ADDED    modules/textutil/patch.tcl
ADDED    modules/textutil/patch.test
Index: modules/textutil/pkgIndex.tcl
==================================================================
--- modules/textutil/pkgIndex.tcl
+++ modules/textutil/pkgIndex.tcl
@@ -9,5 +9,9 @@
 package ifneeded textutil::tabify   0.7   [list source [file join $dir tabify.tcl]]
 package ifneeded textutil::repeat   0.7   [list source [file join $dir repeat.tcl]]
 package ifneeded textutil::string   0.8   [list source [file join $dir string.tcl]]
 package ifneeded textutil::expander 1.3.1 [list source [file join $dir expander.tcl]]
 package ifneeded textutil::wcswidth 35.0  [list source [file join $dir wcswidth.tcl]]
+
+if {![package vsatisfies [package provide Tcl] 8.5]} { return }
+
+package ifneeded textutil::patch 0.1 [list source [file join $dir patch.tcl]]