diff -c -r gtksourceview-2.11.2.orig/gtksourceview/gtksourceiter.c gtksourceview-2.11.2.patched/gtksourceview/gtksourceiter.c
*** gtksourceview-2.11.2.orig/gtksourceview/gtksourceiter.c	2010-05-30 12:24:14.000000000 +0200
--- gtksourceview-2.11.2.patched/gtksourceview/gtksourceiter.c	2015-10-27 14:58:54.422888400 +0100
***************
*** 80,86 ****
  	/* If string contains prefix, check that prefix is not followed
  	 * by a unicode mark symbol, e.g. that trailing 'a' in prefix
  	 * is not part of two-char a-with-hat symbol in string. */
! 	return type != G_UNICODE_COMBINING_MARK &&
  		type != G_UNICODE_ENCLOSING_MARK &&
  		type != G_UNICODE_NON_SPACING_MARK;
  }
--- 80,86 ----
  	/* If string contains prefix, check that prefix is not followed
  	 * by a unicode mark symbol, e.g. that trailing 'a' in prefix
  	 * is not part of two-char a-with-hat symbol in string. */
! 	return type != G_UNICODE_SPACING_MARK &&
  		type != G_UNICODE_ENCLOSING_MARK &&
  		type != G_UNICODE_NON_SPACING_MARK;
  }
diff -c -r gtksourceview-2.11.2.orig/gtksourceview/gtksourcelanguagemanager.c gtksourceview-2.11.2.patched/gtksourceview/gtksourcelanguagemanager.c
*** gtksourceview-2.11.2.orig/gtksourceview/gtksourcelanguagemanager.c	2010-05-30 12:24:14.000000000 +0200
--- gtksourceview-2.11.2.patched/gtksourceview/gtksourcelanguagemanager.c	2015-10-27 14:55:30.294477600 +0100
***************
*** 274,280 ****
   * containg a list of language files directories.
   * The array is owned by @lm and must not be modified.
   */
! G_CONST_RETURN gchar* G_CONST_RETURN *
  gtk_source_language_manager_get_search_path (GtkSourceLanguageManager *lm)
  {
  	g_return_val_if_fail (GTK_IS_SOURCE_LANGUAGE_MANAGER (lm), NULL);
--- 274,280 ----
   * containg a list of language files directories.
   * The array is owned by @lm and must not be modified.
   */
! const gchar* const *
  gtk_source_language_manager_get_search_path (GtkSourceLanguageManager *lm)
  {
  	g_return_val_if_fail (GTK_IS_SOURCE_LANGUAGE_MANAGER (lm), NULL);
***************
*** 392,398 ****
   * available languages or %NULL if no language is available. The array
   * is owned by @lm and must not be modified.
   */
! G_CONST_RETURN gchar* G_CONST_RETURN *
  gtk_source_language_manager_get_language_ids (GtkSourceLanguageManager *lm)
  {
  	g_return_val_if_fail (GTK_IS_SOURCE_LANGUAGE_MANAGER (lm), NULL);
--- 392,398 ----
   * available languages or %NULL if no language is available. The array
   * is owned by @lm and must not be modified.
   */
! const gchar* const *
  gtk_source_language_manager_get_language_ids (GtkSourceLanguageManager *lm)
  {
  	g_return_val_if_fail (GTK_IS_SOURCE_LANGUAGE_MANAGER (lm), NULL);
diff -c -r gtksourceview-2.11.2.orig/gtksourceview/gtksourcelanguagemanager.h gtksourceview-2.11.2.patched/gtksourceview/gtksourcelanguagemanager.h
*** gtksourceview-2.11.2.orig/gtksourceview/gtksourcelanguagemanager.h	2009-11-15 00:41:33.000000000 +0100
--- gtksourceview-2.11.2.patched/gtksourceview/gtksourcelanguagemanager.h	2015-10-27 14:55:30.518500000 +0100
***************
*** 62,74 ****
  
  GtkSourceLanguageManager *gtk_source_language_manager_get_default		(void);
  
! G_CONST_RETURN gchar* G_CONST_RETURN *
  			  gtk_source_language_manager_get_search_path		(GtkSourceLanguageManager *lm);
  
  void			  gtk_source_language_manager_set_search_path		(GtkSourceLanguageManager *lm,
  										 gchar                   **dirs);
  
