Fix various typos

Found via `codespell` (v1.17.0.dev0)

app/core/gimpbrush-load.c

@@ -647,7 +647,7 @@ gimp_brush_load_abr_brush_v12 (GDataInputStream  *input,
     case 1: /* computed brush */
       /* FIXME: support it!
        *
-       * We can probabaly feed the info into the generated brush code
+       * We can probably feed the info into the generated brush code
        * and get a usable brush back. It seems to support the same
        * types -akl
        */

app/core/gimpdrawable-floating-selection.c

@@ -166,7 +166,7 @@ gimp_drawable_get_floating_sel_filter (GimpDrawable *drawable)
   g_return_val_if_fail (GIMP_IS_DRAWABLE (drawable), NULL);
   g_return_val_if_fail (gimp_drawable_get_floating_sel (drawable) != NULL, NULL);
 
-  /* Ensure that the graph is construced before the filter is used.
+  /* Ensure that the graph is constructed before the filter is used.
    * Otherwise, we rely on the projection to cause the graph to be
    * constructed, which fails for images that aren't displayed.
    */

app/core/gimpdrawable-gradient.c

@@ -198,7 +198,7 @@ gimp_drawable_gradient_shapeburst_distmap (GimpDrawable        *drawable,
 
           component_format = babl_format ("A float");
 
-          /*  extract the aplha into the temp mask  */
+          /*  extract the alpha into the temp mask  */
           gegl_buffer_set_format (temp_buffer, component_format);
           gimp_gegl_buffer_copy (gimp_drawable_get_buffer (drawable), region,
                                  GEGL_ABYSS_NONE,

app/core/gimpextension.c

@@ -440,7 +440,7 @@ gimp_extension_load (GimpExtension  *extension,
       if (error && *error == NULL)
         *error = g_error_new (GIMP_EXTENSION_ERROR,
                               GIMP_EXTENSION_NO_VERSION,
-                              _("Extension AppData must advertize a version in a <release> tag."));
+                              _("Extension AppData must advertise a version in a <release> tag."));
       success = FALSE;
     }
 

app/core/gimpimage-convert-indexed.c

@@ -119,13 +119,13 @@
   /* CODE READABILITY BUGS:
    *
    * . Most uses of variants of the R,G,B variable naming convention
-   *   are referring to L*a*b* co-ordinates, not RGB co-ordinates!
+   *   are referring to L*a*b* coordinates, not RGB coordinates!
    *
    * . Each said variable is usually one of the following, but it is
    *   rarely clear which one:
-   *     - (assumed sRGB) raw non-linear 8-bit RGB co-ordinates
+   *     - (assumed sRGB) raw non-linear 8-bit RGB coordinates
-   *     - 'full'-precision (unshifted) 8-bit L*a*b* co-ordinates
+   *     - 'full'-precision (unshifted) 8-bit L*a*b* coordinates
-   *     - box-space (reduced-precision shifted L*a*b*) co-ordinates
+   *     - box-space (reduced-precision shifted L*a*b*) coordinates
    */
 
 #include "config.h"
@@ -214,9 +214,9 @@ typedef double etype;
 /*
   We provide two different histogram access interfaces.  HIST_LIN()
   accesses the histogram in histogram-native space, taking absolute
-  histogram co-ordinates.  HIST_RGB() accesses the histogram in RGB
+  histogram coordinates.  HIST_RGB() accesses the histogram in RGB
-  space.  This latter takes unsigned 8-bit co-ordinates, internally
+  space.  This latter takes unsigned 8-bit coordinates, internally
-  converts those co-ordinates to histogram-native space and returns
+  converts those coordinates to histogram-native space and returns
   the access pointer to the corresponding histogram cell.
 
