Remove trailing whitespace.

32 files changed, 121 insertions, 121 deletions

diff --git a/build/cxx.m4 b/build/cxx.m4
index 58e4f85e..718c7c6a 100644
--- a/build/cxx.m4
+++ b/build/cxx.m4
@@ -159,8 +159,8 @@ AS_VAR_IF([glibmm_cv_cxx_can_use_dynamic_cast_in_unused_template_without_definit
 
 ## GLIBMM_CXX_CAN_ASSIGN_NON_EXTERN_C_FUNCTIONS_TO_EXTERN_C_CALLBACKS
 ##
-## Check whether the compiler allows us to use a non-extern "C" function, 
-## such as a static member function, to an extern "C" function pointer, 
+## Check whether the compiler allows us to use a non-extern "C" function,
+## such as a static member function, to an extern "C" function pointer,
 ## such as a GTK+ callback.
 ##
 AC_DEFUN([GLIBMM_CXX_CAN_ASSIGN_NON_EXTERN_C_FUNCTIONS_TO_EXTERN_C_CALLBACKS],
diff --git a/build/cxx_std.m4 b/build/cxx_std.m4
index 6708dc51..a7bfab56 100644
--- a/build/cxx_std.m4
+++ b/build/cxx_std.m4
@@ -179,7 +179,7 @@ AC_DEFUN([GLIBMM_CXX_ALLOWS_STATIC_INLINE_NPOS],
     [[
       #include <string>
       #include <iostream>
-      
+
       class ustringtest
       {
         public:
diff --git a/gio/src/action.hg b/gio/src/action.hg
index 5f5e8647..a7ce66ef 100644
--- a/gio/src/action.hg
+++ b/gio/src/action.hg
@@ -103,7 +103,7 @@ public:
   void get_state_hint(T_Value& value) const;
 
   //TODO: When we can break ABI, Return a Glib::VariantContainerBase,
-  // as we already do for ActionGroup::get_action_state_hint(), 
+  // as we already do for ActionGroup::get_action_state_hint(),
   // because that is what this returns (to specify a range).
   _WRAP_METHOD(Glib::VariantBase get_state_hint_variant() const, g_action_get_state_hint)
 
@@ -111,13 +111,13 @@ public:
 
   /** Request for the state of @a action to be changed to @a value,
    * assuming that the action has the expected state type.
-   * 
+   *
    * See get_state_type().
-   * 
+   *
    * This call merely requests a change.  The action may refuse to change
    * its state or may change its state to something other than @a value.
    * See get_state_hint().
-   * 
+   *
    * @newin{2,38}
    *
    * @param value The new state.
@@ -195,7 +195,7 @@ public:
 
   /** Formats a detailed action name from the action's action_name and @a target_value.
    *
-   * This function is the opposite of parse_detailed_action_name(). 
+   * This function is the opposite of parse_detailed_action_name().
    * It will produce a string that can be parsed back to the @a action_name
    * and @a target_value by that function.
    *
diff --git a/gio/src/actionmap.hg b/gio/src/actionmap.hg
index 6bbc46d1..22241f12 100644
--- a/gio/src/actionmap.hg
+++ b/gio/src/actionmap.hg
@@ -119,7 +119,7 @@ public:
    */
   Glib::RefPtr<SimpleAction> add_action_bool(const Glib::ustring& name, const ActivateSlot& slot, bool state = false);
 
-  
+
 //TODO: Docs: Add hints about how to specify the various possible states in the GtkBuilder XML.
   /** A convenience method for creating a string-based radio SimpleAction instance
    * and adding it to the ActionMap.
@@ -137,7 +137,7 @@ public:
    * void on_slot_activated(const Glib::VariantBase& parameter);
    */
   using ActivateWithStringParameterSlot = sigc::slot<void, const Glib::ustring&>;
-  
+
 //TODO: Docs: Add hints about how to specify the various possible states in the GtkBuilder XML.
   /** A convenience method for creating a string-based radio SimpleAction instance
    * and adding it to the ActionMap.
@@ -166,7 +166,7 @@ public:
    * void on_slot_activated(const Glib::VariantBase& parameter);
    */
   using ActivateWithIntParameterSlot = sigc::slot<void, int>;
-  
+
 //TODO: Docs: Add hints about how to specify the various possible states in the GtkBuilder XML.
   /** A convenience method for creating an integer-based radio SimpleAction instance
    * and adding it to the ActionMap.
diff --git a/gio/src/cancellable.hg b/gio/src/cancellable.hg
index 47196c09..fc8bff85 100644
--- a/gio/src/cancellable.hg
+++ b/gio/src/cancellable.hg
@@ -65,13 +65,13 @@ public:
   /** Convenience function to connect to the Cancellable::signal_cancelled()
    * signal. Also handles the race condition that may happen
    * if the cancellable is cancelled right before connecting.
-   * 
+   *
    * @a slot is called at most once, either directly at the
    * time of the connect if @a cancellable is already cancelled,
    * or when @a cancellable is cancelled in some thread.
-   * 
+   *
    * See Cancellable::signal_cancelled() for details on how to use this.
-   * 
+   *
    * @newin{2,22}
    *
    * @param slot The slot to connect.
diff --git a/gio/src/charsetconverter.hg b/gio/src/charsetconverter.hg
index d5f8d87d..0d79fbb2 100644
--- a/gio/src/charsetconverter.hg
+++ b/gio/src/charsetconverter.hg
@@ -41,7 +41,7 @@ protected:
 
 public:
   /** Creates a new CharsetConverter.
-   * 
+   *
    * @newin{2,24}
    *
    * @param to_charset Destination charset.
diff --git a/gio/src/file.hg b/gio/src/file.hg
index 71e1ca96..25c182f2 100644
--- a/gio/src/file.hg
+++ b/gio/src/file.hg
@@ -133,11 +133,11 @@ public:
 
