[gegl] operations: clean up translatable op descriptions



commit 08287da809f1ff41501c331ad18e8c615c395b98
Author: Michael Natterer <mitch gimp org>
Date:   Mon May 20 16:03:27 2013 +0200

    operations: clean up translatable op descriptions
    
    because they will soon be used in GIMP's UI. Also did some general
    formatting cleanup, particulatly format chanted properties
    consistently.

 operations/common/c2g.c                     |   41 ++++++++-----
 operations/common/cartoon.c                 |   21 ++++---
 operations/common/checkerboard.c            |   43 ++++++++-----
 operations/common/color-reduction.c         |   35 ++++++++----
 operations/common/color-temperature.c       |   22 ++++---
 operations/common/color-to-alpha.c          |   17 +++--
 operations/common/cubism.c                  |    3 +-
 operations/common/difference-of-gaussians.c |   21 ++++---
 operations/common/dot.c                     |   23 ++++---
 operations/common/edge-laplace.c            |   13 ++--
 operations/common/edge-sobel.c              |   25 ++++----
 operations/common/emboss.c                  |    4 +-
 operations/common/exposure.c                |   40 ++++++++-----
 operations/common/gaussian-blur.c           |   35 ++++++-----
 operations/common/lens-distortion.c         |   42 ++++++++-----
 operations/common/mono-mixer.c              |   25 +++++---
 operations/common/noise-cielch.c            |   34 +++++++----
 operations/common/noise-hsv.c               |   24 +++++---
 operations/common/noise-hurl.c              |   20 ++++---
 operations/common/noise-pick.c              |   18 +++---
 operations/common/noise-rgb.c               |   45 ++++++++++----
 operations/common/noise-slur.c              |   20 ++++---
 operations/common/photocopy.c               |   22 ++++---
 operations/common/pixelize.c                |   29 +++++----
 operations/common/polar-coordinates.c       |   60 ++++++++++++------
 operations/common/red-eye-removal.c         |    8 +-
 operations/common/ripple.c                  |   57 ++++++++++--------
 operations/common/softglow.c                |   22 ++++---
 operations/common/unsharp-mask.c            |   28 +++++----
 operations/common/vignette.c                |   86 +++++++++++++++++++--------
 operations/common/whirl-pinch.c             |    8 +-
 31 files changed, 548 insertions(+), 343 deletions(-)
---
diff --git a/operations/common/c2g.c b/operations/common/c2g.c
index e295db0..14df6f3 100644
--- a/operations/common/c2g.c
+++ b/operations/common/c2g.c
@@ -24,12 +24,21 @@
 
 #ifdef GEGL_CHANT_PROPERTIES
 
-gegl_chant_int_ui (radius, _("Radius"), 2, 3000, 300, 2, 3000, 1.6,
-                _("Neighborhood taken into account, this is the radius in pixels taken into account when 
deciding which colors map to which gray values"))
-gegl_chant_int_ui (samples, _("Samples"), 1, 1000, 4, 1, 20, 1.0,
-                _("Number of samples to do per iteration looking for the range of colors"))
-gegl_chant_int_ui (iterations, _("Iterations"), 1, 1000, 10, 1, 20, 1.0,
-                _("Number of iterations, a higher number of iterations provides less noisy results at a 
computational cost"))
+gegl_chant_int_ui (radius, _("Radius"),
+                   2, 3000, 300, 2, 3000, 1.6,
+                   _("Neighborhood taken into account, this is the radius "
+                     "in pixels taken into account when deciding which "
+                     "colors map to which gray values"))
+
+gegl_chant_int_ui (samples, _("Samples"),
+                   1, 1000, 4, 1, 20, 1.0,
+                   _("Number of samples to do per iteration looking for "
+                     "the range of colors"))
+
+gegl_chant_int_ui (iterations, _("Iterations"),
+                   1, 1000, 10, 1, 20, 1.0,
+                   _("Number of iterations, a higher number of iterations "
+                     "provides less noisy results at a computational cost"))
 
 /*
 gegl_chant_double (rgamma, _("Radial Gamma"), 0.0, 8.0, 2.0,
@@ -38,7 +47,7 @@ gegl_chant_double (rgamma, _("Radial Gamma"), 0.0, 8.0, 2.0,
 #else
 
 #define GEGL_CHANT_TYPE_AREA_FILTER
-#define GEGL_CHANT_C_FILE       "c2g.c"
+#define GEGL_CHANT_C_FILE "c2g.c"
 
 #include "gegl-chant.h"
 #include <math.h>
@@ -312,8 +321,8 @@ gegl_chant_class_init (GeglChantClass *klass)
   operation_class = GEGL_OPERATION_CLASS (klass);
   filter_class    = GEGL_OPERATION_FILTER_CLASS (klass);
 
-  filter_class->process = process;
-  operation_class->prepare  = prepare;
+  filter_class->process    = process;
+  operation_class->prepare = prepare;
 
   /* we override defined region to avoid growing the size of what is defined
    * by the filter. This also allows the tricks used to treat alpha==0 pixels
@@ -325,13 +334,13 @@ gegl_chant_class_init (GeglChantClass *klass)
   operation_class->opencl_support = TRUE;
 
   gegl_operation_class_set_keys (operation_class,
-      "name",        "gegl:c2g",
-      "categories",  "enhance",
-      "description",
-     _("Color to grayscale conversion, uses envelopes formed from spatial "
-       "color differences to perform color-feature preserving grayscale "
-       "spatial contrast enhancement"),
-     NULL);
+    "name",        "gegl:c2g",
+    "categories",  "enhance",
+    "description",
+    _("Color to grayscale conversion, uses envelopes formed from spatial "
+      "color differences to perform color-feature preserving grayscale "
+      "spatial contrast enhancement"),
+    NULL);
 }
 
 #endif
diff --git a/operations/common/cartoon.c b/operations/common/cartoon.c
index 393bd7a..2424171 100644
--- a/operations/common/cartoon.c
+++ b/operations/common/cartoon.c
@@ -22,14 +22,18 @@
 
 #ifdef GEGL_CHANT_PROPERTIES
 
-gegl_chant_double (mask_radius, _("Mask radius"),   0.0, 50.0, 7.0, _("Mask radius"))
+gegl_chant_double (mask_radius, _("Mask radius"),
+                   0.0, 50.0, 7.0,
+                   _("Mask radius"))
 
-gegl_chant_double (pct_black, _("Percent black"),   0.0, 1.0, 0.2, _("Percent black"))
+gegl_chant_double (pct_black, _("Percent black"),
+                   0.0, 1.0, 0.2,
+                   _("Percent black"))
 
 #else
 
 #define GEGL_CHANT_TYPE_AREA_FILTER
-#define GEGL_CHANT_C_FILE       "cartoon.c"
+#define GEGL_CHANT_C_FILE "cartoon.c"
 
 #include "gegl-chant.h"
 #include <stdio.h>
@@ -361,20 +365,19 @@ gegl_chant_class_init (GeglChantClass *klass)
   GeglOperationClass       *operation_class;
   GeglOperationFilterClass *filter_class;
 
-
   object_class    = G_OBJECT_CLASS (klass);
   operation_class = GEGL_OPERATION_CLASS (klass);
   filter_class    = GEGL_OPERATION_FILTER_CLASS (klass);
 
-  object_class->finalize = finalize;
+  object_class->finalize   = finalize;
   operation_class->prepare = prepare;
   filter_class->process    = process;
 
   gegl_operation_class_set_keys (operation_class,
-                "categories" , "artistic",
-                "name"       , "gegl:cartoon",
-                "description", _("Cartoon effect"),
-                NULL);
+    "categories",  "artistic",
+    "name",        "gegl:cartoon",
+    "description", _("Simulate a cartoon by enhancing edges"),
+    NULL);
 }
 
 #endif
diff --git a/operations/common/checkerboard.c b/operations/common/checkerboard.c
index de3089f..3e0ae56 100644
--- a/operations/common/checkerboard.c
+++ b/operations/common/checkerboard.c
@@ -22,23 +22,34 @@
 
