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bltdebug - print Tcl commands before execution
bltdebug ?level ?
The bltdebug command is a simple
tracing facility for Tcl commands. Each command line is printed before
it is executed on standard error. The output consists of the command line
both before and after substitutions have occurred. Level indicates at
what level to stop tracing commands. If level is 0 , no tracing is performed.
This is the default. If no level argument is given, the current level
is printed.
debug
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