   //Note that the implementation of equal() is already virtual via equal_vfunc().
   /** Checks equality of two given Files.
-   * 
+   *
    * Note that two Files that differ can still refer to the same
    * file on the filesystem due to various forms of filename
    * aliasing.
-   * 
+   *
    * This call does no blocking I/O.
    * @param other The other File.
    * @return <tt>true</tt> if @a *this and @a other are equal.
diff --git a/gio/src/menuitem.hg b/gio/src/menuitem.hg
index 9c54a459..55903934 100644
--- a/gio/src/menuitem.hg
+++ b/gio/src/menuitem.hg
@@ -161,9 +161,9 @@ _DEPRECATE_IFDEF_END
  _WRAP_METHOD(void set_icon(const Glib::RefPtr<Icon>& icon), g_menu_item_set_icon)
 
   /** Unset the icon on the menu item.
-   * 
+   *
    * See set_icon().
-   * 
+   *
    * @newin{2,38}
    */
   void unset_icon();
diff --git a/gio/src/mount.hg b/gio/src/mount.hg
index 2e91bea3..4ad47904 100644
--- a/gio/src/mount.hg
+++ b/gio/src/mount.hg
@@ -213,7 +213,7 @@ public:
    * If any errors occurred during the operation, an exception will be thrown.
    * In particular, you may get a Gio::Error::NOT_SUPPORTED if the mount
    * does not support content guessing.
-   * 
+   *
    * @newin{2,18}
    *
    * @param result An AsyncResult.
diff --git a/gio/src/simpleaction.hg b/gio/src/simpleaction.hg
index 9a328198..d1e6f239 100644
--- a/gio/src/simpleaction.hg
+++ b/gio/src/simpleaction.hg
@@ -83,10 +83,10 @@ public:
 
   //TODO: Add a templated version of this to avoid the need fo Gio::Variant by the caller.
   /** Creates a new stateful action.
-   * 
+   *
    * @a state is the initial state of the action.  All future state values
    * must have the same VariantType as the initial state.
-   * 
+   *
    * @newin{2,38}
    *
    * @param name The name of the action.
@@ -99,10 +99,10 @@ public:
   //TODO: Create a derived SimpleToggleAction class for this?
   //TODO: Document how the app must handle signal_activate() to call change_state().
   /** Creates a new boolean stateful action.
-   * 
+   *
    * @a state is the initial state of the action.  All future state values
    * must also be bool.
-   * 
+   *
    * @newin{2,38}
    *
    * @param name The name of the action.
@@ -118,7 +118,7 @@ public:
   //TODO: Check whether glib now has API to use enums for this: See https://bugzilla.gnome.org/show_bug.cgi?id=705483
   //TODO: Suggest other API that could be used to activate or discover the currently-select radio value.
   /** Creates a new radio action with a string-based target value.
-   * 
+   *
    * @newin{2,38}
    *
    * @param name The name of the action.
@@ -135,7 +135,7 @@ public:
   //TODO: Suggest other API that could be used to activate or discover the currently-select radio value.
   //TODO: Check that the need for type="i" in the XML is documented: See https://bugzilla.gnome.org/show_bug.cgi?id=704392#c14
   /** Creates a new radio action with an integer-based target value.
-   * 
+   *
    * @newin{2,38}
    *
    * @param name The name of the action.
diff --git a/gio/src/tlsconnection.hg b/gio/src/tlsconnection.hg
index 7a4a044e..80852f1e 100644
--- a/gio/src/tlsconnection.hg
+++ b/gio/src/tlsconnection.hg
@@ -37,7 +37,7 @@ class TlsInteraction;
  * TlsConnection is the base TLS connection class type, which wraps an IOStream
  * and provides TLS encryption on top of it. Its subclasses,
  * TlsClientConnection and TlsServerConnection, implement client-side and
- * server-side TLS, respectively. 
+ * server-side TLS, respectively.
  * @newin{2,36}
  */
 class TlsConnection : public IOStream
diff --git a/gio/src/tlsinteraction.hg b/gio/src/tlsinteraction.hg
index 37abbbc1..1f48904f 100644
--- a/gio/src/tlsinteraction.hg
+++ b/gio/src/tlsinteraction.hg
@@ -51,7 +51,7 @@ class TlsPassword;
  * they'd like to support by overriding those virtual methods. Any interactions
  * not implemented will return Gio::TLS_INTERACTION_UNHANDLED. If a derived
  * class implements an async method, it must also implement the corresponding
- * finish method. 
+ * finish method.
  * @newin{2,36}
  */
 class TlsInteraction : public Glib::Object
diff --git a/gio/src/unixconnection.hg b/gio/src/unixconnection.hg
index 25f9c5ee..8134ad67 100644
--- a/gio/src/unixconnection.hg
+++ b/gio/src/unixconnection.hg
@@ -57,7 +57,7 @@ public:
    * When the operation is finished, @a slot will be called. You can then call
    * receive_credentials_finish() to get the result of the operation.
    *
-   * @param slot A SlotAsyncReady to call when the request is satisfied. 
+   * @param slot A SlotAsyncReady to call when the request is satisfied.
    * @param cancellable A Cancellable object.
    * @newin{2,36}
    */
@@ -79,8 +79,8 @@ public:
    * When the operation is finished, @a slot will be called. You can then call
    * send_credentials_finish() to get the result of the operation.
    *
-   * @param slot A SlotAsyncReady to call when the request is satisfied. 
-   * @param cancellable A Cancellable object.  
+   * @param slot A SlotAsyncReady to call when the request is satisfied.
+   * @param cancellable A Cancellable object.
    * @newin{2,36}
    */
   void send_credentials_async(const SlotAsyncReady& slot,
diff --git a/glib/src/datetime.hg b/glib/src/datetime.hg
index 023cca31..8a4a4a8b 100644
--- a/glib/src/datetime.hg
+++ b/glib/src/datetime.hg
@@ -93,7 +93,7 @@ public:
 