   Using these two interfaces we can import RGB data into a more
@@ -3555,7 +3555,7 @@ median_cut_pass2_nodestruct_dither_rgb (QuantizeObj *quantobj,
                             goto got_color;
                           }
                         }
-                      g_error ("Non-existant color was expected to "
+                      g_error ("Non-existent color was expected to "
                                "be in non-destructive colormap.");
                     got_color:
                       dest[INDEXED] = lastindex;

app/display/gimptoolrectangle.c

@@ -172,7 +172,7 @@ struct _GimpToolRectanglePrivate
   gdouble                 x1, y1;
   gdouble                 x2, y2;
 
-  /* Integer coordinats of upper left corner and size. We must
+  /* Integer coordinates of upper left corner and size. We must
    * calculate this separately from the gdouble ones because sometimes
    * we don't want to affect the integer size (e.g. when moving the
    * rectangle), but that will be the case if we always calculate the

app/gui/session.c

@@ -216,7 +216,7 @@ session_init (Gimp *gimp)
                 {
                   g_object_unref (info);
 
-                  /* set token to left paren to we won't set another
+                  /* set token to left paren so we won't set another
                    * error below, gimp_config_deserialize() already did
                    */
                   token = G_TOKEN_LEFT_PAREN;

app/meson.build

@@ -65,7 +65,7 @@ libapp = static_library('app',
 )
 
 
-# Those subdirs need to link againts the first ones
+# Those subdirs need to link against the first ones
 subdir('config')
 # subdir('tests')
 

app/widgets/gimptoolbox-dnd.c

@@ -95,7 +95,7 @@ gimp_toolbox_dnd_init (GimpToolbox *toolbox,
 
   context = gimp_toolbox_get_context (toolbox);
 
-  /* Before caling any dnd helper functions, setup the drag
+  /* Before calling any dnd helper functions, setup the drag
    * destination manually since we want to handle all drag events
    * manually, otherwise we would not be able to give the drag handler
    * a chance to handle drag events

devel-docs/libgimp/libgimp3-docs.sgml

@@ -46,7 +46,7 @@
     </chapter>
 
     <chapter id="libgimp-image">
-      <title>Manupulating Images and their Properties</title>
+      <title>Manipulating Images and their Properties</title>
       <xi:include href="xml/gimpchannel.xml" />
       <xi:include href="xml/gimpdisplay.xml" />
       <xi:include href="xml/gimpdrawable.xml" />

docs/Wilber.xcf.gz.README

@@ -4,7 +4,7 @@ Wilber.xcf.gz.README
 This is Wilber, the Gimp Mascot.
 
 Gimp is a image manipulation program for unix computers, see 
-https://www.gimp.org for more detais.
+https://www.gimp.org for more details.
 
 The use of Wilber.xcf.gz is free, though it would be kind of you to mention 
 the original author (Tuomas Kuosmanen <tigert@gimp.org>) somewhere.

libgimp/gimpfileprocedure.c

@@ -211,7 +211,7 @@ gimp_file_procedure_get_prefixes (GimpFileProcedure *procedure)
  * gimp_file_procedure_set_magics:
  * @procedure: A #GimpFileProcedure.
  * @magics:    A comma separated list of magic file information this procedure
- *             can hande (i.e. "0,string,GIF").
+ *             can handle (i.e. "0,string,GIF").
  *
  * Since: 3.0
  **/

libgimp/gimpitem.c

@@ -330,7 +330,7 @@ gimp_item_is_vectors (GimpItem *item)
  *
  * Returns: (element-type GimpItem) (transfer container):
  *          The item's list of children.
- *          The returned ist must be freed with g_list_free(). Item
+ *          The returned list must be freed with g_list_free(). Item
  *          elements belong to libgimp and must not be unrefed.
  *
  * Since: 3.0

libgimp/gimpplugin.c

@@ -88,7 +88,7 @@
  * #GimpProcedure using #GimpProcedureClass.register().
  *
  * The plug-in is called in "run" mode whenever one of the procedures
- * it implements is called by either the main GIMP appliction or any
+ * it implements is called by either the main GIMP application or any
  * other plug-in. In "run" mode, one of the procedure names returned
  * by #GimpPlugInClass.query_procedures() or
  * #GimpPlugInClass.init_procedures() is passed to
@@ -98,7 +98,7 @@
  *
  * In any of the three modes, #GimpPlugInClass.quit() is called before
  * the plug-in process exits, so the plug-in can perform whatever
- * cleanup neccessary.
+ * cleanup necessary.
  *
  * Since: 3.0
  **/

libgimp/gimpplugin.h

@@ -82,7 +82,7 @@ struct _GimpPlugIn
  * @quit: This method can be overridden by a plug-in which needs to
  *   perform some actions upon quitting.
  *
- * A class which every plug-in should sublass, while overriding
+ * A class which every plug-in should subclass, while overriding
  * #GimpPlugInClass.query_procedures() and/or
  * #GimpPlugInClass.init_procedures(), as well as
  * #GimpPlugInClass.create_procedure().

