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Diffstat (limited to 'doc/TraceVar.3')
| -rw-r--r-- | doc/TraceVar.3 | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/doc/TraceVar.3 b/doc/TraceVar.3 index 19cb467..c3edfa4 100644 --- a/doc/TraceVar.3 +++ b/doc/TraceVar.3 @@ -331,11 +331,11 @@ trace procedures will always be invoked. .SH "RESTRICTIONS" .PP A trace procedure can be called at any time, even when there -is a partially formed result in the interpreter's result area. If +are partially formed results stored in the interpreter. If the trace procedure does anything that could damage this result (such -as calling \fBTcl_Eval\fR) then it must save the original values of -the interpreter's \fBresult\fR and \fBfreeProc\fR fields and restore -them before it returns. +as calling \fBTcl_Eval\fR) then it must use the \fBTcl_SaveInterpState\fR +and related routines to save and restore the original state of +the interpreter before it returns. .SH "UNDEFINED VARIABLES" .PP It is legal to set a trace on an undefined variable. |