   /** Calculates the difference in time between @a *this and @a other.  The
    * TimeSpan that is returned is effectively @a *this - @a other.
-   * 
+   *
    * @newin{2,26}
    *
    * @param other The other DateTime.
@@ -105,7 +105,7 @@ public:
 #m4 _CONVERSION(`const DateTime&',`gconstpointer',`static_cast<gconstpointer>($3.gobj())')
   /** A comparison function for DateTimes that is suitable
    * as a CompareFunc.
-   * 
+   *
    * @newin{2,26}
    *
    * @param other The DateTime to compare with.
@@ -117,10 +117,10 @@ public:
   _WRAP_METHOD(guint hash() const, g_date_time_hash)
 
   /** Checks to see if @a *this and @a other are equal.
-   * 
+   *
    * Equal here means that they represent the same moment after converting
    * them to the same time zone.
-   * 
+   *
    * @newin{2,26}
    *
    * @param other The DateTime to compare with.
diff --git a/glib/src/keyfile.hg b/glib/src/keyfile.hg
index f7094b69..c43ccb0b 100644
--- a/glib/src/keyfile.hg
+++ b/glib/src/keyfile.hg
@@ -172,7 +172,7 @@ public:
   _WRAP_METHOD(bool save_to_file(const std::string& filename), g_key_file_save_to_file, errthrow)
 
   _WRAP_METHOD(Glib::ustring get_start_group() const, g_key_file_get_start_group)
-	
+
   /** Gets a list of all groups in the KeyFile
    * @returns A list containing the names of the groups
    */
@@ -189,7 +189,7 @@ public:
 
   _WRAP_METHOD(bool has_group(const Glib::ustring& group_name) const, g_key_file_has_group)
   _WRAP_METHOD(bool has_key(const Glib::ustring& group_name, const Glib::ustring& key) const, g_key_file_has_key, errthrow)
-	
+
   _WRAP_METHOD(Glib::ustring get_value(const Glib::ustring& group_name, const Glib::ustring& key) const, g_key_file_get_value, errthrow)
   _WRAP_METHOD(Glib::ustring get_string(const Glib::ustring& group_name, const Glib::ustring& key) const, g_key_file_get_string, errthrow)
 
@@ -283,7 +283,7 @@ public:
    */
   Glib::ArrayHandle<Glib::ustring> get_string_list(const Glib::ustring& group_name, const Glib::ustring& key) const;
   _IGNORE(g_key_file_get_string_list)
-	
+
   /** Returns the values associated with @a key under @a group_name
    * translated into the current locale, if available.
    * @param group_name The name of a group
@@ -345,7 +345,7 @@ public:
   Glib::ustring get_comment(const Glib::ustring& group_name) const;
 
