Fix typos in examples.

Thanks to Eugene Klimov.

examples/box-dynamic-module/box.c

@@ -55,7 +55,7 @@ print_box (SCM b, SCM port, scm_print_state *pstate)
 }
 
 
-/* This defines the primitve `make-box', which returns a new smob of
+/* This defines the primitive `make-box', which returns a new smob of
    type `box', initialized to `#f'.  */
 static SCM
 #define FUNC_NAME "make-box"

examples/box-dynamic/box.c

@@ -55,7 +55,7 @@ print_box (SCM b, SCM port, scm_print_state *pstate)
 }
 
 
-/* This defines the primitve `make-box', which returns a new smob of
+/* This defines the primitive `make-box', which returns a new smob of
    type `box', initialized to `#f'.  */
 static SCM
 #define FUNC_NAME "make-box"

examples/box/box.c

@@ -55,7 +55,7 @@ print_box (SCM b, SCM port, scm_print_state *pstate)
 }
 
 
-/* This defines the primitve `make-box', which returns a new smob of
+/* This defines the primitive `make-box', which returns a new smob of
    type `box', initialized to `#f'.  */
 static SCM
 #define FUNC_NAME "make-box"
@@ -109,7 +109,7 @@ box_set_x (SCM b, SCM value)
 
 
 /* Create and initialize the new smob type, and register the
-   primitives withe the interpreter library.  */
+   primitives with the interpreter library.  */
 static void
 init_box_type (void)
 {

examples/modules/README

@@ -17,7 +17,7 @@ installed and available with the standard installation prefix
 
   The main program, which uses the modules described below to perform
   some actions.  Module usage and selective importing as well as
-  renaming is demonstrated here.n
+  renaming is demonstrated here.
 
   $ ./main
 

examples/web/debug-sxml.scm

@@ -1,6 +1,6 @@
 ;;; Commentary:
 
-;;; A simple debugging server that responds to all responses with a
+;;; A simple debugging server that responds to all requests with a
 ;;; table containing the headers given in the request.
 ;;;
 ;;; As a novelty, this server uses a little micro-framework to build up