libgimp/gimpprocedureconfig.c

@@ -32,7 +32,7 @@
  * #GimpProcedureConfig base class for #GimpProcedure-specific config
  * objects and the main interface to manage aspects of
  * #GimpProcedure's arguments such as persistency of the last used
- * argments across GIMP sessions.
+ * arguments across GIMP sessions.
  *
  * A #GimpProcedureConfig is created by a #GimpProcedure using
  * gimp_procedure_create_config() and its properties match the

libgimpbase/gimpbasetypes.c

@@ -149,7 +149,7 @@ gimp_enum_set_value_descriptions (GType               enum_type,
  * gimp_enum_get_value_descriptions:
  * @enum_type: a #GType
  *
- * Retreives the array of human readable and translatable descriptions
+ * Retrieves the array of human readable and translatable descriptions
  * and help texts for enum values.
  *
  * Returns: a %NULL terminated constant array of #GimpEnumDesc
@@ -191,7 +191,7 @@ gimp_flags_set_value_descriptions (GType                flags_type,
  * gimp_flags_get_value_descriptions:
  * @flags_type: a #GType
  *
- * Retreives the array of human readable and translatable descriptions
+ * Retrieves the array of human readable and translatable descriptions
  * and help texts for flags values.
  *
  * Returns: a %NULL terminated constant array of #GimpFlagsDesc

meson.build

@@ -70,7 +70,7 @@ versionconfig.set('GIMP_VERSION',       gimp_version)
 versionconfig.set('GIMP_API_VERSION',   gimp_api_version)
 
 
-# Libtool versionning
+# Libtool versioning
 gimp_interface_age = 0
 lt_current = 0
 lt_revision = gimp_app_version_micro
@@ -1125,7 +1125,7 @@ conf.set('HAVE_GETTEXT', true)
 
 
 ################################################################################
-# Miscelaneous configuration
+# Miscellaneous configuration
 
 #     #
 ##   ## #  ####   ####
@@ -1420,7 +1420,7 @@ add_project_arguments(compiler_args, language: [ 'c', 'cpp' ])
 add_project_link_arguments(linker_args, language: [ 'c', 'cpp' ])
 
 ################################################################################
-# Miscelaneous targets
+# Miscellaneous targets
 
 
  #     #                    #######
@@ -1681,7 +1681,7 @@ final_message = [
 message('\n'.join(final_message))
 
 if warnings.length() > 0
-  warning('Warnings occured during configuration')
+  warning('Warnings occurred during configuration')
   foreach warning : warnings
     warning(warning)
   endforeach

plug-ins/common/blinds.c

@@ -21,7 +21,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
- * A fair proprotion of this code was taken from the Whirl plug-in
+ * A fair proportion of this code was taken from the Whirl plug-in
  * which was copyrighted by Federico Mena Quintero (as below).
  *
  * Whirl plug-in --- distort an image into a whirlpool
@@ -540,7 +540,7 @@ dialog_update_preview (GimpDrawable *drawable,
     {
       /* Horizontal blinds */
       /* Apply the blinds algo to a single column -
-       * this act as a transfomation matrix for the
+       * this act as a transformation matrix for the
        * rows. Make row 0 invalid so we can find it again!
        */
       gint i;
@@ -683,7 +683,7 @@ apply_blinds (GimpDrawable *drawable)
     {
       /* Horizontal blinds */
       /* Apply the blinds algo to a single column -
-       * this act as a transfomation matrix for the
+       * this act as a transformation matrix for the
        * rows. Make row 0 invalid so we can find it again!
        */
       gint    i;

plug-ins/common/file-compressor.c

@@ -21,7 +21,7 @@
 
 /* compressor plug-in for GIMP           */
 /* based on gz.c which in turn is        */
-/* loosley based on url.c by             */
+/* loosely based on url.c by             */
 /* Josh MacDonald, jmacd@cs.berkeley.edu */
 
