Restore original license to Tcl/Tk source code in each of the two appropriate directories. Somehow in the history of moving source code and projects, the license was separated from the source code.
projs/trunk/shared_source/c_tcl_base_7_5_w_mods/license.terms
projs/trunk/shared_source/c_tk_base_7_5_w_mods/license.terms