 #ifdef GEGL_CHANT_PROPERTIES
 
-gegl_chant_int_ui   (x,        _("Width"),  1, G_MAXINT, 16, 1, 256, 1.5,
-                  _("Horizontal width of cells pixels"))
-gegl_chant_int_ui   (y,        _("Height"), 1, G_MAXINT, 16, 1, 256, 1.5,
-                  _("Vertical width of cells in pixels"))
-gegl_chant_int_ui   (x_offset, _("X offset"), -G_MAXINT, G_MAXINT, 0, -10, 10, 1.0,
-                  _("Horizontal offset (from origin) for start of grid"))
-gegl_chant_int_ui   (y_offset, _("Y offset"), -G_MAXINT, G_MAXINT,  0, -10, 10, 1.0,
-                  _("Vertical offset (from origin) for start of grid"))
-gegl_chant_color (color1,   _("Color"), "black",
-                  _("One of the cell colors (defaults to 'black')"))
-gegl_chant_color (color2,   _("Other color"), "white",
-                  _("The other cell color (defaults to 'white')"))
+gegl_chant_int_ui   (x, _("Width"),
+                     1, G_MAXINT, 16, 1, 256, 1.5,
+                     _("Horizontal width of cells pixels"))
+
+gegl_chant_int_ui   (y, _("Height"),
+                     1, G_MAXINT, 16, 1, 256, 1.5,
+                     _("Vertical width of cells in pixels"))
+
+gegl_chant_int_ui   (x_offset, _("X offset"),
+                     -G_MAXINT, G_MAXINT, 0, -10, 10, 1.0,
+                     _("Horizontal offset (from origin) for start of grid"))
+
+gegl_chant_int_ui   (y_offset, _("Y offset"),
+                     -G_MAXINT, G_MAXINT,  0, -10, 10, 1.0,
+                     _("Vertical offset (from origin) for start of grid"))
+
+gegl_chant_color    (color1, _("Color"),
+                     "black",
+                     _("One of the cell colors (defaults to 'black')"))
+
+gegl_chant_color    (color2, _("Other color"),
+                     "white",
+                     _("The other cell color (defaults to 'white')"))
 
 #else
 
 #define GEGL_CHANT_TYPE_POINT_RENDER
-#define GEGL_CHANT_C_FILE       "checkerboard.c"
+#define GEGL_CHANT_C_FILE "checkerboard.c"
 
 #include "gegl-chant.h"
 
@@ -141,9 +152,9 @@ gegl_chant_class_init (GeglChantClass *klass)
   operation_class->prepare = prepare;
 
   gegl_operation_class_set_keys (operation_class,
-    "name",  "gegl:checkerboard",
-    "categories", "render",
-    "description", _("Checkerboard renderer"),
+    "name",        "gegl:checkerboard",
+    "categories",  "render",
+    "description", _("Create a checkerboard pattern"),
     NULL);
 }
 
diff --git a/operations/common/color-reduction.c b/operations/common/color-reduction.c
index 6ff09b7..7d3aefb 100644
--- a/operations/common/color-reduction.c
+++ b/operations/common/color-reduction.c
@@ -32,13 +32,25 @@ gegl_chant_register_enum (gegl_dither_strategy)
   enum_value (GEGL_DITHER_FLOYD_STEINBERG, "Floyd-Steinberg")
 gegl_chant_register_enum_end (GeglDitherStrategy)
 
-gegl_chant_int (red_bits,   _("Red bits"),   1, 16, 8, _("Number of bits for red channel"))
-gegl_chant_int (green_bits, _("Green bits"), 1, 16, 8, _("Number of bits for green channel"))
-gegl_chant_int (blue_bits,  _("Blue bits"),  1, 16, 8, _("Number of bits for blue channel"))
-gegl_chant_int (alpha_bits, _("Alpha bits"), 1, 16, 8, _("Number of bits for alpha channel"))
+gegl_chant_int  (red_bits, _("Red bits"),
+                 1, 16, 8,
+                 _("Number of bits for red channel"))
 
-gegl_chant_enum (dither_strategy, _("Dithering Strategy"), GeglDitherStrategy,
-                 gegl_dither_strategy, GEGL_DITHER_RESILIENT, _("The dithering strategy to use"))
+gegl_chant_int  (green_bits, _("Green bits"),
+                 1, 16, 8,
+                 _("Number of bits for green channel"))
+
+gegl_chant_int  (blue_bits, _("Blue bits"),
+                 1, 16, 8,
+                 _("Number of bits for blue channel"))
+
+gegl_chant_int  (alpha_bits, _("Alpha bits"),
+                 1, 16, 8,
+                 _("Number of bits for alpha channel"))
+
+gegl_chant_enum (dither_strategy, _("Dithering Strategy"),
+                 GeglDitherStrategy, gegl_dither_strategy, GEGL_DITHER_RESILIENT,
+                 _("The dithering strategy to use"))
 
 #else
 
@@ -574,12 +586,13 @@ gegl_chant_class_init (GeglChantClass *klass)
   filter_class->process = process;
 
   gegl_operation_class_set_keys (operation_class,
-    "name"        , "gegl:color-reduction",
-    "categories"  , "misc",
-    "description" ,
-            _("Reduces the number of bits per channel (colors and alpha), with optional dithering"),
+    "name",        "gegl:color-reduction",
+    "categories",  "misc",
+    "description", _("Reduce the number of colors in the image, by reducing "
+                     "the bits per channel (colors and alpha), with optional "
+                     "dithering"),
     "reference-composition", composition,
-            NULL);
+    NULL);
 }
 
 #endif
diff --git a/operations/common/color-temperature.c b/operations/common/color-temperature.c
index b52bb08..068dff9 100644
--- a/operations/common/color-temperature.c
+++ b/operations/common/color-temperature.c
@@ -24,13 +24,20 @@
 
 #ifdef GEGL_CHANT_PROPERTIES
 
-gegl_chant_double (original_temperature, _("Original temperature"), LOWEST_TEMPERATURE, HIGHEST_TEMPERATURE, 
6500, _("Estimated temperature of the light source in Kelvin the image was taken with."))
-gegl_chant_double (intended_temperature, _("Intended temperature"), LOWEST_TEMPERATURE, HIGHEST_TEMPERATURE, 
6500, _("Corrected estimation of the temperature of the light source in Kelvin."))
+gegl_chant_double (original_temperature, _("Original temperature"),
+                   LOWEST_TEMPERATURE, HIGHEST_TEMPERATURE, 6500,
+                   _("Estimated temperature of the light source in Kelvin "
+                     "the image was taken with."))
+
+gegl_chant_double (intended_temperature, _("Intended temperature"),
+                   LOWEST_TEMPERATURE, HIGHEST_TEMPERATURE, 6500,
+                   _("Corrected estimation of the temperature of the light "
+                     "source in Kelvin."))
 
 #else
 
 #define GEGL_CHANT_TYPE_POINT_FILTER
-#define GEGL_CHANT_C_FILE       "color-temperature.c"
+#define GEGL_CHANT_C_FILE "color-temperature.c"
 
 #include "gegl-chant.h"
 
@@ -261,16 +268,15 @@ gegl_chant_class_init (GeglChantClass *klass)
 
   operation_class->prepare = prepare;
 
-  point_filter_class->process = process;
+  point_filter_class->process    = process;
   point_filter_class->cl_process = cl_process;
 
   operation_class->opencl_support = TRUE;
 
   gegl_operation_class_set_keys (operation_class,
-    "name"       , "gegl:color-temperature",
-    "categories" , "color",
-    "description",
-          _("Allows changing the color temperature of an image."),
+    "name",        "gegl:color-temperature",
+    "categories",  "color",
+    "description", _("Change the color temperature of the image"),
     "reference-composition", composition,
     NULL);
 }
diff --git a/operations/common/color-to-alpha.c b/operations/common/color-to-alpha.c
index 01406c8..aae21c4 100644
--- a/operations/common/color-to-alpha.c
+++ b/operations/common/color-to-alpha.c
@@ -25,19 +25,21 @@
 
