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Practical Programming in Tcl & Tk, Third Edition
By Brent B. Welch

Table of Contents
Chapter 51.  Tcl/Tk 8.0

tcl_precision Variable

The tcl_precision variable was removed in the 8.0p2 release, and added back in the 8.0.3 release. Its default value was increased from 6 to 12, which should be enough for most applications.

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