Add patch for Tix 8.1.4.
diff --git a/PC/tix.diff b/PC/tix.diff
new file mode 100644
index 0000000..47688d7
--- /dev/null
+++ b/PC/tix.diff
@@ -0,0 +1,108 @@
+diff -ur tix-8.1.4/win/common.mak tix-8.1.4.new/win/common.mak
+--- tix-8.1.4/win/common.mak	2002-12-11 07:19:42.000000000 +0100
++++ tix-8.1.4.new/win/common.mak	2004-08-03 21:45:09.859375000 +0200
+@@ -18,10 +18,10 @@
+ #	    support files
+ #
+ #----------------------------------------------------------------------
+-TCL_VER          = 8.3
++TCL_VER          = 8.4
+ ITCL_VER          = 
+ 
+-INSTALLDIR      = C:\progra~1\tcl
++INSTALLDIR      = ..\..\tcl84
+ 
+ !IFNDEF TIX_DEBUG
+ NODEBUG = 1
+@@ -61,7 +61,7 @@
+ !IF "$(TCL_VER)" == "8.4"
+ TCLMAJOR=8
+ TCLMINOR=4
+-TCLPATCH=1
++TCLPATCH=7
+ TMPDIR          = tk$(TCL_VER)
+ !ENDIF
+ 
+@@ -176,14 +176,14 @@
+ 	$(TMPDIR)\tixWinWm.obj
+ 
+ RMDIR		= $(TCLDIR)\win\rmd.bat
+-MKDIR		= $(TCLDIR)\win\mkd.bat
++MKDIR		= mkdir
+ RM		= del
+ 
+ install:    install-binaries install-libraries
+ 
+ install-binaries: $(TCLSH)
+-	$(MKDIR) "$(BIN_INSTALL_DIR)"
+-	$(MKDIR) "$(LIB_INSTALL_DIR)"
++	-$(MKDIR) "$(BIN_INSTALL_DIR)"
++	-$(MKDIR) "$(LIB_INSTALL_DIR)"
+ 	@echo installing $(TIXDLL)
+ 	@copy "$(TIXDLL)" "$(BIN_INSTALL_DIR)"
+ 	@copy "$(TIXLIB)" "$(LIB_INSTALL_DIR)"
+diff -ur tix-8.1.4/win/makefile.vc tix-8.1.4.new/win/makefile.vc
+--- tix-8.1.4/win/makefile.vc	2002-12-02 04:02:54.000000000 +0100
++++ tix-8.1.4.new/win/makefile.vc	2004-08-03 21:42:07.953125000 +0200
+@@ -54,12 +54,11 @@
+ DBGX = d
+ !ENDIF
+ 
+-cc32   = "$(TOOLS32)\bin\cl.exe"
+-rc32   = "$(TOOLS32_rc)\bin\rc.exe"
+-link32 = "$(TOOLS32)\bin\link.exe"
+-include32 = -I"$(TOOLS32)\include"
++cc32   = "cl.exe"
++rc32   = "rc.exe"
++link32 = "link.exe"
+ 
+-TIX_INCLUDES = $(include32) \
++TIX_INCLUDES = \
+ 	-I$(ROOT)\win -I$(ROOT)\generic \
+ 	-I$(TKDIR)\generic -I$(TKDIR)\win -I$(TKDIR)\xlib \
+ 	-I$(TCLDIR)\generic $(ITCL_CFLAGS)
+@@ -171,7 +170,7 @@
+ #
+ cvarsdll  = -D_X86_=1 -DWIN32 -D_WIN32 -D_MT -D_DLL
+ cflagsdll = $(cvarsdll) -c -W3 -nologo -Fp$(TMPDIR)\ -YX -MD \
+-	    -Oti -Gs -GD
++	    -Oti -Gs -Gd
+ 
+ ######################################################################
+ # Project specific targets
+@@ -181,7 +180,6 @@
+ 
+ $(DUMPEXTS): $(WINDIR)\winDumpExts.c
+ 	$(cc32) $(CON_CFLAGS) -Fo$(TMPDIR)\ /c $?
+-	set LIB="$(TOOLS32)\lib"
+ 	$(link32) $(ldebug) $(conlflags) $(guilibs) -out:$@ \
+ 		$(TMPDIR)\winDumpExts.obj 
+ 
+@@ -193,7 +191,6 @@
+ # (ToDo) $(TIXDLL) doesn't have resources to define its icon, etc.
+ #
+ $(TIXDLL): $(TIXOBJS) $(TMPDIR)\tixvc.def
+-	set LIB="$(TOOLS32)\lib"
+ 	$(link32) $(ldebug) $(dlllflags) -def:$(TMPDIR)\tixvc.def \
+ 		$(TKLIBDIR)\$(TKLIB) $(TCLLIBDIR)\$(TCLLIB) $(guilibsdll) \
+ 		$(ITCL_LIBS) -out:$@ @<<
+@@ -202,7 +199,6 @@
+ 
+ 
+ $(TIXWISH): $(WISHOBJS) $(TIXOBJS) $(TIXLIB) $(TMPDIR)\tixwish.res
+-	set LIB="$(TOOLS32)\lib"
+ 	$(link32) $(ldebug) $(guilflags) \
+ 		$(WISHOBJS) $(TMPDIR)\tixwish.res $(TIXLIB) \
+ 		$(TKLIBDIR)\$(TKLIB) $(TCLLIBDIR)\$(TCLLIB) $(guilibsdll) \
+diff -ur tix-8.1.4/win/tk8.4/pkgIndex.tcl tix-8.1.4.new/win/tk8.4/pkgIndex.tcl
+--- tix-8.1.4/win/tk8.4/pkgIndex.tcl	2002-12-15 04:21:54.000000000 +0100
++++ tix-8.1.4.new/win/tk8.4/pkgIndex.tcl	2004-08-31 08:38:43.921875000 +0200
+@@ -15,7 +15,7 @@
+ # We look in the ../../bin directory (an installed Tcl)
+ lappend dirs ../../bin
+ # We look in the ../../DLLs directory (an installed Python)
+-lappend dirs ../../Dlls
++lappend dirs [file join [file dirname [info nameofexe]] DLLs]
+ # If not, this pkgIndex.tcl will probably fail.
+ 
+