 #ifdef GEGL_CHANT_PROPERTIES
 
-gegl_chant_color (color, _("Color"), "white",
+gegl_chant_color (color, _("Color"),
+                  "white",
                   _("The color to render (defaults to 'white')"))
 
 #else
 
 #define GEGL_CHANT_TYPE_POINT_FILTER
-#define GEGL_CHANT_C_FILE       "color-to-alpha.c"
+#define GEGL_CHANT_C_FILE "color-to-alpha.c"
 
 #include "gegl-chant.h"
 #include <stdio.h>
 #include <math.h>
 
-static void prepare (GeglOperation *operation)
+static void
+prepare (GeglOperation *operation)
 {
   gegl_operation_set_format (operation, "input",
                              babl_format ("R'G'B'A double"));
@@ -163,7 +165,8 @@ gegl_chant_class_init (GeglChantClass *klass)
 {
   GeglOperationClass            *operation_class;
   GeglOperationPointFilterClass *filter_class;
-  gchar                         *composition = "<?xml version='1.0' encoding='UTF-8'?>"
+  gchar                         *composition =
+    "<?xml version='1.0' encoding='UTF-8'?>"
     "<gegl>"
     "<node operation='svg:dst-over'>"
     "  <node operation='gegl:crop'>"
@@ -192,9 +195,9 @@ gegl_chant_class_init (GeglChantClass *klass)
   operation_class->prepare = prepare;
 
   gegl_operation_class_set_keys (operation_class,
-    "name"       , "gegl:color-to-alpha",
-    "categories" , "color",
-    "description", _("Performs color-to-alpha on the image."),
+    "name",        "gegl:color-to-alpha",
+    "categories",  "color",
+    "description", _("Convert a specified color to transparency"),
     "reference-composition", composition,
     NULL);
 }
diff --git a/operations/common/cubism.c b/operations/common/cubism.c
index 2b63b29..6814907 100644
--- a/operations/common/cubism.c
+++ b/operations/common/cubism.c
@@ -42,8 +42,7 @@ gegl_chant_color  (bg_color, _("Background Color"),
 gegl_chant_seed   (seed, _("Seed"),
                    _("Random seed"))
 
-
-# else
+#else
 
 #define GEGL_CHANT_TYPE_AREA_FILTER
 #define GEGL_CHANT_C_FILE "cubism.c"
diff --git a/operations/common/difference-of-gaussians.c b/operations/common/difference-of-gaussians.c
index a7e11ab..8642c2e 100644
--- a/operations/common/difference-of-gaussians.c
+++ b/operations/common/difference-of-gaussians.c
@@ -19,18 +19,20 @@
 #include "config.h"
 #include <glib/gi18n-lib.h>
 
-
 #ifdef GEGL_CHANT_PROPERTIES
 
-gegl_chant_double_ui (radius1, _("Radius 1"), 0.0, 1000.0, 1.0, 0.0, 10.0, 1.5,
+gegl_chant_double_ui (radius1, _("Radius 1"),
+                      0.0, 1000.0, 1.0, 0.0, 10.0, 1.5,
                      _("Radius"))
-gegl_chant_double_ui (radius2, _("Radius 2"), 0.0, 1000.0, 2.0, 0.0, 10.0, 1.5,
+
+gegl_chant_double_ui (radius2, _("Radius 2"),
+                      0.0, 1000.0, 2.0, 0.0, 10.0, 1.5,
                      _("Radius"))
 
 #else
 
 #define GEGL_CHANT_TYPE_META
-#define GEGL_CHANT_C_FILE       "difference-of-gaussians.c"
+#define GEGL_CHANT_C_FILE "difference-of-gaussians.c"
 
 #include "gegl-chant.h"
 
@@ -92,14 +94,15 @@ gegl_chant_class_init (GeglChantClass *klass)
   GeglOperationClass *operation_class;
 
   operation_class = GEGL_OPERATION_CLASS (klass);
+
   operation_class->attach = attach;
 
   gegl_operation_class_set_keys (operation_class,
-    "name"       , "gegl:difference-of-gaussians",
-    "categories" , "meta:edge",
-    "description",
-        _("Does an edge detection based on the difference of two gaussian blurs."),
-        NULL);
+    "name",        "gegl:difference-of-gaussians",
+    "categories",  "meta:edge",
+    "description", _("Edge detection with control of edge thickness, based "
+                     "on the difference of two gaussian blurs"),
+    NULL);
 }
 
 #endif
diff --git a/operations/common/dot.c b/operations/common/dot.c
index 0d9df4d..3531273 100644
--- a/operations/common/dot.c
+++ b/operations/common/dot.c
@@ -23,15 +23,18 @@
 
 #ifdef GEGL_CHANT_PROPERTIES
 
-gegl_chant_int_ui (size, _("Block Width"),  1, 123456, 16, 1, 1024, 1.5,
-   _("Size of each block in pixels"))
-gegl_chant_double(ratio, _("Dot size ratio"), 0.0, 1.0, 1.0,
-                  _("Size ratio of a dot inside each block"))
+gegl_chant_int_ui (size, _("Block Width"),
+                   1, 123456, 16, 1, 1024, 1.5,
+                   _("Size of each block in pixels"))
+
+gegl_chant_double (ratio, _("Dot size ratio"),
+                   0.0, 1.0, 1.0,
+                   _("Size ratio of a dot inside each block"))
 
 #else
 
 #define GEGL_CHANT_TYPE_AREA_FILTER
-#define GEGL_CHANT_C_FILE       "dot.c"
+#define GEGL_CHANT_C_FILE "dot.c"
 
 #include "gegl-chant.h"
 
@@ -39,7 +42,8 @@ gegl_chant_double(ratio, _("Dot size ratio"), 0.0, 1.0, 1.0,
 #define CELL_Y(py, cell_height)  ((py) / (cell_height))
 
 
-static void prepare (GeglOperation *operation)
+static void
+prepare (GeglOperation *operation)
 {
   GeglChantO              *o;
   GeglOperationAreaFilter *op_area;
@@ -185,10 +189,9 @@ gegl_chant_class_init (GeglChantClass *klass)
   operation_class->prepare = prepare;
 
   gegl_operation_class_set_keys (operation_class,
-    "categories" , "render",
-    "name"       , "gegl:dot",
-    "description",
-         _("Simplify image into an array of solid-colored dots"),
+    "name",        "gegl:dot",
+    "categories",  "render",
+    "description", _("Simplify image into an array of solid-colored dots"),
     NULL);
 }
 
diff --git a/operations/common/edge-laplace.c b/operations/common/edge-laplace.c
index b12e5e4..a8232fa 100644
--- a/operations/common/edge-laplace.c
+++ b/operations/common/edge-laplace.c
@@ -28,7 +28,7 @@
 #else
 
 #define GEGL_CHANT_TYPE_AREA_FILTER
-#define GEGL_CHANT_C_FILE       "edge-laplace.c"
+#define GEGL_CHANT_C_FILE "edge-laplace.c"
 
 #include "gegl-chant.h"
 #include <math.h>
@@ -43,12 +43,14 @@ edge_laplace (GeglBuffer          *src,
 
 #include <stdio.h>
 
-static void prepare (GeglOperation *operation)
+static void
+prepare (GeglOperation *operation)
 {
   GeglOperationAreaFilter *area = GEGL_OPERATION_AREA_FILTER (operation);
   //GeglChantO              *o = GEGL_CHANT_PROPERTIES (operation);
 
   area->left = area->right = area->top = area->bottom = LAPLACE_RADIUS;
+
   gegl_operation_set_format (operation, "input", babl_format ("RGBA float"));
   gegl_operation_set_format (operation, "output", babl_format ("RGBA float"));
 }
@@ -512,10 +514,9 @@ gegl_chant_class_init (GeglChantClass *klass)
   operation_class->opencl_support = TRUE;
 
   gegl_operation_class_set_keys (operation_class,
-    "name"        , "gegl:edge-laplace",
-    "categories"  , "edge-detect",
-    "description" ,
-          _("High-resolution edge detection"),
+    "name",        "gegl:edge-laplace",
+    "categories",  "edge-detect",
+    "description", _("High-resolution edge detection"),
     NULL);
 }
 
diff --git a/operations/common/edge-sobel.c b/operations/common/edge-sobel.c
index e978138..2ebc65f 100644
--- a/operations/common/edge-sobel.c
+++ b/operations/common/edge-sobel.c
@@ -22,22 +22,24 @@
 #include "config.h"
 #include <glib/gi18n-lib.h>
 