 /* and, very loosely on hrz.c by */

plug-ins/common/file-pdf-save.c

@@ -44,7 +44,7 @@
  * 1. Grayscale layers are inverted (although layer masks which are not grayscale,
  * are not inverted)
  * 2. Exporting some fonts doesn't work since gimp_text_layer_get_font Returns a
- * font which is sometimes incompatiable with pango_font_description_from_string
+ * font which is sometimes incompatible with pango_font_description_from_string
  * (gimp_text_layer_get_font sometimes returns suffixes such as "semi-expanded" to
  * the font's name although the GIMP's font selection dialog shows the don'ts name
  * normally - This should be checked again in GIMP 2.7)
@@ -88,7 +88,7 @@
  *   Fixed a typo that prevented the plugin from compiling...
  *   A migration to the new GIMP 2.8 api, which includes:
  *   - Now using gimp_export_dialog_new
- *   - Using gimp_text_layer_get_hint_style (2.8) instead of the depreceated
+ *   - Using gimp_text_layer_get_hint_style (2.8) instead of the deprecated
  *     gimp_text_layer_get_hinting (2.6).
  *
  * August 24, 2010 | Barak Itkin <lightningismyname@gmail.com>

plug-ins/common/film.c

@@ -292,7 +292,7 @@ film_create_procedure (GimpPlugIn  *plug_in,
 
       GIMP_PROC_VAL_IMAGE (procedure, "new-image",
                            "New image",
-                           "Outout image",
+                           "Output image",
                            FALSE,
                            G_PARAM_READWRITE);
     }

plug-ins/common/mail.c

@@ -797,7 +797,7 @@ sendmail_create_headers (FILE *mailpipe)
   /* create all the mail header stuff. Feel free to add your own */
   /* It is advisable to leave the X-Mailer header though, as     */
   /* there is a possibility of a Gimp mail scanner/reader in the  */
-  /* future. It will probabaly need that header.                 */
+  /* future. It will probably need that header.                 */
 
   fprintf (mailpipe, "To: %s \n", mail_info.receipt);
   fprintf (mailpipe, "Subject: %s \n", mail_info.subject);

plug-ins/common/nl-filter.c

@@ -821,12 +821,12 @@ hex_area (gdouble sx, gdouble sy, gdouble hx, gdouble hy, gdouble d)
    gdouble hx0,hx1,hx2,hy0,hy1,hy2,hy3;
    gdouble sx0,sx1,sy0,sy1;
 
-       /* compute square co-ordinates */
+       /* compute square coordinates */
    sx0 = sx - 0.5;
    sy0 = sy - 0.5;
    sx1 = sx + 0.5;
    sy1 = sy + 0.5;
-       /* compute hexagon co-ordinates */
+       /* compute hexagon coordinates */
    hx0 = hx - d/2.0;
    hx1 = hx;
    hx2 = hx + d/2.0;

plug-ins/common/sample-colorize.c

@@ -309,7 +309,7 @@ colorize_create_procedure (GimpPlugIn  *plug_in,
         " in the sample colortable. If hold_inten is FALSE the picked color"
         " is used 1:1 as resulting remap_color."
         " If hold_inten is TRUE The brightness of the picked color is adjusted"
-        " back to the origial intensity value (only hue and saturation are"
+        " back to the original intensity value (only hue and saturation are"
         " taken from the picked sample color)"
         " (or to the input level, if orig_inten is set FALSE)"
         " Works on both Grayscale and RGB image with/without alpha channel."
@@ -1042,7 +1042,7 @@ levels_update (gint update)
   gint i;
 
   if (g_Sdebug)
-    g_printf ("levels_update: update reques %x\n", update);
+    g_printf ("levels_update: update request %x\n", update);
 