   _WRAP_METHOD(Glib::ustring get_comment(const Glib::ustring& group_name, const Glib::ustring& key) const, g_key_file_get_comment, errthrow)
-	
+
   _WRAP_METHOD(void set_list_separator(gchar separator), g_key_file_set_list_separator)
   _WRAP_METHOD(void set_value(const Glib::ustring& group_name, const Glib::ustring& key, const Glib::ustring& value), g_key_file_set_value)
   _WRAP_METHOD(void set_string(const Glib::ustring& group_name, const Glib::ustring& key, const Glib::ustring& string), g_key_file_set_string)
@@ -354,7 +354,7 @@ public:
   _WRAP_METHOD(void set_integer(const Glib::ustring& group_name, const Glib::ustring& key, int value), g_key_file_set_integer)
   _WRAP_METHOD(void set_int64(const Glib::ustring& group_name, const Glib::ustring& key, gint64 value), g_key_file_set_int64)
   _WRAP_METHOD(void set_uint64(const Glib::ustring& group_name, const Glib::ustring& key, guint64 value), g_key_file_set_uint64)
-	
+
   /** Sets a list of string values for @a key under @a group_name. If
    * key cannot be found it is created. If @a group_name cannot be found
    * it is created.
@@ -384,7 +384,7 @@ public:
    */
   void set_boolean_list(const Glib::ustring& group_name, const Glib::ustring& key, const Glib::ArrayHandle<bool>& list);
   _IGNORE(g_key_file_set_boolean_list)
-	
+
   /** Sets a list of integers for the @a key under @a group_name.
    * If either the @a key or @a group_name cannot be found they are created.
    * @param group_name The name of a group
diff --git a/glib/src/optioncontext.hg b/glib/src/optioncontext.hg
index 9d0eb6c7..5da87e45 100644
--- a/glib/src/optioncontext.hg
+++ b/glib/src/optioncontext.hg
@@ -62,7 +62,7 @@ _WRAP_GERROR(OptionError, GOptionError, G_OPTION_ERROR, NO_GTYPE)
  * to parse(). See Gtk::Main::add_gtk_option_group(), for an example.
  *
  * Add options by creating OptionEntry instances and appropriately-typed variables,
- * and adding them to an OptionGroup with OptionGroup::add_entry() or 
+ * and adding them to an OptionGroup with OptionGroup::add_entry() or
  * OptionGroup::add_entry_filename(). The option group should then be added to
  * the OptionContext with set_main_group() or add_group().
  *
@@ -76,7 +76,7 @@ _WRAP_GERROR(OptionError, GOptionError, G_OPTION_ERROR, NO_GTYPE)
  * Note that this only works if setlocale() has been called before
  * OptionContext::parse().
  *
- * OptionContext can automatically generate nicely formatted help output. Unless it is 
+ * OptionContext can automatically generate nicely formatted help output. Unless it is
  * explicitly turned off with set_help_enabled(), this will recognize
  * the --help, -?, --help-all and --help-groupname options
  * (where groupname is the name of an OptionGroup) and write suitable text to
diff --git a/glib/src/template.macros.m4 b/glib/src/template.macros.m4
index 33b8b973..1a240593 100644
--- a/glib/src/template.macros.m4
+++ b/glib/src/template.macros.m4
@@ -1,27 +1,27 @@
 dnl-----------------------------------------------------------------------
-dnl 
+dnl
 dnl Karls M4 macros for the signal system used by gtk--
-dnl 
+dnl
 dnl  Copyright (C) 1998-2002 The gtkmm Development Team
-dnl 
+dnl
 dnl  Currently maintained by Tero Pulkkinen. <terop@modeemi.cs.tut.fi>
-dnl                                                         
+dnl
 dnl  This library is free software; you can redistribute it and/or
 dnl  modify it under the terms of the GNU Lesser General Public
 dnl  License as published by the Free Software Foundation; either
 dnl  version 2.1 of the License, or (at your option) any later version.
-dnl 
+dnl
 dnl  This library is distributed in the hope that it will be useful,
 dnl  but WITHOUT ANY WARRANTY; without even the implied warranty of
 dnl  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 dnl  Lesser General Public License for more details.
-dnl 
+dnl
 dnl  You should have received a copy of the GNU Lesser General Public
 dnl  License along with this library; if not, write to the Free
 dnl  Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-dnl 
+dnl
 dnl-----------------------------------------------------------------------
-dnl  Recursion prevention.  (Don't attempt to understand why this works!) 
+dnl  Recursion prevention.  (Don't attempt to understand why this works!)
 changequote(, )dnl
 changequote([, ])dnl
 pushdef([DIVERSION],divnum)dnl
@@ -33,7 +33,7 @@ dnl-----------------------------------------------------------------------
 
 
 dnl
-dnl  M4 macros for general sanity 
+dnl  M4 macros for general sanity
 dnl
 
 dnl  M4 Quotas are hard to work with, so use braces like autoconf
@@ -46,7 +46,7 @@ dnl  M4 comments conflict with compiler directives
 changecom(, )
 
 dnl  BRACE(text) => [text]
-dnl    When we want something to appear with braces 
+dnl    When we want something to appear with braces
 define([BRACE],[[[$*]]])
 
 dnl
@@ -99,12 +99,12 @@ divert(CURRENT_DIVERSION)dnl
 popdef([CURRENT_DIVERSION])dnl],[[minclude]])])
 
 dnl
-dnl    makes the current filename into a string approprate for use as 
+dnl    makes the current filename into a string approprate for use as
 dnl    C identified define.  (Defaults to this library name)
 dnl
-dnl    example:  (filename test.hh.m4) 
-dnl      __header__          => SIGCXX_TEST_H 
-dnl      __header__(MYHEAD)  => MYHEAD_TEST_H 
+dnl    example:  (filename test.hh.m4)
+dnl      __header__          => SIGCXX_TEST_H
+dnl      __header__(MYHEAD)  => MYHEAD_TEST_H
 dnl define([__header__],[ifelse($1,,[SIGCXX],UPPER($1))[_]UPPER(patsubst(translit(BASENAME(__file__),[.-],[__]),[_m4],[]))])
 define([__header__],[ifelse($1,,[_GLIBMM],UPPER($1))[_]UPPER_SAFE(M4NAME(__file__))])
 
