Differences From Artifact [58ded23a92]:

• File win/tclWinPipe.c — part of check-in [7351fc0c9c] at 2017-05-29 13:10:30 on branch core-8-6-branch — Tcl_UtfToUniChar() -> TclUtfToUniChar() in various places: No change in functionality, just faster if ASCII only strings are involved. (user: jan.nijtmans size: 91713) [more...]

To Artifact [bdd20c74c9]:

• File win/tclWinPipe.c — part of check-in [5ae46a0093] at 2017-06-08 08:26:58 on branch rfe-6c0d7aec67 — Better UTF-8 surrogate handling, only functional when TCL_UTF_MAX>3 (user: jan.nijtmans size: 91717) [more...]

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	}

	quote = 0;
	if (arg[0] == '\0') {
	    quote = 1;
	} else {
	    int count;
	    Tcl_UniChar ch;
	    Tcl_UniChar ch = 0;

	    for (start = arg; *start != '\0'; start += count) {
		count = TclUtfToUniChar(start, &ch);
		if (Tcl_UniCharIsSpace(ch)) {	/* INTL: ISO space. */
		    quote = 1;
		    break;
		}