diff options
| -rw-r--r-- | doc/TraceVar.3 | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/doc/TraceVar.3 b/doc/TraceVar.3 index 649565a..2a3c58d 100644 --- a/doc/TraceVar.3 +++ b/doc/TraceVar.3 @@ -137,9 +137,11 @@ trace was created. \fIclientData\fR typically points to an application-specific data structure that describes what to do when \fIproc\fR is invoked. -\fIName1\fR and \fIname2\fR give the name of the traced variable -in the normal two-part form (see the description of \fBTcl_TraceVar2\fR -below for details). +\fIName1\fR and \fIname2\fR give the name of the variable that +triggered the callback in the normal two-part form (see the description +of \fBTcl_TraceVar2\fR below for details). In case \fIname1\fR is an +alias to an array element (created through facilities such as \fBupvar\fR), +\fIname2\fR holds the index of the array element, rather than NULL. \fIFlags\fR is an OR-ed combination of bits providing several pieces of information. One of the bits \fBTCL_TRACE_READS\fR, \fBTCL_TRACE_WRITES\fR, |