@@ -113,7 +113,7 @@ dnl Set of M4 macros for variable argument template building
 dnl
 
 dnl ARGS(name,number)
-dnl  Builds a comma seperated protected list of numbered names  
+dnl  Builds a comma seperated protected list of numbered names
 dnl  Use this as short hand to specify arguement names
 dnl
 dnl  ARGS(arg,3)  => ARG1,ARG2,ARG3
@@ -123,8 +123,8 @@ define([ARGS],[ifelse(eval($2>0),1,[PROT(_ARGS(UPPER([$1]),1,$2))],[PROT])])
 dnl
 dnl LIST(string1,string2,...)
 dnl   These are intended for making extended argument lists
-dnl   parameters are in pairs,  the first is output if the 
-dnl   2nd is nonzero length,  the process is then repeated 
+dnl   parameters are in pairs,  the first is output if the
+dnl   2nd is nonzero length,  the process is then repeated
 dnl   with the next set of arguments.
 dnl
 dnl   Macro expansions that expand to result in commas must call
@@ -132,7 +132,7 @@ dnl   PROT to prevent permature expansion.  ARG* macros do
 dnl   this automatically.  (If unsure, add braces until it stops
 dnl   interpreting inter macros, remove one set of braces, if
 dnl   still not right use PROT)
-dnl 
+dnl
 dnl   (LIST is probably the most useful macro in the set.)
 define([LIST],[ifelse($#,0,,$#,1,[$1],[$1],,[LIST(shift($@))],[__LIST($@)])])
 define([__LIST],[ifelse($#,0,,$#,1,[$1],[$1[]ifelse([$2],,,[[,]])__LIST(shift($@))])])
@@ -150,7 +150,7 @@ dnl     define([FOO],[foo([$1])])
 dnl     ARG_LOOP([FOO],[[, ]],A,B,C)
 dnl
 dnl     Gives:  foo(A), foo(B), foo(C)
-dnl 
+dnl
 define([_ARG_LOOP],[dnl
 ifelse(NUM($*),0,,NUM($*),1,[dnl
 indir(LOOP_FORMAT,[$1])],[dnl
@@ -165,7 +165,7 @@ popdef([LOOP_SEPERATOR])dnl
 ])
 
 
-dnl 
+dnl
 dnl  Define some useful formats for use with ARG_LOOP.
 define([FORMAT_ARG_CLASS],[class [$1]])
 define([FORMAT_ARG_BOTH],[[$1] LOWER([$1])])
@@ -212,12 +212,12 @@ dnl   (occasionally useful)
 define([DROP],[ifelse([$1],[$2],,[$*])])
 
 dnl
-dnl LINE(linenum) 
+dnl LINE(linenum)
 dnl   places a #line statement if __debug__ set
-dnl   Use this at top of macro template and following 
+dnl   Use this at top of macro template and following
 dnl   macros that contain newlines.
 dnl
-dnl   example:  
+dnl   example:
 dnl      LINE(]__line__[)dnl
 define([LINE],[ifdef([__debug__],[#line $1 "]__file__["
 ])])
diff --git a/glib/src/variant.hg b/glib/src/variant.hg
index 7ecc0eb3..f855db72 100644
--- a/glib/src/variant.hg
+++ b/glib/src/variant.hg
@@ -158,7 +158,7 @@ _DEPRECATE_IFDEF_END
   _WRAP_METHOD(guint hash() const, g_variant_hash)
 
   /** Checks if @a *this and @a other have the same type and value.
-   * 
+   *
    * @newin{2,24}
    *
    * @param other The Variant to compare with.
diff --git a/glib/src/variantdict.hg b/glib/src/variantdict.hg
index 296f1e2d..59749533 100644
--- a/glib/src/variantdict.hg
+++ b/glib/src/variantdict.hg
@@ -84,7 +84,7 @@ public:
   _WRAP_METHOD(void insert_value_variant(const Glib::ustring& key, const VariantBase& value), g_variant_dict_insert_value)
 
   /** Inserts (or replaces) a key in a VariantDict.
-   * 
+   *
    * @param key The key to insert a value for.
    * @param value The value to insert.
    */
diff --git a/glib/src/varianttype.hg b/glib/src/varianttype.hg
index 6093afd2..19327ab4 100644
--- a/glib/src/varianttype.hg
+++ b/glib/src/varianttype.hg
@@ -146,15 +146,15 @@ public:
   _WRAP_METHOD(guint hash() const, g_variant_type_hash)
 
   /** Compares @a *this and @a other for equality.
-   * 
+   *
    * Only returns <tt>true</tt> if the types are exactly equal.  Even if one type
    * is an indefinite type and the other is a subtype of it, <tt>false</tt> will
    * be returned if they are not exactly equal.  If you want to check for
    * subtypes, use is_subtype_of().
-   * 
+   *
    * @param other The VariantType to compare with.
    * @return <tt>true</tt> if @a *this and @a other are exactly equal.
-   * 
+   *
    * @newin{2,24}
    */
   _WRAP_METHOD(bool equal(const VariantType& other) const, g_variant_type_equal)
diff --git a/tools/enum.pl b/tools/enum.pl
index c8dd301b..8b52d8cb 100755
--- a/tools/enum.pl
+++ b/tools/enum.pl
@@ -214,15 +214,15 @@ sub process($$)
     else
     {
       do
-      {							        
+      {
         $brackets_count += () = $lines[$iter] =~ /\(/g;
-	$brackets_count -= () = $lines[$iter] =~ /\)/g;	
+	$brackets_count -= () = $lines[$iter] =~ /\)/g;
 	$iter++;
       } while ($iter < scalar @lines && $brackets_count != 0);
     }
 
