3629         CodeList a, b, c, d;  local
5777     static bool pred(dchar c) {return !c.isWhite && c != '-' && c != '_';}  in pred()
7359             dchar c; // == 0 - empty range  in simpleCaseFoldings()  member
7912 private size_t recompose(size_t start, dchar[] input, ubyte[] ccc) pure nothrow @safe  in recompose()
8099     ushort toLowerIndex(dchar c) { return toLowerIndexTrie[c]; }  in toLowerIndex()
8100     ushort toLowerSimpleIndex(dchar c) { return toLowerSimpleIndexTrie[c]; }  in toLowerSimpleIndex()
8103     ushort toTitleIndex(dchar c) { return toTitleIndexTrie[c]; }  in toTitleIndex()
8104     ushort toTitleSimpleIndex(dchar c) { return toTitleSimpleIndexTrie[c]; }  in toTitleSimpleIndex()
8107     ushort toUpperIndex(dchar c) { return toUpperIndexTrie[c]; }  in toUpperIndex()
8108     ushort toUpperSimpleIndex(dchar c) { return toUpperSimpleIndexTrie[c]; }  in toUpperSimpleIndex()
8120 public bool isWhite(dchar c)  in isWhite()
8130 bool isLower(dchar c)  in isLower()
8163 bool isUpper(dchar c)  in isUpper()
8194 private dchar toTitlecase(dchar c)  in toTitlecase()
8294                 dchar c = r.front;  in front()  local
8505                 immutable dchar c = r.front;  in front()  local
8685 private size_t encodeTo(scope char[] buf, size_t idx, dchar c) @trusted pure nothrow @nogc  in encodeTo()
8730 private size_t encodeTo(scope wchar[] buf, size_t idx, dchar c) @trusted pure  in encodeTo()
8751 private size_t encodeTo(scope dchar[] buf, size_t idx, dchar c) @trusted pure nothrow @nogc  in encodeTo()
8981 dchar toLower(dchar c)  in toLower()
9109     dchar c = 'İ'; // '\U0130' LATIN CAPITAL LETTER I WITH DOT ABOVE  variable
9134 dchar toUpper(dchar c)  in toUpper()
9312 bool isAlpha(dchar c)  in isAlpha()
9347 bool isMark(dchar c)  in isMark()
9366 bool isNumber(dchar c)  in isNumber()
9399 bool isAlphaNum(dchar c)  in isAlphaNum()
9436 bool isPunctuation(dchar c)  in isPunctuation()
9469 bool isSymbol(dchar c)  in isSymbol()
9492 bool isSpace(dchar c)  in isSpace()
9515 bool isGraphical(dchar c)  in isGraphical()
9537 bool isControl(dchar c)  in isControl()
9561 bool isFormat(dchar c)  in isFormat()
9583 bool isPrivateUse(dchar c)  in isPrivateUse()
9595 bool isSurrogate(dchar c)  in isSurrogate()
9604 bool isSurrogateHi(dchar c)  in isSurrogateHi()
9613 bool isSurrogateLo(dchar c)  in isSurrogateLo()
9624 bool isNonCharacter(dchar c)  in isNonCharacter()