-
 #ifdef GEGL_CHANT_PROPERTIES
 
-gegl_chant_boolean (horizontal,  _("Horizontal"),  TRUE,
+gegl_chant_boolean (horizontal,  _("Horizontal"),
+                    TRUE,
                     _("Horizontal"))
 
-gegl_chant_boolean (vertical,  _("Vertical"),  TRUE,
+gegl_chant_boolean (vertical,  _("Vertical"),
+                    TRUE,
                     _("Vertical"))
 
-gegl_chant_boolean (keep_signal,  _("Keep Signal"),  TRUE,
+gegl_chant_boolean (keep_signal,  _("Keep Signal"),
+                    TRUE,
                     _("Keep Signal"))
 
 #else
 
 #define GEGL_CHANT_TYPE_AREA_FILTER
-#define GEGL_CHANT_C_FILE       "edge-sobel.c"
+#define GEGL_CHANT_C_FILE "edge-sobel.c"
 
 #include "gegl-chant.h"
 #include <math.h>
@@ -364,16 +366,15 @@ gegl_chant_class_init (GeglChantClass *klass)
   operation_class  = GEGL_OPERATION_CLASS (klass);
   filter_class     = GEGL_OPERATION_FILTER_CLASS (klass);
 
-  filter_class->process   = process;
-  operation_class->prepare = prepare;
-
+  operation_class->prepare        = prepare;
   operation_class->opencl_support = TRUE;
 
+  filter_class->process           = process;
+
   gegl_operation_class_set_keys (operation_class,
-    "name"       , "gegl:edge-sobel",
-    "categories" , "edge-detect",
-    "description",
-          _("Specialized direction-dependent edge detection"),
+    "name",        "gegl:edge-sobel",
+    "categories",  "edge-detect",
+    "description", _("Specialized direction-dependent edge detection"),
           NULL);
 }
 
diff --git a/operations/common/emboss.c b/operations/common/emboss.c
index bf8f200..3ae1813 100644
--- a/operations/common/emboss.c
+++ b/operations/common/emboss.c
@@ -252,8 +252,8 @@ gegl_chant_class_init (GeglChantClass *klass)
   operation_class->prepare = prepare;
 
   gegl_operation_class_set_keys (operation_class,
-    "categories" , "distort",
-    "name"       , "gegl:emboss",
+    "name",        "gegl:emboss",
+    "categories",  "distort",
     "description", _("Simulates an image created by embossing"),
     NULL);
 }
diff --git a/operations/common/exposure.c b/operations/common/exposure.c
index 1b2a16d..0c5d846 100644
--- a/operations/common/exposure.c
+++ b/operations/common/exposure.c
@@ -17,21 +17,27 @@
  *           2013 Øyvind Kolås <pippin gimp org>
  */
 
-
 #include "config.h"
 #include <glib/gi18n-lib.h>
 
 #ifdef GEGL_CHANT_PROPERTIES
-gegl_chant_double_ui (exposure, _("Exposure"), -G_MAXDOUBLE, G_MAXDOUBLE, 0.0, -10.0, 10.0, 1.0,
-                   _("Relative brightness change in stops"))
-gegl_chant_double_ui (offset, _("Offset"), -0.5, 0.5, 0.0, -0.5, 0.5, 1.0,
-                   _("Offset value added"))
-gegl_chant_double_ui (gamma, _("Gamma"), 0.01, 10, 1.0, 0.01, 3.0, 1.0,
-                   _("Gamma correction"))
+
+gegl_chant_double_ui (exposure, _("Exposure"),
+                      -G_MAXDOUBLE, G_MAXDOUBLE, 0.0, -10.0, 10.0, 1.0,
+                      _("Relative brightness change in stops"))
+
+gegl_chant_double_ui (offset, _("Offset"),
+                      -0.5, 0.5, 0.0, -0.5, 0.5, 1.0,
+                      _("Offset value added"))
+
+gegl_chant_double_ui (gamma, _("Gamma"),
+                      0.01, 10, 1.0, 0.01, 3.0, 1.0,
+                      _("Gamma correction"))
+
 #else
 
 #define GEGL_CHANT_TYPE_POINT_FILTER
-#define GEGL_CHANT_C_FILE         "exposure.c"
+#define GEGL_CHANT_C_FILE "exposure.c"
 
 #include "gegl-chant.h"
 
@@ -40,7 +46,8 @@ gegl_chant_double_ui (gamma, _("Gamma"), 0.01, 10, 1.0, 0.01, 3.0, 1.0,
 #define powf(a,b) ((gfloat)pow(a,b))
 #endif
 
-static void prepare (GeglOperation *operation)
+static void
+prepare (GeglOperation *operation)
 {
   gegl_operation_set_format (operation, "input", babl_format ("RGBA float"));
   gegl_operation_set_format (operation, "output", babl_format ("RGBA float"));
@@ -168,16 +175,17 @@ gegl_chant_class_init (GeglChantClass *klass)
   operation_class    = GEGL_OPERATION_CLASS (klass);
   point_filter_class = GEGL_OPERATION_POINT_FILTER_CLASS (klass);
 
-  point_filter_class->process = process;
-  point_filter_class->cl_process = cl_process;
-
   operation_class->opencl_support = TRUE;
-  operation_class->prepare = prepare;
+  operation_class->prepare        = prepare;
+
+  point_filter_class->process    = process;
+  point_filter_class->cl_process = cl_process;
 
   gegl_operation_class_set_keys (operation_class,
-    "name"       , "gegl:exposure",
-    "categories" , "color",
-    "description", _("Changes Exposure and Contrast, mainly for use with high dynamic range images."),
+    "name",        "gegl:exposure",
+    "categories",  "color",
+    "description", _("Changes Exposure and Contrast, mainly for use with "
+                     "high dynamic range images"),
     NULL);
 }
 
diff --git a/operations/common/gaussian-blur.c b/operations/common/gaussian-blur.c
index b5c0221..80d9001 100644
--- a/operations/common/gaussian-blur.c
+++ b/operations/common/gaussian-blur.c
@@ -27,18 +27,25 @@
 
 #ifdef GEGL_CHANT_PROPERTIES
 
-gegl_chant_double_ui (std_dev_x, _("Size X"), 0.0, 10000.0, 4.0, 0.0, 1000.0, 1.5,
-   _("Standard deviation for the horizontal axis. (multiply by ~2 to get radius)"))
-gegl_chant_double_ui (std_dev_y, _("Size Y"), 0.0, 10000.0, 4.0, 0.0, 1000.0, 1.5,
-   _("Standard deviation for the vertical axis. (multiply by ~2 to get radius.)"))
-gegl_chant_string (filter, _("Filter"), "auto",
-   _("Optional parameter to override the automatic selection of blur filter. "
-     "Choices are fir, iir, auto"))
+gegl_chant_double_ui (std_dev_x, _("Size X"),
+                      0.0, 10000.0, 4.0, 0.0, 1000.0, 1.5,
+                      _("Standard deviation for the horizontal axis. "
+                        "(multiply by ~2 to get radius)"))
+
+gegl_chant_double_ui (std_dev_y, _("Size Y"),
+                      0.0, 10000.0, 4.0, 0.0, 1000.0, 1.5,
+                      _("Standard deviation for the vertical axis. "
+                        "(multiply by ~2 to get radius.)"))
+
+gegl_chant_string    (filter, _("Filter"),
+                      "auto",
+                      _("Optional parameter to override the automatic "
+                        "selection of blur filter. Choices are fir, iir, auto"))
 
 #else
 
 #define GEGL_CHANT_TYPE_AREA_FILTER
-#define GEGL_CHANT_C_FILE       "gaussian-blur.c"
+#define GEGL_CHANT_C_FILE "gaussian-blur.c"
 
