Differences From Artifact [caf8cb360a]:

• File generic/tclUtf.c — part of check-in [827b7761e6] at 2018-05-01 18:41:27 on branch core-8-branch — Implement special "string totitle" for Extended Georgian characters (new behavior in Unicode 11) (user: jan.nijtmans size: 54010) [more...]

To Artifact [ca1f89b62b]:

• File generic/tclUtf.c — part of check-in [385fda311b] at 2018-05-07 07:40:58 on branch core-8-branch — Remove some tip389 restrictions in test-cases, which are no longer necessary. Eliminate gcc compiler warnings when compiling with -DTCL_UTF_MAX=6 Other code clean-up and comment improvements. No change in functionality. (user: jan.nijtmans size: 53998) [more...]

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	if (!bytes) {
	    /* TclUtfToUniChar only returns 0 for chars > 0xffff ! */
	    bytes = TclUtfToUniChar(src, &ch);
	    /* Combine surrogates */
	    lowChar = (((lowChar & 0x3ff) << 10) | (ch & 0x3ff)) + 0x10000;
	}
#endif
	/* Special exception for Gregorian characters, which don't have titlecase */
	if ((lowChar < 0x1C90) || (lowChar >= 0x1CC0)) {
	/* Special exception for Georgian Asomtavruli chars, no titlecase. */
	if ((unsigned)(lowChar - 0x1C90) >= 0x30) {
	    lowChar = Tcl_UniCharToLower(lowChar);
	}

	if (bytes < TclUtfCount(lowChar)) {
	    memcpy(dst, src, (size_t) bytes);
	    dst += bytes;
	} else {