diff options
Diffstat (limited to 'doc/catch.n')
| -rw-r--r-- | doc/catch.n | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/doc/catch.n b/doc/catch.n index 8d885d4..0a2c513 100644 --- a/doc/catch.n +++ b/doc/catch.n @@ -30,10 +30,12 @@ return codes: 1 (\fBTCL_ERROR\fR), 2 (\fBTCL_RETURN\fR), 3 (\fBTCL_BREAK\fR), and 4 (\fBTCL_CONTINUE\fR). Errors during evaluation of a script are indicated by a return code of \fBTCL_ERROR\fR. The other exceptional return codes are returned by the \fBreturn\fR, \fBbreak\fR, and \fBcontinue\fR commands -and in other special situations as documented. Tcl packages can define -new commands that return other integer values as return codes as well, -and scripts that make use of the \fBreturn \-code\fR command can also -have return codes other than the five defined by Tcl. +and in other special situations as documented. +New commands defined by Tcl packages as well as scripts that make +use of the \fBreturn \-code\fR command can return other integer +values as the return code. These must however lie outside the range +reserved for Tcl as documented for the \fBreturn\fR command. + .PP If the \fIresultVarName\fR argument is given, then the variable it names is set to the result of the script evaluation. When the return code from the |