! G_CONST_RETURN gchar* G_CONST_RETURN *
  			  gtk_source_language_manager_get_language_ids		(GtkSourceLanguageManager *lm);
  
  GtkSourceLanguage	 *gtk_source_language_manager_get_language		(GtkSourceLanguageManager *lm,
--- 62,74 ----
  
  GtkSourceLanguageManager *gtk_source_language_manager_get_default		(void);
  
! const gchar* const *
  			  gtk_source_language_manager_get_search_path		(GtkSourceLanguageManager *lm);
  
  void			  gtk_source_language_manager_set_search_path		(GtkSourceLanguageManager *lm,
  										 gchar                   **dirs);
  
! const gchar* const *
  			  gtk_source_language_manager_get_language_ids		(GtkSourceLanguageManager *lm);
  
  GtkSourceLanguage	 *gtk_source_language_manager_get_language		(GtkSourceLanguageManager *lm,
diff -c -r gtksourceview-2.11.2.orig/gtksourceview/gtksourcestylescheme.c gtksourceview-2.11.2.patched/gtksourceview/gtksourcestylescheme.c
*** gtksourceview-2.11.2.orig/gtksourceview/gtksourcestylescheme.c	2010-05-30 12:24:14.000000000 +0200
--- gtksourceview-2.11.2.patched/gtksourceview/gtksourcestylescheme.c	2015-10-27 14:55:30.545502700 +0100
***************
*** 310,316 ****
   *
   * Since: 2.0
   */
! G_CONST_RETURN gchar* G_CONST_RETURN *
  gtk_source_style_scheme_get_authors (GtkSourceStyleScheme *scheme)
  {
  	g_return_val_if_fail (GTK_IS_SOURCE_STYLE_SCHEME (scheme), NULL);
--- 310,316 ----
   *
   * Since: 2.0
   */
! const gchar* const *
  gtk_source_style_scheme_get_authors (GtkSourceStyleScheme *scheme)
  {
  	g_return_val_if_fail (GTK_IS_SOURCE_STYLE_SCHEME (scheme), NULL);
***************
*** 318,324 ****
  	if (scheme->priv->authors == NULL)
  		return NULL;
  
! 	return (G_CONST_RETURN gchar* G_CONST_RETURN *)scheme->priv->authors->pdata;
  }
  
  /**
--- 318,324 ----
  	if (scheme->priv->authors == NULL)
  		return NULL;
  
! 	return (const gchar* const *)scheme->priv->authors->pdata;
  }
  
  /**
diff -c -r gtksourceview-2.11.2.orig/gtksourceview/gtksourcestylescheme.h gtksourceview-2.11.2.patched/gtksourceview/gtksourcestylescheme.h
*** gtksourceview-2.11.2.orig/gtksourceview/gtksourcestylescheme.h	2010-03-29 15:02:56.000000000 +0200
--- gtksourceview-2.11.2.patched/gtksourceview/gtksourcestylescheme.h	2015-10-27 14:55:30.565504700 +0100
***************
*** 61,67 ****
  const gchar             *gtk_source_style_scheme_get_name       (GtkSourceStyleScheme *scheme);
  const gchar             *gtk_source_style_scheme_get_description(GtkSourceStyleScheme *scheme);
  
! G_CONST_RETURN gchar* G_CONST_RETURN *
  			 gtk_source_style_scheme_get_authors	(GtkSourceStyleScheme *scheme);
  
  const gchar             *gtk_source_style_scheme_get_filename	(GtkSourceStyleScheme *scheme);
--- 61,67 ----
  const gchar             *gtk_source_style_scheme_get_name       (GtkSourceStyleScheme *scheme);
  const gchar             *gtk_source_style_scheme_get_description(GtkSourceStyleScheme *scheme);
  
