Patch by Sergei Golovan fixes bad whatis entries for older versions of
struct::graph, struct::matrix and struct::tree packages.

--- tcllib-1.12-dfsg.orig/modules/struct/graph1.man
+++ tcllib-1.12-dfsg/modules.struct/graph1.man
@@ -1,8 +1,8 @@
 [comment {-*- tcl -*-}]
-[manpage_begin {struct::graph v1} n 1.2.1]
+[manpage_begin {struct::graph1} n 1.2.1]
 [copyright {2002 Andreas Kupries <andreas_kupries@users.sourceforge.net>}]
 [moddesc   {Tcl Data Structures}]
-[titledesc {Create and manipulate directed graph objects}]
+[titledesc {Create and manipulate directed graph objects (version 1)}]
 [category  {Data structures}]
 [require Tcl 8.2]
 [require struct::graph [opt 1.2.1]]
--- tcllib-1.12-dfsg.orig/modules/struct/matrix1.man
+++ tcllib-1.12-dfsg/modules.struct/matrix1.man
@@ -1,8 +1,8 @@
 [comment {-*- tcl -*-}]
-[manpage_begin {struct::matrix v1} n 1.2.1]
+[manpage_begin {struct::matrix1} n 1.2.1]
 [copyright {2002 Andreas Kupries <andreas_kupries@users.sourceforge.net>}]
 [moddesc   {Tcl Data Structures}]
-[titledesc {Create and manipulate matrix objects}]
+[titledesc {Create and manipulate matrix objects (version 1)}]
 [category  {Data structures}]
 [require Tcl 8.2]
 [require struct::matrix [opt 1.2.1]]
--- tcllib-1.12-dfsg.orig/modules/struct/struct_tree1.man
+++ tcllib-1.12-dfsg/modules.struct/struct_tree1.man
@@ -1,8 +1,8 @@
 [comment {-*- tcl -*-}]
-[manpage_begin {struct::tree v1} n 1.2.2]
+[manpage_begin {struct::tree1} n 1.2.2]
 [copyright {2002 Andreas Kupries <andreas_kupries@users.sourceforge.net>}]
 [moddesc   {Tcl Data Structures}]
-[titledesc {Create and manipulate tree objects}]
+[titledesc {Create and manipulate tree objects (version 1)}]
 [category  {Data structures}]
 [require Tcl 8.2]
 [require struct::tree [opt 1.2.2]]