   /*  Recalculate the transfer array  */
   calculate_level_transfers ();

plug-ins/common/tile-small.c

@@ -20,7 +20,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
- * A fair proprotion of this code was taken from the Whirl plug-in
+ * A fair proportion of this code was taken from the Whirl plug-in
  * which was copyrighted by Federico Mena Quintero (as below).
  *
  * Whirl plug-in --- distort an image into a whirlpool

plug-ins/file-dds/README.dxt

@@ -14,7 +14,7 @@ Pixels".
 lerp_rgb: The expression computed is exactly equivalent to mul8bit(a[i],255-f)
 + mul8bit(b[i],f) - I just verified that by brute force for -255 <= b[i]-a[i]
 <= 255 because I couldn't be bothered to find a derivation for this :) . You
-customarily use a factor between 0 and 256 incluse for LERPing if you can, but
+customarily use a factor between 0 and 256 include for LERPing if you can, but
 normal DXT blocks have colors placed at 1/3 and 2/3 between the two
 interpolated colors. 255 is divisible by 3, so lerp_rgb can later be used in
 eval_colors to determine the result of

plug-ins/file-fli/fli-gimp.c

@@ -181,7 +181,7 @@ fli_create_procedure (GimpPlugIn  *plug_in,
 
       gimp_procedure_set_documentation (procedure,
                                         "Load FLI-movies",
-                                        "This is an experimantal plug-in to "
+                                        "This is an experimental plug-in to "
                                         "handle FLI movies",
                                         name);
       gimp_procedure_set_attribution (procedure,
@@ -218,7 +218,7 @@ fli_create_procedure (GimpPlugIn  *plug_in,
 
       gimp_procedure_set_documentation (procedure,
                                         "Export FLI-movies",
-                                        "This is an experimantal plug-in to "
+                                        "This is an experimental plug-in to "
                                         "handle FLI movies",
                                         name);
       gimp_procedure_set_attribution (procedure,
@@ -251,7 +251,7 @@ fli_create_procedure (GimpPlugIn  *plug_in,
 
       gimp_procedure_set_documentation (procedure,
                                         "Get information about a Fli movie",
-                                        "This is an experimantal plug-in to "
+                                        "This is an experimental plug-in to "
                                         "handle FLI movies",
                                         name);
       gimp_procedure_set_attribution (procedure,

plug-ins/goat-exercises/goat-exercise-c.c

@@ -139,7 +139,7 @@ goat_run (GimpProcedure        *procedure,
 
   INIT_I18N();
 
-  /* In interactive mode, display a dialog to advertize the exercise. */
+  /* In interactive mode, display a dialog to advertise the exercise. */
   if (run_mode == GIMP_RUN_INTERACTIVE)
     {
       GtkTextBuffer    *buffer;

plug-ins/pygimp/doc/pygimp.sgml

@@ -2134,7 +2134,7 @@ main()
 	  <ListItem>
 	    <Para>The registered procedure name (first parameter of the
 	    <Literal>register()</Literal> function) is mangled: all underscores
-	    are converted to hyphens, to better match the usual Scheme syntatic
+	    are converted to hyphens, to better match the usual Scheme syntactic
 	    style (here, <Literal>console_echo</Literal> becomes
 	    <Literal>console-echo</Literal>). Moreover, a
 	    <Literal>python-fu-</Literal> prefix is automatically added; it is

plug-ins/script-fu/scripts/palette-export.scm

@@ -95,7 +95,7 @@
 
 ; Convert a color to a simple pair of braces with comma separated values
 ; '(255 255 255) => "(255, 255, 255)"
-(define (color-rgb-to-comma-seperated-list color)
+(define (color-rgb-to-comma-separated-list color)
   (string-append "(" (number->string (color-get-red color))
                  ", " (number->string (color-get-green color))
                  ", " (number->string (color-get-blue color)) ")")
@@ -377,7 +377,7 @@
 				 "    public "
 				 (name-standard palette-name) "() {"))
                      (export-palette (car (gimp-context-get-palette))
-                                     color-rgb-to-comma-seperated-list
+                                     color-rgb-to-comma-separated-list
                                      name-no-conversion
                                      "        colors = new Hashtable<String,Color>();\n" ; start
                                      "        colors.put(\""                             ; name-pre

tools/gimp-test-clipboard.c

@@ -96,7 +96,7 @@ static const GOptionEntry main_entries[] =
   {
     "paste", 'p', 0,
     G_OPTION_ARG_STRING, &option_paste_filename,
-    "Paste clipoard into <file> ('-' pastes to STDOUT)", "<file>"
+    "Paste clipboard into <file> ('-' pastes to STDOUT)", "<file>"
   },
   {
     "version", 'v', G_OPTION_FLAG_NO_ARG,