! const gchar* const *
  			 gtk_source_style_scheme_get_authors	(GtkSourceStyleScheme *scheme);
  
  const gchar             *gtk_source_style_scheme_get_filename	(GtkSourceStyleScheme *scheme);
diff -c -r gtksourceview-2.11.2.orig/gtksourceview/gtksourcestyleschememanager.c gtksourceview-2.11.2.patched/gtksourceview/gtksourcestyleschememanager.c
*** gtksourceview-2.11.2.orig/gtksourceview/gtksourcestyleschememanager.c	2010-05-30 12:24:14.000000000 +0200
--- gtksourceview-2.11.2.patched/gtksourceview/gtksourcestyleschememanager.c	2015-10-27 14:55:30.583506500 +0100
***************
*** 515,521 ****
   * of string containing the search path.
   * The array is owned by the @manager and must not be modified.
   */
! G_CONST_RETURN gchar* G_CONST_RETURN *
  gtk_source_style_scheme_manager_get_search_path (GtkSourceStyleSchemeManager *manager)
  {
  	g_return_val_if_fail (GTK_IS_SOURCE_STYLE_SCHEME_MANAGER (manager), NULL);
--- 515,521 ----
   * of string containing the search path.
   * The array is owned by the @manager and must not be modified.
   */
! const gchar* const *
  gtk_source_style_scheme_manager_get_search_path (GtkSourceStyleSchemeManager *manager)
  {
  	g_return_val_if_fail (GTK_IS_SOURCE_STYLE_SCHEME_MANAGER (manager), NULL);
***************
*** 554,560 ****
   * of string containing the ids of the available style schemes or %NULL if no
   * style scheme is available. The array is owned by the @manager and must not be modified.
   */
! G_CONST_RETURN gchar* G_CONST_RETURN *
  gtk_source_style_scheme_manager_get_scheme_ids (GtkSourceStyleSchemeManager *manager)
  {
  	g_return_val_if_fail (GTK_IS_SOURCE_STYLE_SCHEME_MANAGER (manager), NULL);
--- 554,560 ----
   * of string containing the ids of the available style schemes or %NULL if no
   * style scheme is available. The array is owned by the @manager and must not be modified.
   */
! const gchar* const *
  gtk_source_style_scheme_manager_get_scheme_ids (GtkSourceStyleSchemeManager *manager)
  {
  	g_return_val_if_fail (GTK_IS_SOURCE_STYLE_SCHEME_MANAGER (manager), NULL);
diff -c -r gtksourceview-2.11.2.orig/gtksourceview/gtksourcestyleschememanager.h gtksourceview-2.11.2.patched/gtksourceview/gtksourcestyleschememanager.h
*** gtksourceview-2.11.2.orig/gtksourceview/gtksourcestyleschememanager.h	2009-11-15 00:41:33.000000000 +0100
--- gtksourceview-2.11.2.patched/gtksourceview/gtksourcestyleschememanager.h	2015-10-27 14:56:24.498897500 +0100
***************
*** 73,84 ****
  void 			 gtk_source_style_scheme_manager_prepend_search_path   (GtkSourceStyleSchemeManager	*manager,
  						    				 const gchar			*path);
  
! G_CONST_RETURN gchar* G_CONST_RETURN *
  			 gtk_source_style_scheme_manager_get_search_path	(GtkSourceStyleSchemeManager	*manager);
  
  void			 gtk_source_style_scheme_manager_force_rescan		(GtkSourceStyleSchemeManager	*manager);
  
! G_CONST_RETURN gchar* G_CONST_RETURN *
  			 gtk_source_style_scheme_manager_get_scheme_ids		(GtkSourceStyleSchemeManager	*manager);
  
  GtkSourceStyleScheme	*gtk_source_style_scheme_manager_get_scheme		(GtkSourceStyleSchemeManager	*manager,
--- 73,84 ----
  void 			 gtk_source_style_scheme_manager_prepend_search_path   (GtkSourceStyleSchemeManager	*manager,
  						    				 const gchar			*path);
  
! const gchar* const *
  			 gtk_source_style_scheme_manager_get_search_path	(GtkSourceStyleSchemeManager	*manager);
  
  void			 gtk_source_style_scheme_manager_force_rescan		(GtkSourceStyleSchemeManager	*manager);
  
! const gchar* const *
  			 gtk_source_style_scheme_manager_get_scheme_ids		(GtkSourceStyleSchemeManager	*manager);
  
  GtkSourceStyleScheme	*gtk_source_style_scheme_manager_get_scheme		(GtkSourceStyleSchemeManager	*manager,