Editorial: minor tweaks around 2 UTF16DecodeString calls

spec.html

@@ -29052,9 +29052,9 @@ <h1>String.prototype.toLowerCase ( )</h1>
         <emu-alg>
           1. Let _O_ be ? RequireObjectCoercible(*this* value).
           1. Let _S_ be ? ToString(_O_).
-          1. Let _cpList_ be a List containing in order the code points of UTF16DecodeString(_S_).
-          1. Let _cuList_ be a List where the elements are the result of toLowercase(_cpList_), according to the Unicode Default Case Conversion algorithm.
-          1. Let _L_ be ! UTF16Encode(_cuList_).
+          1. Let _sText_ be UTF16DecodeString(_S_).
+          1. Let _lowerText_ be the result of toLowercase(_sText_), according to the Unicode Default Case Conversion algorithm.
+          1. Let _L_ be ! UTF16Encode(_lowerText_).
           1. Return _L_.
         </emu-alg>
         <p>The result must be derived according to the locale-insensitive case mappings in the Unicode Character Database (this explicitly includes not only the UnicodeData.txt file, but also all locale-insensitive mappings in the SpecialCasings.txt file that accompanies it).</p>
@@ -36543,8 +36543,7 @@ <h1>Runtime Semantics: QuoteJSONString ( _value_ )</h1>
         <p>This operation interprets a String value as a sequence of UTF-16 encoded code points, as described in <emu-xref href="#sec-ecmascript-language-types-string-type"></emu-xref>.</p>
         <emu-alg>
           1. Let _product_ be the String value consisting solely of the code unit 0x0022 (QUOTATION MARK).
-          1. Let _cpList_ be a List containing in order the code points of UTF16DecodeString(_value_).
-          1. For each code point _C_ in _cpList_, do
+          1. For each code point _C_ in UTF16DecodeString(_value_), do
             1. If _C_ is listed in the &ldquo;Code Point&rdquo; column of <emu-xref href="#table-json-single-character-escapes"></emu-xref>, then
               1. Set _product_ to the string-concatenation of _product_ and the escape sequence for _C_ as specified in the &ldquo;Escape Sequence&rdquo; column of the corresponding row.
             1. Else if _C_ has a numeric value less than 0x0020 (SPACE), or if _C_ has the same numeric value as a <emu-xref href="#leading-surrogate"></emu-xref> or <emu-xref href="#trailing-surrogate"></emu-xref>, then