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-rw-r--r--doc/tclvars.n5
1 files changed, 5 insertions, 0 deletions
diff --git a/doc/tclvars.n b/doc/tclvars.n
index 84823e0..9aa14d5 100644
--- a/doc/tclvars.n
+++ b/doc/tclvars.n
@@ -254,6 +254,11 @@ so extension writers can specify which package to load depending on the
C run-time library that is in use. This is not an indication that this core
contains symbols.
.TP
+\fBengine\fR
+.
+The name of the Tcl language implementation. When the interpreter is first
+created, this is always set to the string \fBTcl\fR.
+.TP
\fBmachine\fR
The instruction set executed by this machine, such as
\fBintel\fR, \fBPPC\fR, \fB68k\fR, or \fBsun4m\fR. On UNIX machines, this