Provided by: tk8.5-doc_8.5.19-3_all 

NAME
tkerror - Command invoked to process background errors
SYNOPSIS
tkerror message
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DESCRIPTION
Note: as of Tk 4.1 the tkerror command has been renamed to bgerror because the event loop (which is what
usually invokes it) is now part of Tcl. For backward compatibility the bgerror provided by the current
Tk version still tries to call tkerror if there is one (or an auto loadable one), so old script defining
that error handler should still work, but you should anyhow modify your scripts to use bgerror instead of
tkerror because that support for the old name might vanish in the near future. If that call fails,
bgerror posts a dialog showing the error and offering to see the stack trace to the user. If you want
your own error management you should directly override bgerror instead of tkerror. Documentation for
bgerror is available as part of Tcl's documentation.
KEYWORDS
background error, reporting
Tk 4.1 tkerror(3tk)