 #include "gegl-chant.h"
 #include <math.h>
@@ -46,7 +53,6 @@ gegl_chant_string (filter, _("Filter"), "auto",
 
 #define RADIUS_SCALE   4
 
-
 static void
 iir_young_find_constants (gfloat   radius,
                           gdouble *B,
@@ -679,12 +685,11 @@ gegl_chant_class_init (GeglChantClass *klass)
   operation_class->opencl_support = TRUE;
 
   gegl_operation_class_set_keys (operation_class,
-    "name",       "gegl:gaussian-blur",
-    "categories", "blur",
-    "description",
-        _("Performs an averaging of neighboring pixels with the "
-          "normal distribution as weighting"),
-        NULL);
+    "name",        "gegl:gaussian-blur",
+    "categories",  "blur",
+    "description", _("Performs an averaging of neighboring pixels with the "
+                     "normal distribution as weighting"),
+    NULL);
 }
 
 #endif
diff --git a/operations/common/lens-distortion.c b/operations/common/lens-distortion.c
index 56ebb4d..ee2ef47 100644
--- a/operations/common/lens-distortion.c
+++ b/operations/common/lens-distortion.c
@@ -27,26 +27,35 @@
 #include "config.h"
 #include <glib/gi18n-lib.h>
 
-
 #ifdef GEGL_CHANT_PROPERTIES
 
-gegl_chant_double (main, _("Main:"), -100.0, 100.0, 0.0,
+gegl_chant_double (main, _("Main"),
+                   -100.0, 100.0, 0.0,
                    _("Main value of distortion"))
-gegl_chant_double (zoom, _("Zoom:"), -100.0, 100.0, 0.0,
+
+gegl_chant_double (zoom, _("Zoom"),
+                   -100.0, 100.0, 0.0,
                    _("Main value of distortion"))
-gegl_chant_double (edge, _("Edge:"), -100.0, 100.0, 0.0,
+gegl_chant_double (edge, _("Edge"),
+                   -100.0, 100.0, 0.0,
                    _("Edge value of distortion"))
-gegl_chant_double (brighten, _("Brighten:"), -100.0, 100.0, 0.0,
+
+gegl_chant_double (brighten, _("Brighten"),
+                   -100.0, 100.0, 0.0,
                    _("Brighten the image"))
-gegl_chant_double (x_shift, _("X shift:"), -100.0, 100.0, 0.0,
+
+gegl_chant_double (x_shift, _("X shift"),
+                   -100.0, 100.0, 0.0,
                    _("Shift horizontal"))
-gegl_chant_double (y_shift, _("Y shift:"), -100.0, 100.0, 0.0,
+
+gegl_chant_double (y_shift, _("Y shift"),
+                   -100.0, 100.0, 0.0,
                    _("Shift vertical"))
 
 #else
 
 #define GEGL_CHANT_TYPE_FILTER
-#define GEGL_CHANT_C_FILE       "lens-distortion.c"
+#define GEGL_CHANT_C_FILE "lens-distortion.c"
 
 #include "gegl-chant.h"
 #include <math.h>
@@ -300,13 +309,13 @@ process (GeglOperation       *operation,
   return TRUE;
 }
 
-
 static void
 gegl_chant_class_init (GeglChantClass *klass)
 {
   GeglOperationClass       *operation_class;
   GeglOperationFilterClass *filter_class;
-  gchar                    *composition = "<?xml version='1.0' encoding='UTF-8'?>"
+  gchar                    *composition =
+    "<?xml version='1.0' encoding='UTF-8'?>"
     "<gegl>"
     "<node operation='gegl:lens-distortion'>"
     "  <params>"
@@ -327,15 +336,16 @@ gegl_chant_class_init (GeglChantClass *klass)
   operation_class = GEGL_OPERATION_CLASS (klass);
   filter_class    = GEGL_OPERATION_FILTER_CLASS (klass);
 
-  filter_class->process = process;
-  operation_class->prepare = prepare;
-  operation_class->get_bounding_box = get_bounding_box;
+  operation_class->prepare                 = prepare;
+  operation_class->get_bounding_box        = get_bounding_box;
   operation_class->get_required_for_output = get_required_for_output;
 
+  filter_class->process                    = process;
+
   gegl_operation_class_set_keys (operation_class,
-    "name"       , "gegl:lens-distortion",
-    "categories" , "blur",
-    "description", _("Copies image performing lens distortion correction."),
+    "name",        "gegl:lens-distortion",
+    "categories",  "blur",
+    "description", _("Corrects lens distortion"),
     "reference-composition", composition,
     NULL);
 }
diff --git a/operations/common/mono-mixer.c b/operations/common/mono-mixer.c
index c289e27..a1129a3 100644
--- a/operations/common/mono-mixer.c
+++ b/operations/common/mono-mixer.c
@@ -23,23 +23,28 @@
 
 #ifdef GEGL_CHANT_PROPERTIES
 
-gegl_chant_double_ui (red,   _("Red"),   -10.0, 10.0, 0.5, -1.0, 1.0, 1.0,
+gegl_chant_double_ui (red, _("Red"),
+                      -10.0, 10.0, 0.5, -1.0, 1.0, 1.0,
                       _("Amount of red"))
-gegl_chant_double_ui (green, _("Green"), -10.0, 10.0, 0.25, -1.0, 1.0, 1.0,
+
+gegl_chant_double_ui (green, _("Green"),
+                      -10.0, 10.0, 0.25, -1.0, 1.0, 1.0,
                       _("Amount of green"))
-gegl_chant_double_ui (blue,  _("Blue"),  -10.0, 10.0, 0.25, -1.0, 1.0, 1.0,
+
+gegl_chant_double_ui (blue, _("Blue"),
+                      -10.0, 10.0, 0.25, -1.0, 1.0, 1.0,
                       _("Amount of blue"))
 
 #else
 
 #define GEGL_CHANT_TYPE_POINT_FILTER
-#define GEGL_CHANT_C_FILE      "mono-mixer.c"
+#define GEGL_CHANT_C_FILE "mono-mixer.c"
 
 #include "gegl-chant.h"
 
-static void prepare (GeglOperation *operation)
+static void
+prepare (GeglOperation *operation)
 {
-  /* set the babl format this operation prefers to work on */
   gegl_operation_set_format (operation, "input",  babl_format ("RGBA float"));
   gegl_operation_set_format (operation, "output", babl_format ("YA float"));
 }
@@ -84,14 +89,14 @@ gegl_chant_class_init (GeglChantClass *klass)
   operation_class    = GEGL_OPERATION_CLASS (klass);
   point_filter_class = GEGL_OPERATION_POINT_FILTER_CLASS (klass);
 
-  operation_class->prepare = prepare;
+  operation_class->prepare    = prepare;
   point_filter_class->process = process;
 
   gegl_operation_class_set_keys (operation_class,
-    "name"       , "gegl:mono-mixer",
-    "categories" , "color",
+    "name",        "gegl:mono-mixer",
+    "categories",  "color",
     "description", _("Monochrome channel mixer"),
-    "cl-source"  , mono_mixer_cl_source,
+    "cl-source",   mono_mixer_cl_source,
     NULL);
 }
 
diff --git a/operations/common/noise-cielch.c b/operations/common/noise-cielch.c
index 7416211..63000d4 100644
--- a/operations/common/noise-cielch.c
+++ b/operations/common/noise-cielch.c
@@ -22,18 +22,26 @@
 
 #ifdef GEGL_CHANT_PROPERTIES
 
-gegl_chant_int (holdness, _("Holdness"),   1, 8, 2, _("Holdness"))
+gegl_chant_int    (holdness, _("Holdness"),
+                   1, 8, 2,
+                   _("Holdness"))
 
-gegl_chant_double (lightness_distance, _("Lightness"), 0.0, 100.0, 40.0, _("Lightness"))
+gegl_chant_double (lightness_distance, _("Lightness"),
+                   0.0, 100.0, 40.0,
+                   _("Lightness"))
 
