[ruby/uri] Fix spelling of "cannot"

https://github.com/ruby/uri/commit/77241d6508

lib/uri/file.rb

@@ -70,17 +70,17 @@ module URI
 
     # raise InvalidURIError
     def check_userinfo(user)
-      raise URI::InvalidURIError, "can not set userinfo for file URI"
+      raise URI::InvalidURIError, "cannot set userinfo for file URI"
     end
 
     # raise InvalidURIError
     def check_user(user)
-      raise URI::InvalidURIError, "can not set user for file URI"
+      raise URI::InvalidURIError, "cannot set user for file URI"
     end
 
     # raise InvalidURIError
     def check_password(user)
-      raise URI::InvalidURIError, "can not set password for file URI"
+      raise URI::InvalidURIError, "cannot set password for file URI"
     end
 
     # do nothing

lib/uri/generic.rb

@@ -393,7 +393,7 @@ module URI
     def check_user(v)
       if @opaque
         raise InvalidURIError,
-          "can not set user with opaque"
+          "cannot set user with opaque"
       end
 
       return v unless v
@@ -417,7 +417,7 @@ module URI
     def check_password(v, user = @user)
       if @opaque
         raise InvalidURIError,
-          "can not set password with opaque"
+          "cannot set password with opaque"
       end
       return v unless v
 
@@ -596,7 +596,7 @@ module URI
 
       if @opaque
         raise InvalidURIError,
-          "can not set host with registry or opaque"
+          "cannot set host with registry or opaque"
       elsif parser.regexp[:HOST] !~ v
         raise InvalidComponentError,
           "bad component(expected host component): #{v}"
@@ -685,7 +685,7 @@ module URI
 
       if @opaque
         raise InvalidURIError,
-          "can not set port with registry or opaque"
+          "cannot set port with registry or opaque"
       elsif !v.kind_of?(Integer) && parser.regexp[:PORT] !~ v
         raise InvalidComponentError,
           "bad component(expected port component): #{v.inspect}"
@@ -733,17 +733,17 @@ module URI
     end
 
     def check_registry(v) # :nodoc:
-      raise InvalidURIError, "can not set registry"
+      raise InvalidURIError, "cannot set registry"
     end
     private :check_registry
 
     def set_registry(v) #:nodoc:
-      raise InvalidURIError, "can not set registry"
+      raise InvalidURIError, "cannot set registry"
     end
     protected :set_registry
 
     def registry=(v)
-      raise InvalidURIError, "can not set registry"
+      raise InvalidURIError, "cannot set registry"
     end
 
     #
@@ -866,7 +866,7 @@ module URI
       # hier_part     = ( net_path | abs_path ) [ "?" query ]
       if @host || @port || @user || @path  # userinfo = @user + ':' + @password
         raise InvalidURIError,
-          "can not set opaque with host, port, userinfo or path"
+          "cannot set opaque with host, port, userinfo or path"
       elsif v && parser.regexp[:OPAQUE] !~ v
         raise InvalidComponentError,
           "bad component(expected opaque component): #{v}"
@@ -1235,7 +1235,7 @@ module URI
         return rel, rel
       end
 
-      # you can modify `rel', but can not `oth'.
+      # you can modify `rel', but cannot `oth'.
       return oth, rel
     end
     private :route_from0
@@ -1260,7 +1260,7 @@ module URI
     #   #=> #<URI::Generic /main.rbx?page=1>
     #
     def route_from(oth)
-      # you can modify `rel', but can not `oth'.
+      # you can modify `rel', but cannot `oth'.
       begin
         oth, rel = route_from0(oth)
       rescue