Practical Programming in Tcl & Tk, Third Edition By Brent B. Welch
Table of Contents
Chapter 51. Tcl/Tk 8.0
Chapter 14 describes the Tcl namespace facility that partitions the global scope for variables and procedures. Namespaces are optional. Simple scripts can avoid them, but larger applications can use them for structuring. Library packages should also use namespaces to facility code sharing without conflict.