-gegl_chant_double (chroma_distance,    _("Chroma"),    0.0, 100.0, 40.0, _("Chroma"))
+gegl_chant_double (chroma_distance, _("Chroma"),
+                   0.0, 100.0, 40.0,
+                   _("Chroma"))
 
-gegl_chant_double (hue_distance,       _("Hue"),       0.0, 180.0,  3.0, _("Hue"))
+gegl_chant_double (hue_distance, _("Hue"),
+                   0.0, 180.0,  3.0,
+                   _("Hue"))
 
 #else
 
 #define GEGL_CHANT_TYPE_POINT_FILTER
-#define GEGL_CHANT_C_FILE       "noise-cielch.c"
+#define GEGL_CHANT_C_FILE "noise-cielch.c"
 
 #include "gegl-chant.h"
 #include <stdio.h>
@@ -86,8 +94,10 @@ randomize_value (gdouble     now,
 static void
 prepare (GeglOperation *operation)
 {
-  gegl_operation_set_format (operation, "input" , babl_format ("CIE LCH(ab) alpha double"));
-  gegl_operation_set_format (operation, "output", babl_format ("CIE LCH(ab) alpha double"));
+  gegl_operation_set_format (operation, "input" ,
+                             babl_format ("CIE LCH(ab) alpha double"));
+  gegl_operation_set_format (operation, "output",
+                             babl_format ("CIE LCH(ab) alpha double"));
 }
 
 static gboolean
@@ -151,14 +161,14 @@ gegl_chant_class_init (GeglChantClass *klass)
   operation_class    = GEGL_OPERATION_CLASS (klass);
   point_filter_class = GEGL_OPERATION_POINT_FILTER_CLASS (klass);
 
-  operation_class->prepare = prepare;
+  operation_class->prepare    = prepare;
   point_filter_class->process = process;
 
   gegl_operation_class_set_keys (operation_class,
-      "name",       "gegl:noise-CIE_lch",
-      "categories", "noise",
-      "description", _("Randomize lightness, chroma and hue independently"),
-      NULL);
+    "name",        "gegl:noise-CIE_lch",
+    "categories",  "noise",
+    "description", _("Randomize lightness, chroma and hue independently"),
+    NULL);
 }
 
 #endif
diff --git a/operations/common/noise-hsv.c b/operations/common/noise-hsv.c
index 2b71d20..18ea477 100644
--- a/operations/common/noise-hsv.c
+++ b/operations/common/noise-hsv.c
@@ -24,18 +24,26 @@
 
 #ifdef GEGL_CHANT_PROPERTIES
 
-gegl_chant_int (holdness, _("Holdness"),   1, 8, 2, _("Holdness"))
+gegl_chant_int    (holdness, _("Holdness"),
+                   1, 8, 2,
+                   _("Holdness"))
 
-gegl_chant_double (hue_distance, _("Hue"),   0.0, 180.0, 3.0, _("Hue"))
+gegl_chant_double (hue_distance, _("Hue"),
+                   0.0, 180.0, 3.0,
+                   _("Hue"))
 
-gegl_chant_double (saturation_distance, _("Saturation"),   0.0, 1.0, 0.04, _("Saturation"))
+gegl_chant_double (saturation_distance, _("Saturation"),
+                   0.0, 1.0, 0.04,
+                   _("Saturation"))
 
-gegl_chant_double (value_distance, _("Value"),   0.0, 1.0, 0.04, _("Value"))
+gegl_chant_double (value_distance, _("Value"),
+                   0.0, 1.0, 0.04,
+                   _("Value"))
 
 #else
 
 #define GEGL_CHANT_TYPE_POINT_FILTER
-#define GEGL_CHANT_C_FILE       "noise-hsv.c"
+#define GEGL_CHANT_C_FILE "noise-hsv.c"
 
 #include "gegl-chant.h"
 #include <stdio.h>
@@ -159,9 +167,9 @@ gegl_chant_class_init (GeglChantClass *klass)
   point_filter_class->process = process;
 
   gegl_operation_class_set_keys (operation_class,
-      "name",       "gegl:noise-hsv",
-      "categories", "noise",
-      "description", _("Randomize hue, saturation and value independently"),
+    "name",       "gegl:noise-hsv",
+    "categories", "noise",
+    "description", _("Randomize hue, saturation and value independently"),
       NULL);
 }
 
diff --git a/operations/common/noise-hurl.c b/operations/common/noise-hurl.c
index ff9abc2..a14f64e 100644
--- a/operations/common/noise-hurl.c
+++ b/operations/common/noise-hurl.c
@@ -28,14 +28,16 @@
 
 #ifdef GEGL_CHANT_PROPERTIES
 
-gegl_chant_seed   (seed, _("Seed"), _("Random seed"))
+gegl_chant_seed   (seed, _("Seed"),
+                   _("Random seed"))
 
 gegl_chant_double (pct_random, _("Randomization (%)"),
-                   0.0, 100.0, 50.0, _("Randomization"))
+                   0.0, 100.0, 50.0,
+                   _("Randomization"))
 
 gegl_chant_int    (repeat, _("Repeat"),
-                   1, 100, 1, _("Repeat"))
-
+                   1, 100, 1,
+                   _("Repeat"))
 
 #else
 
@@ -131,14 +133,14 @@ gegl_chant_class_init (GeglChantClass *klass)
   operation_class    = GEGL_OPERATION_CLASS (klass);
   point_filter_class = GEGL_OPERATION_POINT_FILTER_CLASS (klass);
 
-  operation_class->prepare = prepare;
+  operation_class->prepare    = prepare;
   point_filter_class->process = process;
 
   gegl_operation_class_set_keys (operation_class,
-      "name",       "gegl:noise-hurl",
-      "categories", "noise",
-      "description", _("Completely randomize a fraction of pixels"),
-      NULL);
+    "name",       "gegl:noise-hurl",
+    "categories", "noise",
+    "description", _("Completely randomize a fraction of pixels"),
+    NULL);
 }
 
 #endif
diff --git a/operations/common/noise-pick.c b/operations/common/noise-pick.c
index 1f01e8f..47ed2e4 100644
--- a/operations/common/noise-pick.c
+++ b/operations/common/noise-pick.c
@@ -28,14 +28,16 @@
 
 #ifdef GEGL_CHANT_PROPERTIES
 
-gegl_chant_seed   (seed, _("Seed"), _("Random seed"))
+gegl_chant_seed   (seed, _("Seed"),
+                   _("Random seed"))
 
 gegl_chant_double (pct_random, _("Randomization (%)"),
-                   0.0, 100.0, 50.0, _("Randomization"))
+                   0.0, 100.0, 50.0,
+                   _("Randomization"))
 
 gegl_chant_int    (repeat, _("Repeat"),
-                   1, 100, 1, _("Repeat"))
-
+                   1, 100, 1,
+                   _("Repeat"))
 
 #else
 
@@ -203,10 +205,10 @@ gegl_chant_class_init (GeglChantClass *klass)
   filter_class->process = process;
 
   gegl_operation_class_set_keys (operation_class,
-      "name",       "gegl:noise-pick",
-      "categories", "noise",
-      "description", _("Randomly interchange some pixels with neighbors"),
-      NULL);
+    "name",       "gegl:noise-pick",
+    "categories", "noise",
+    "description", _("Randomly interchange some pixels with neighbors"),
+    NULL);
 }
 
 #endif
diff --git a/operations/common/noise-rgb.c b/operations/common/noise-rgb.c
index b06984d..d3ad580 100644
--- a/operations/common/noise-rgb.c
+++ b/operations/common/noise-rgb.c
@@ -25,18 +25,37 @@
 