     my $i = join(',', @lines[$begin..$iter-1]);
-    
+
     # remove leading and trailing spaces.
     $i =~ s/^\s+//;
     $i =~ s/\s+$//;
diff --git a/tools/m4/base.m4 b/tools/m4/base.m4
index a577075d..24deb019 100644
--- a/tools/m4/base.m4
+++ b/tools/m4/base.m4
@@ -2,9 +2,9 @@ dnl $Id$
 divert(-1)
 
 dnl
-dnl The general convention is 
+dnl The general convention is
 dnl   _* are macros
-dnl   __*__ are variables 
+dnl   __*__ are variables
 
 dnl
 dnl  rename several m4 builtins to avoid name clashes
@@ -66,7 +66,7 @@ m4_include(initialize.m4)
 
 dnl
 dnl ----------------------- Utility Macros -------------------------
-dnl 
+dnl
 
 dnl
 dnl Add a comma before the arg if any, do nothing otherwise
@@ -93,7 +93,7 @@ dnl  _LOWER(string)
 dnl    lower a string
 define(`_LOWER',`m4_translit(`$*',`ABCDEFGHIJKLMNOPQRSTUVWXYZ',`abcdefghijklmnopqrstuvwxyz')')
 
-dnl 
+dnl
 dnl  _QUOTE(macro)
 dnl    If a macro generates an output with commas we need to protect it
 dnl    from being broken down and interpreted
@@ -206,7 +206,7 @@ dnl _NEW_SECTION(SECTION_H_SIGNALPROXIES) dnl signal member objects
 _NEW_SECTION(SECTION_CC_SIGNALPROXIES) dnl signal member objects
 
 dnl Property Proxies:
-dnl _NEW_SECTION(SECTION_H_PROPERTYPROXIES) 
+dnl _NEW_SECTION(SECTION_H_PROPERTYPROXIES)
 _NEW_SECTION(SECTION_CC_PROPERTYPROXIES)
 
 dnl Just a hack for some GError wrappers:
@@ -408,8 +408,8 @@ _POP()
 
 define(`_PINCLUDE', defn(`_PH_INCLUDE'))
 
-# Put these, for instance, around gtkmmproc macros (_WRAP_SIGNAL) 
-# to make the #ifndef appear around the generated code in both the .h 
+# Put these, for instance, around gtkmmproc macros (_WRAP_SIGNAL)
+# to make the #ifndef appear around the generated code in both the .h
 # and .cc files.
 # e.g.  _GTKMMPROC_H_AND_CC(#ifndef _SUN_CC_)
 # e.g.  _GTKMMPROC_H_AND_CC(#endif //_SUN_CC_)
diff --git a/tools/m4/class_boxedtype.m4 b/tools/m4/class_boxedtype.m4
index ed8a4815..ae0a92e7 100644
--- a/tools/m4/class_boxedtype.m4
+++ b/tools/m4/class_boxedtype.m4
@@ -72,7 +72,7 @@ ifdef(`__BOOL_NO_WRAP_FUNCTION__',`dnl
 ',`dnl else
 
 /** A Glib::wrap() method for this object.
- * 
+ *
  * @param object The C instance.
  * @param take_copy False if the result should take ownership of the C instance. True if it should take a new copy or ref.
  * @result A C++ instance that wraps this C instance.
diff --git a/tools/m4/class_gobject.m4 b/tools/m4/class_gobject.m4
index 015eb287..0e0e4f6e 100644
--- a/tools/m4/class_gobject.m4
+++ b/tools/m4/class_gobject.m4
@@ -87,7 +87,7 @@ _POP()
 ')
 
 dnl Some gobjects actually derive from GInitiallyUnowned, which does some odd reference-counting that is useful to C coders.
-dnl We don't want to expose that base class in our API, 
+dnl We don't want to expose that base class in our API,
 dnl but we do want to reverse what it does:
 define(`_DERIVES_INITIALLY_UNOWNED',`dnl
 _PUSH()
@@ -134,7 +134,7 @@ ifdef(`__BOOL_NO_WRAP_FUNCTION__',`dnl
 namespace Glib
 {
   /** A Glib::wrap() method for this object.
-   * 
+   *
    * @param object The C instance.
    * @param take_copy False if the result should take ownership of the C instance. True if it should take a new copy or ref.
    * @result A C++ instance that wraps this C instance.
diff --git a/tools/m4/class_interface.m4 b/tools/m4/class_interface.m4
index 0116045e..3c0b93ef 100644
--- a/tools/m4/class_interface.m4
+++ b/tools/m4/class_interface.m4
@@ -96,7 +96,7 @@ void __CPPNAME__`'_Class::iface_init_function(void* g_iface, void*)
 
   //This is just to avoid an "unused variable" warning when there are no vfuncs or signal handlers to connect.
   //This is a temporary fix until I find out why I can not seem to derive a GtkFileChooser interface. murrayc
-  g_assert(klass != nullptr); 
+  g_assert(klass != nullptr);
 
 _IMPORT(SECTION_PCC_CLASS_INIT_VFUNCS)
 
