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2009-02-15 Don Porter <dgp@users.sourceforge.net>
+ * generic/tclStringObj.c: Replace the 'size_t uallocated' field
+ of the String struct, storing the number of bytes allocated to store
+ the Tcl_UniChar array, with an 'int maxChars' field, storing the
+ number of Tcl_UniChars that may be stored in the allocated space.
+ This reduces memory requirement a small bit, and makes some range
+ checks simpler to code.
+
* generic/tclStringObj.c: Removed limitation in
Tcl_AppendObjToObj where the char length of the result was only
computed if the appended string was all single byte characters.