 #ifdef GEGL_CHANT_PROPERTIES
 
-gegl_chant_boolean (correlated, _("Correlated noise"), FALSE, _("Correlated noise"))
-gegl_chant_boolean (independent, _("Independent RGB"), TRUE, _("Independent RGB"))
-gegl_chant_double (red, _("Red"),   0.0, 1.0, 0.20, _("Red"))
-gegl_chant_double (green, _("Green"),   0.0, 1.0, 0.20, _("Green"))
-gegl_chant_double (blue, _("Blue"),   0.0, 1.0, 0.20, _("Blue"))
-gegl_chant_double (alpha, _("Alpha"),   0.0, 1.0, 0.00, _("Alpha"))
-gegl_chant_seed (seed, _("Seed"), _("Random seed"))
+gegl_chant_boolean (correlated, _("Correlated noise"),
+                    FALSE,
+                    _("Correlated noise"))
+
+gegl_chant_boolean (independent, _("Independent RGB"),
+                    TRUE,
+                    _("Independent RGB"))
+
+gegl_chant_double  (red, _("Red"),
+                    0.0, 1.0, 0.20,
+                    _("Red"))
+
+gegl_chant_double  (green, _("Green"),
+                    0.0, 1.0, 0.20,
+                    _("Green"))
+
+gegl_chant_double  (blue, _("Blue"),
+                    0.0, 1.0, 0.20,
+                    _("Blue"))
+
+gegl_chant_double  (alpha, _("Alpha"),
+                    0.0, 1.0, 0.00,
+                    _("Alpha"))
+
+gegl_chant_seed    (seed, _("Seed"),
+                    _("Random seed"))
 
 #else
 
 #define GEGL_CHANT_TYPE_POINT_FILTER
-#define GEGL_CHANT_C_FILE       "noise-rgb.c"
+#define GEGL_CHANT_C_FILE "noise-rgb.c"
 
 #include "gegl-chant.h"
 #include <stdio.h>
@@ -158,14 +177,14 @@ gegl_chant_class_init (GeglChantClass *klass)
   operation_class    = GEGL_OPERATION_CLASS (klass);
   point_filter_class = GEGL_OPERATION_POINT_FILTER_CLASS (klass);
 
-  operation_class->prepare = prepare;
+  operation_class->prepare    = prepare;
   point_filter_class->process = process;
 
   gegl_operation_class_set_keys (operation_class,
-      "name",       "gegl:noise-rgb",
-      "categories", "noise",
-      "description", _("Distort colors by random amounts."),
-      NULL);
+    "name",        "gegl:noise-rgb",
+    "categories",  "noise",
+    "description", _("Distort colors by random amounts."),
+    NULL);
 }
 
 #endif
diff --git a/operations/common/noise-slur.c b/operations/common/noise-slur.c
index d19ca71..576265a 100644
--- a/operations/common/noise-slur.c
+++ b/operations/common/noise-slur.c
@@ -31,14 +31,16 @@
 
 #ifdef GEGL_CHANT_PROPERTIES
 
-gegl_chant_seed   (seed, _("Seed"), _("Random seed"))
+gegl_chant_seed   (seed, _("Seed"),
+                   _("Random seed"))
 
 gegl_chant_double (pct_random, _("Randomization (%)"),
-                   0.0, 100.0, 50.0, _("Randomization"))
+                   0.0, 100.0, 50.0,
+                   _("Randomization"))
 
 gegl_chant_int    (repeat, _("Repeat"),
-                   1, 100, 1, _("Repeat"))
-
+                   1, 100, 1,
+                   _("Repeat"))
 
 #else
 
@@ -185,13 +187,13 @@ gegl_chant_class_init (GeglChantClass *klass)
   filter_class    = GEGL_OPERATION_FILTER_CLASS (klass);
 
   operation_class->prepare = prepare;
-  filter_class->process = process;
+  filter_class->process    = process;
 
   gegl_operation_class_set_keys (operation_class,
-      "name",       "gegl:noise-slur",
-      "categories", "noise",
-      "description", _("Randomly slide some pixels downward (similar to melting)"),
-      NULL);
+    "name",        "gegl:noise-slur",
+    "categories",  "noise",
+    "description", _("Randomly slide some pixels downward (similar to melting)"),
+    NULL);
 }
 
 #endif
diff --git a/operations/common/photocopy.c b/operations/common/photocopy.c
index 6c9ede9..35dbf75 100644
--- a/operations/common/photocopy.c
+++ b/operations/common/photocopy.c
@@ -22,22 +22,26 @@
 
 #ifdef GEGL_CHANT_PROPERTIES
 
-gegl_chant_double (mask_radius, _("Mask Radius"), 0.0, 50.0, 10.0,
+gegl_chant_double (mask_radius, _("Mask Radius"),
+                   0.0, 50.0, 10.0,
                    _("Mask Radius"))
 
-gegl_chant_double (sharpness, _("Sharpness"), 0.0, 1.0, 0.5,
+gegl_chant_double (sharpness, _("Sharpness"),
+                   0.0, 1.0, 0.5,
                    _("Sharpness"))
 
-gegl_chant_double (black, _("Percent Black"), 0.0, 1.0, 0.2,
+gegl_chant_double (black, _("Percent Black"),
+                   0.0, 1.0, 0.2,
                    _("Percent Black"))
 
-gegl_chant_double (white, _("Percent White"), 0.0, 1.0, 0.2,
+gegl_chant_double (white, _("Percent White"),
+                   0.0, 1.0, 0.2,
                    _("Percent White"))
 
 #else
 
 #define GEGL_CHANT_TYPE_AREA_FILTER
-#define GEGL_CHANT_C_FILE       "photocopy.c"
+#define GEGL_CHANT_C_FILE "photocopy.c"
 
 #include "gegl-chant.h"
 #include <math.h>
@@ -390,9 +394,9 @@ gegl_chant_class_init (GeglChantClass *klass)
   filter_class->process    = process;
 
   gegl_operation_class_set_keys (operation_class,
-                                 "categories" , "artistic",
-                                 "name"       , "gegl:photocopy",
-                                 "description", _("Photocopy effect"),
-                                 NULL);
+    "name",        "gegl:photocopy",
+    "categories",  "artistic",
+    "description", _("Simulate color distortion produced by a copy machine"),
+    NULL);
 }
 #endif
diff --git a/operations/common/pixelize.c b/operations/common/pixelize.c
index f5a9fd1..e3a27e2 100644
--- a/operations/common/pixelize.c
+++ b/operations/common/pixelize.c
@@ -22,15 +22,18 @@
 
 #ifdef GEGL_CHANT_PROPERTIES
 
-gegl_chant_int_ui (size_x, _("Block Width"),  1, 123456, 16, 1, 2048, 1.5,
-   _("Width of blocks in pixels"))
-gegl_chant_int_ui (size_y, _("Block Height"), 1, 123456, 16, 1, 2048, 1.5,
-   _("Height of blocks in pixels"))
+gegl_chant_int_ui (size_x, _("Block Width"),
+                   1, 123456, 16, 1, 2048, 1.5,
+                   _("Width of blocks in pixels"))
+
+gegl_chant_int_ui (size_y, _("Block Height"),
+                   1, 123456, 16, 1, 2048, 1.5,
+                   _("Height of blocks in pixels"))
 
 #else
 
 #define GEGL_CHANT_TYPE_AREA_FILTER
-#define GEGL_CHANT_C_FILE       "pixelize.c"
+#define GEGL_CHANT_C_FILE"pixelize.c"
 
 #include "gegl-chant.h"
 
@@ -38,7 +41,8 @@ gegl_chant_int_ui (size_y, _("Block Height"), 1, 123456, 16, 1, 2048, 1.5,
 #define CELL_Y(py, cell_height)  ((py) / (cell_height))
 
 
-static void prepare (GeglOperation *operation)
+static void
+prepare (GeglOperation *operation)
 {
   GeglChantO              *o;
   GeglOperationAreaFilter *op_area;
@@ -303,16 +307,15 @@ gegl_chant_class_init (GeglChantClass *klass)
   operation_class = GEGL_OPERATION_CLASS (klass);
   filter_class    = GEGL_OPERATION_FILTER_CLASS (klass);
 
-  filter_class->process    = process;
-  operation_class->prepare = prepare;
-
+  operation_class->prepare        = prepare;
   operation_class->opencl_support = TRUE;
 