@@ -128,7 +128,7 @@ ifdef(`__BOOL_NO_WRAP_FUNCTION__',`dnl
 namespace Glib
 {
   /** A Glib::wrap() method for this object.
-   * 
+   *
    * @param object The C instance.
    * @param take_copy False if the result should take ownership of the C instance. True if it should take a new copy or ref.
    * @result A C++ instance that wraps this C instance.
@@ -260,10 +260,10 @@ protected:
   __CPPNAME__`'();
 
 #ifndef DOXYGEN_SHOULD_SKIP_THIS
-  /** Called by constructors of derived classes. Provide the result of 
-   * the Class init() function to ensure that it is properly 
+  /** Called by constructors of derived classes. Provide the result of
+   * the Class init() function to ensure that it is properly
    * initialized.
-   * 
+   *
    * @param interface_class The Class object for the derived type.
    */
   explicit __CPPNAME__`'(const Glib::Interface_Class& interface_class);
@@ -271,7 +271,7 @@ protected:
 public:
   // This is public so that C++ wrapper instances can be
   // created for C instances of unwrapped types.
-  // For instance, if an unexpected C type implements the C interface. 
+  // For instance, if an unexpected C type implements the C interface.
   explicit __CPPNAME__`'(__CNAME__* castitem);
 
 protected:
diff --git a/tools/m4/class_opaque_copyable.m4 b/tools/m4/class_opaque_copyable.m4
index 0e17919b..26148e9b 100644
--- a/tools/m4/class_opaque_copyable.m4
+++ b/tools/m4/class_opaque_copyable.m4
@@ -58,7 +58,7 @@ namespace Glib
 {
 
   /** A Glib::wrap() method for this object.
-   * 
+   *
    * @param object The C instance.
    * @param take_copy False if the result should take ownership of the C instance. True if it should take a new copy or ref.
    * @result A C++ instance that wraps this C instance.
diff --git a/tools/m4/class_opaque_refcounted.m4 b/tools/m4/class_opaque_refcounted.m4
index e8d645b0..e90a1c0d 100644
--- a/tools/m4/class_opaque_refcounted.m4
+++ b/tools/m4/class_opaque_refcounted.m4
@@ -31,7 +31,7 @@ namespace Glib
 {
 
   /** A Glib::wrap() method for this object.
-   * 
+   *
    * @param object The C instance.
    * @param take_copy False if the result should take ownership of the C instance. True if it should take a new copy or ref.
    * @result A C++ instance that wraps this C instance.
diff --git a/tools/pm/DocsParser.pm b/tools/pm/DocsParser.pm
index 33d4a758..a22520de 100644
--- a/tools/pm/DocsParser.pm
+++ b/tools/pm/DocsParser.pm
@@ -238,7 +238,7 @@ sub lookup_enum_documentation($$$$$$$)
 {
   my ($c_enum_name, $cpp_enum_name, $indent, $ref_subst_in, $ref_subst_out,
     $deprecation_docs, $newin) = @_;
-  
+
   my $objFunction = $DocsParser::hasharrayFunctions{$c_enum_name};
   if(!$objFunction)
   {
@@ -302,7 +302,7 @@ sub lookup_enum_documentation($$$$$$$)
 
   # Escape the space after "i.e." or "e.g." in the brief description.
   $docs =~ s/^([^.]*\b(?:i\.e\.|e\.g\.))\s/$1\\ /;
-  
+
   remove_example_code($c_enum_name, \$docs);
 
   # Add indentation and an asterisk on all lines except the first.
diff --git a/tools/pm/GtkDefs.pm b/tools/pm/GtkDefs.pm
index f4d23bee..03c11317 100644
--- a/tools/pm/GtkDefs.pm
+++ b/tools/pm/GtkDefs.pm
@@ -4,13 +4,13 @@
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or 
+# the Free Software Foundation; either version 2 of the License, or
 # (at your option) any later version.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
-# GNU General Public License for more details. 
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
 # along with this program; if not, write to the Free Software
@@ -384,7 +384,7 @@ sub get_child_properties
 sub get_marked
 {
   no warnings;
-  return grep {$$_{mark}==1} values %GtkDefs::methods; 
+  return grep {$$_{mark}==1} values %GtkDefs::methods;
 }
 
 # This searches for items wrapped by this file and then tries to locate
@@ -465,7 +465,7 @@ sub lookup_object($)
 
   if (not defined($result))
   {
-    # We do not print this error because it's not always an error, 
+    # We do not print this error because it's not always an error,
     # because the caller will often try several object names,
     # while guessing an object name prefix from a function name.
     #
diff --git a/tools/pm/Output.pm b/tools/pm/Output.pm
index 1485d007..6af27752 100644
--- a/tools/pm/Output.pm
+++ b/tools/pm/Output.pm
@@ -740,7 +740,7 @@ sub output_wrap_enum_docs_only($$$$$$$$$$$)
 {
   my ($self, $filename, $line_num, $module_canonical, $cpp_type, $c_type,
     $comment, $ref_subst_in, $ref_subst_out, $deprecation_docs, $newin) = @_;
- 
+
   # Get the existing enum description from the parsed docs.
   my $enum_docs = DocsParser::lookup_enum_documentation("$c_type", "$cpp_type",
     " ", $ref_subst_in, $ref_subst_out, $deprecation_docs, $newin);
@@ -1277,11 +1277,11 @@ sub convert_args_cpp_to_c($$$$$)
       my $initialization = "";
       if($cOutputParamType =~ /\*$/)
       {
-        $initialization = " = nullptr"; 
+        $initialization = " = nullptr";
       }
       else
       {
-        $initialization = " = $cOutputParamType()"; 
+        $initialization = " = $cOutputParamType()";
       }
 
