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Import Tcl 8.6.12

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This commit is contained in:
Steve Dower
2021-11-08 17:30:58 +00:00
parent 1aadb2455c
commit 674867e7e6
608 changed files with 78089 additions and 60360 deletions
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15
doc/Utf.3
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@@ -141,8 +141,8 @@ source buffer is long enough such that this routine does not run off the
end and dereference non-existent or random memory; if the source buffer
is known to be null-terminated, this will not happen. If the input is
not in proper UTF-8 format, \fBTcl_UtfToUniChar\fR will store the first
byte of \fIsrc\fR in \fI*chPtr\fR as a Tcl_UniChar between 0x0080 and
0x00FF and return 1.
byte of \fIsrc\fR in \fI*chPtr\fR as a Tcl_UniChar between 0x80 and
0xFF and return 1.
.PP
\fBTcl_UniCharToUtfDString\fR converts the given Unicode string
to UTF-8, storing the result in a previously initialized \fBTcl_DString\fR.
@@ -197,10 +197,10 @@ characters.
.PP
\fBTcl_UtfCharComplete\fR returns 1 if the source UTF-8 string \fIsrc\fR
of \fIlength\fR bytes is long enough to be decoded by
\fBTcl_UtfToUniChar\fR, or 0 otherwise. This function does not guarantee
that the UTF-8 string is properly formed. This routine is used by
procedures that are operating on a byte at a time and need to know if a
full Tcl_UniChar has been seen.
\fBTcl_UtfToUniChar\fR/\fBTcl_UtfNext\fR, or 0 otherwise. This function
does not guarantee that the UTF-8 string is properly formed. This routine
is used by procedures that are operating on a byte at a time and need to
know if a full Tcl_UniChar has been seen.
.PP
\fBTcl_NumUtfChars\fR corresponds to \fBstrlen\fR for UTF-8 strings. It
returns the number of Tcl_UniChars that are represented by the UTF-8 string
@@ -221,7 +221,8 @@ Given \fIsrc\fR, a pointer to some location in a UTF-8 string,
\fBTcl_UtfNext\fR returns a pointer to the next UTF-8 character in the
string. The caller must not ask for the next character after the last
character in the string if the string is not terminated by a null
character.
character. \fBTcl_UtfCharComplete\fR can be used in that case to
make sure enough bytes are available before calling \fBTcl_UtfNext\fR.
.PP
\fBTcl_UtfPrev\fR is used to step backward through but not beyond the
UTF-8 string that begins at \fIstart\fR. If the UTF-8 string is made