > 1) {
                     throw ArgumentMismatch::AtMost(item.fullname(), op->get_items_expected_max(), item.inputs.size());
                 }
diff --git a/include/CLI/impl/Config_inl.hpp b/include/CLI/impl/Config_inl.hpp
index 9ce056c45..9adcb95b5 100644
--- a/include/CLI/impl/Config_inl.hpp
+++ b/include/CLI/impl/Config_inl.hpp
@@ -33,10 +33,6 @@ namespace detail {
             // check if a given character is printable
             // the cast is necessary to avoid undefined behaviour
             if (isprint((unsigned char)c) == 0) {
-                escaped_string.push_back(c);
-            }
-            else
-            {
                 std::stringstream stream;
                 // if the character is not printable
                 // we'll convert it to a hex string using a stringstream
@@ -44,14 +40,28 @@ namespace detail {
                 stream << std::hex << (unsigned int)(unsigned char)(c);
                 std::string code = stream.str();
                 escaped_string += std::string("\\x")+(code.size()<2?"0":"")+code;
+                
+            }
+            else
+            {
+                escaped_string.push_back(c);
             }
         }
-}
-
+        if (escaped_string != string_to_escape)
+        {
+            escaped_string.insert(0,"B(\"");
+            escaped_string.push_back(')');
+            escaped_string.push_back('"');
+        }
+        return escaped_string;
+    }
 
+    CLI11_INLINE bool is_printable(const std::string& test_string)
+    {
+        return std::all_of(test_string.begin(), test_string.end(), [](char x) {return (isprint(static_cast<unsigned char>(x)) != 0 || x == '\n'); });
+}
 
 CLI11_INLINE std::string convert_arg_for_ini(const std::string &arg, char stringQuote, char characterQuote) {
-    static const std::string elchars=std::string("\n")+'\0';
     if(arg.empty()) {
         return std::string(2, stringQuote);
     }
@@ -69,6 +79,10 @@ CLI11_INLINE std::string convert_arg_for_ini(const std::string &arg, char string
     }
     // just quote a single non numeric character
     if(arg.size() == 1) {
+        if (isprint(static_cast<unsigned char>(arg.front())) == 0)
+        {
+            return escape_string(arg);
+        }
         return std::string(1, characterQuote) + arg + characterQuote;
     }
     // handle hex, binary or octal arguments
@@ -89,7 +103,11 @@ CLI11_INLINE std::string convert_arg_for_ini(const std::string &arg, char string
             }
         }
     }
-    if(arg.find_first_of(elchars) != std::string::npos) {
+    if (!is_printable(arg))
+    {
+        return escape_string(arg);
+    }
+    if (arg.find_first_of("\n") != std::string::npos) {
         return std::string(tquote) + arg + tquote;
     }
     if(arg.find_first_of(stringQuote) == std::string::npos) {
diff --git a/tests/FuzzFailTest.cpp b/tests/FuzzFailTest.cpp
index e1024adae..a4bf57ed9 100644
--- a/tests/FuzzFailTest.cpp
+++ b/tests/FuzzFailTest.cpp
@@ -63,7 +63,7 @@ TEST_CASE("app_file_gen_fail") {
     CLI::FuzzApp fuzzdata;
     auto app = fuzzdata.generateApp();
 
-    int index = GENERATE(range(8, 9));
+    int index = GENERATE(range(1, 9));
     std::string optionString, flagString;
     auto parseData = loadFailureFile("fuzz_app_file_fail", index);
     if(parseData.size() > 25) {