       push(@declarations, "  $cOutputParamType $cOutputParamName$initialization;");
diff --git a/tools/pm/Util.pm b/tools/pm/Util.pm
index f8bc9331..bf033c67 100644
--- a/tools/pm/Util.pm
+++ b/tools/pm/Util.pm
@@ -4,13 +4,13 @@
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or 
+# the Free Software Foundation; either version 2 of the License, or
 # (at your option) any later version.
 #
 # This program is distributed in the hope that it will be useful,
 # # but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
-# GNU General Public License for more details. 
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
 # along with this program; if not, write to the Free Software
@@ -18,7 +18,7 @@
 #
 #
 # This file holds basic functions used throughout gtkmmproc modules.
-# Functions in this module are exported so there is no need to 
+# Functions in this module are exported so there is no need to
 # request them by module name.
 #
 package Util;
diff --git a/tools/pm/WrapParser.pm b/tools/pm/WrapParser.pm
index 8b056950..9a03e731 100644
--- a/tools/pm/WrapParser.pm
+++ b/tools/pm/WrapParser.pm
@@ -4,13 +4,13 @@
 #
 # This program is free software; you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
-# the Free Software Foundation; either version 2 of the License, or 
+# the Free Software Foundation; either version 2 of the License, or
 # (at your option) any later version.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
-# GNU General Public License for more details. 
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
 #
 # You should have received a copy of the GNU General Public License
 # along with this program; if not, write to the Free Software
@@ -421,7 +421,7 @@ sub on_namespace($)
   my $token;
   my $arg;
 
-  # we need to peek ahead to figure out what type of namespace 
+  # we need to peek ahead to figure out what type of namespace
   # declaration this is.
   while ( $number <= $#tokens )
   {
@@ -522,7 +522,7 @@ sub on_class($$)
   $$self{in_class} = $$self{level};
 
   #Remember the type of wrapper required, so that we can append the correct _END_CLASS_* macro later.
-  { 
+  {
     my $str = $class_command;
     $str =~ s/^_CLASS_//;
     $$self{type} = $str;
@@ -735,7 +735,7 @@ sub string_split_commas($;$)
 
       # In the case of a '>' decrease the level if it is not in a {...}
       # because if it is found in a {...} it is most likely indicating that
-      # a parameter in a method declaration is an output param. 
+      # a parameter in a method declaration is an output param.
       $level-- if ($t eq ")" or ($t eq ">" && !$in_braces));
 
       # Don't split at comma, if inside a function, e.g. void f1(int x, int y)
@@ -1177,7 +1177,7 @@ sub on_implements_interface($$)
   my $interface = $args[0];
 
   # Extra stuff needed?
-  my $ifdef; 
+  my $ifdef;
   while($#args >= 1) # If the optional ref/err/deprecated arguments are there.
   {
   	my $argRef = string_trim(pop @args);
@@ -1187,8 +1187,8 @@ sub on_implements_interface($$)
     }
   }
   my $objOutputter = $$self{objOutputter};
-  $objOutputter->output_implements_interface($interface, $ifdef);	
-} 
+  $objOutputter->output_implements_interface($interface, $ifdef);
+}
 
 sub on_wrap_create($)
 {
@@ -1539,7 +1539,7 @@ sub on_wrap_any_property($)
   $argPropertyName = string_unquote($argPropertyName);
 
   #Convert the property name to a canonical form, as it is inside gobject.
-  #Otherwise, gobject might not recognise the name, 
+  #Otherwise, gobject might not recognise the name,
   #and we will not recognise the property name when we get notification that the value changes.
   $argPropertyName =~ tr/_/-/;
 
@@ -1656,10 +1656,10 @@ sub output_wrap_signal($$$$$$$$$$$$$$$$$)
     $objCSignal = GtkDefs::lookup_signal($$self{c_class}, $signal_name);
 
     # Check for failed lookup.
-    if($objCSignal eq 0) 
+    if($objCSignal eq 0)
     {
       print STDERR "$signal_name\n";
-        $objOutputter->output_wrap_failed($signal_name, 
+        $objOutputter->output_wrap_failed($signal_name,
           " signal defs lookup failed");
       return;
     }
@@ -1744,18 +1744,18 @@ sub output_wrap_vfunc($$$$$$$$$$$$$$$$$)
 }
 
 # give some sort of weights to sorting attibutes
-sub byattrib() 
+sub byattrib()
 {
   my %attrib_value = (
      "virtual_impl" ,1,
      "virtual_decl" ,2,
      # "sig_impl"     ,3,
-     "sig_decl"     ,4, 
+     "sig_decl"     ,4,
      "meth"         ,5
   );
 
   # $a and $b are hidden parameters to a sorting function
-  return $attrib_value{$b} <=> $attrib_value{$a}; 
+  return $attrib_value{$b} <=> $attrib_value{$a};
 }