Index: library/lib/nx-shell.tcl
===================================================================
diff -u -N -r78c12b94b4cdcd5edb70a546b7bbb7c0a4724668 -rda2688b92e232f4263857d29f6bcca80f642d51a
--- library/lib/nx-shell.tcl	(.../nx-shell.tcl)	(revision 78c12b94b4cdcd5edb70a546b7bbb7c0a4724668)
+++ library/lib/nx-shell.tcl	(.../nx-shell.tcl)	(revision da2688b92e232f4263857d29f6bcca80f642d51a)
@@ -179,7 +179,7 @@
         }
         # watch out for on-return handlers
         if {$i < $l - 3 && [lindex $args $i] eq "on" && [lindex $args $j] in {return 2}} {
-          # imputate a wrapped return script
+          # inputate a wrapped return script
           set idx [expr {$i + 3}]
           set returnScript [lindex $args $idx]
           lset args $idx [list [current] onHandler $returnScript]
Index: library/lib/nx-zip.tcl
===================================================================
diff -u -N -r94dce307a006cd07e3495cfab84e643258e83df3 -rda2688b92e232f4263857d29f6bcca80f642d51a
--- library/lib/nx-zip.tcl	(.../nx-zip.tcl)	(revision 94dce307a006cd07e3495cfab84e643258e83df3)
+++ library/lib/nx-zip.tcl	(.../nx-zip.tcl)	(revision da2688b92e232f4263857d29f6bcca80f642d51a)
@@ -313,7 +313,7 @@
       # version needed to extract
       :writeShort 20
 
-      # general pupose bit flag
+      # general purpose bit flag
       :writeShort [expr {1<<11}]
       #:writeShort 0
 
Index: library/serialize/serializer.tcl
===================================================================
diff -u -N -re48161ab167236344f7d23da3e855c31d1a1ebc7 -rda2688b92e232f4263857d29f6bcca80f642d51a
--- library/serialize/serializer.tcl	(.../serializer.tcl)	(revision e48161ab167236344f7d23da3e855c31d1a1ebc7)
+++ library/serialize/serializer.tcl	(.../serializer.tcl)	(revision da2688b92e232f4263857d29f6bcca80f642d51a)
@@ -139,7 +139,7 @@
   }
 
   ###########################################################################
-  # Serializer Class, independent from Object System
+  # Serializer Class, independent of Object System
   ###########################################################################
 
   Class create Serializer {