+  filter_class->process           = process;
+
   gegl_operation_class_set_keys (operation_class,
-    "categories" , "blur",
-    "name"       , "gegl:pixelize",
-    "description",
-         _("Simplify image into an array of solid-colored squares"),
+    "name",        "gegl:pixelize",
+    "categories",  "blur",
+    "description", _("Simplify image into an array of solid-colored rectangles"),
     NULL);
 }
 
diff --git a/operations/common/polar-coordinates.c b/operations/common/polar-coordinates.c
index 2102294..366cf36 100644
--- a/operations/common/polar-coordinates.c
+++ b/operations/common/polar-coordinates.c
@@ -31,25 +31,43 @@
 
 #ifdef GEGL_CHANT_PROPERTIES
 
-gegl_chant_double (depth, _("Circle depth in percent"), 0.0, 100.0, 100.0,
-                   _("Circle depth in percent"))
-gegl_chant_double (angle, _("Offset angle"), 0.0, 359.9, 0.0,
-                   _("Offset angle."))
-gegl_chant_boolean (bw, _("Map backwards"), FALSE, _("Start from the right instead of the left"))
-gegl_chant_boolean (top, _("Map from top"), TRUE, _("Put the top row in the middle and the bottom row on the 
outside"))
-gegl_chant_boolean (polar, _("To polar"), TRUE, _("Map the image to a circle"))
-gegl_chant_int (pole_x, _("X:"), 0, G_MAXINT, 0,
-                _("Origin point for the polar coordinates"))
-gegl_chant_int (pole_y, _("Y:"), 0, G_MAXINT, 0,
-                _("Origin point for the polar coordinates"))
-gegl_chant_boolean (middle, _("Choose middle"), TRUE,
-                    _("Let origin point to be the middle one"))
+gegl_chant_double  (depth, _("Circle depth in percent"),
+                    0.0, 100.0, 100.0,
+                    _("Circle depth in percent"))
+
+gegl_chant_double  (angle, _("Offset angle"),
+                    0.0, 359.9, 0.0,
+                    _("Offset angle."))
+
+gegl_chant_boolean (bw, _("Map backwards"),
+                    FALSE,
+                    _("Start from the right instead of the left"))
+
+gegl_chant_boolean (top, _("Map from top"),
+                    TRUE,
+                    _("Put the top row in the middle and the bottom row on "
+                      "the outside"))
+
+gegl_chant_boolean (polar, _("To polar"),
+                    TRUE,
+                    _("Map the image to a circle"))
 
+gegl_chant_int     (pole_x, _("X"),
+                    0, G_MAXINT, 0,
+                    _("Origin point for the polar coordinates"))
+
+gegl_chant_int     (pole_y, _("Y"),
+                    0, G_MAXINT, 0,
+                    _("Origin point for the polar coordinates"))
+
+gegl_chant_boolean (middle, _("Choose middle"),
+                    TRUE,
+                    _("Let origin point to be the middle one"))
 
 #else
 
 #define GEGL_CHANT_TYPE_FILTER
-#define GEGL_CHANT_C_FILE       "polar-coordinates.c"
+#define GEGL_CHANT_C_FILE "polar-coordinates.c"
 
 #include "gegl-chant.h"
 #include <stdio.h>
@@ -61,7 +79,8 @@ gegl_chant_boolean (middle, _("Choose middle"), TRUE,
 #define SCALE_WIDTH     200
 #define ENTRY_WIDTH      60
 
-static void prepare (GeglOperation *operation)
+static void
+prepare (GeglOperation *operation)
 {
   gegl_operation_set_format (operation, "input",
                              babl_format ("RGBA float"));
@@ -391,15 +410,16 @@ gegl_chant_class_init (GeglChantClass *klass)
   operation_class = GEGL_OPERATION_CLASS (klass);
   filter_class    = GEGL_OPERATION_FILTER_CLASS (klass);
 
-  filter_class->process    = process;
-  operation_class->prepare = prepare;
+  operation_class->prepare                 = prepare;
   operation_class->get_bounding_box        = get_bounding_box;
   operation_class->get_required_for_output = get_required_for_output;
 
+  filter_class->process                    = process;
+
   gegl_operation_class_set_keys (operation_class,
-    "name"       , "gegl:polar-coordinates",
-    "categories" , "enhance",
-    "description", _("Performs polar-coordinates on the image."),
+    "name",        "gegl:polar-coordinates",
+    "categories",  "enhance",
+    "description", _("Convert image to or from polar coordinates"),
     NULL);
 }
 
diff --git a/operations/common/red-eye-removal.c b/operations/common/red-eye-removal.c
index 81aac57..7e10542 100644
--- a/operations/common/red-eye-removal.c
+++ b/operations/common/red-eye-removal.c
@@ -122,13 +122,13 @@ gegl_chant_class_init (GeglChantClass *klass)
   operation_class = GEGL_OPERATION_CLASS (klass);
   filter_class    = GEGL_OPERATION_FILTER_CLASS (klass);
 
-  filter_class->process    = process;
   operation_class->prepare = prepare;
+  filter_class->process    = process;
 
   gegl_operation_class_set_keys (operation_class,
-    "categories"  , "enhance",
-    "name"        , "gegl:red-eye-removal",
-    "description" , _("Remove the red eye effect caused by camera flashes"),
+    "name",        "gegl:red-eye-removal",
+    "categories",  "enhance",
+    "description", _("Remove the red eye effect caused by camera flashes"),
     NULL);
 }
 
diff --git a/operations/common/ripple.c b/operations/common/ripple.c
index 0279395..697ee54 100644
--- a/operations/common/ripple.c
+++ b/operations/common/ripple.c
@@ -24,43 +24,52 @@
 
 #ifdef GEGL_CHANT_PROPERTIES
 
-gegl_chant_double_ui (amplitude, _("Amplitude"), 0.0, 1000.0, 25.0, 0.0, 1000.0, 2.0,
-                   _("Amplitude of the ripple"))
+gegl_chant_register_enum (gegl_ripple_wave_type)
+  enum_value (GEGl_RIPPLE_WAVE_TYPE_SINE,     "Sine")
+  enum_value (GEGl_RIPPLE_WAVE_TYPE_SAWTOOTH, "Sawtooth")
+gegl_chant_register_enum_end (GeglRippleWaveType)
 
-gegl_chant_double_ui (period, _("Period"), 0.0, 1000.0, 200.0, 0.0, 1000.0, 1.5,
-                   _("Period of the ripple"))
+gegl_chant_double_ui (amplitude, _("Amplitude"),
+                      0.0, 1000.0, 25.0, 0.0, 1000.0, 2.0,
+                      _("Amplitude of the ripple"))
 
-gegl_chant_double (phi, _("Phase shift"), -1.0, 1.0, 0.0,
-                   _("Phase shift"))
+gegl_chant_double_ui (period, _("Period"),
+                      0.0, 1000.0, 200.0, 0.0, 1000.0, 1.5,
+                      _("Period of the ripple"))
 
-gegl_chant_double (angle, _("Angle"), -180.0, 180.0, 0.0,
-                   _("Angle in degree"))
+gegl_chant_double    (phi, _("Phase shift"),
+                      -1.0, 1.0, 0.0,
+                      _("Phase shift"))
 
-gegl_chant_enum (sampler_type, _("Sampler"), GeglSamplerType, gegl_sampler_type,
-                 GEGL_SAMPLER_CUBIC, _("Sampler used internally"))
+gegl_chant_double    (angle, _("Angle"),
+                      -180.0, 180.0, 0.0,
+                      _("Angle in degree"))
 
-gegl_chant_register_enum (gegl_ripple_wave_type)
-  enum_value (GEGl_RIPPLE_WAVE_TYPE_SINE,      "Sine")
-  enum_value (GEGl_RIPPLE_WAVE_TYPE_SAWTOOTH,  "Sawtooth")
-gegl_chant_register_enum_end (GeglRippleWaveType)
+gegl_chant_enum      (sampler_type, _("Sampler"),
+                      GeglSamplerType, gegl_sampler_type, GEGL_SAMPLER_CUBIC,
+                      _("Sampler used internally"))
 
-gegl_chant_enum (wave_type, _("Wave type"), GeglRippleWaveType, gegl_ripple_wave_type,
-                 GEGl_RIPPLE_WAVE_TYPE_SINE, _("Type of wave"))
+gegl_chant_enum      (wave_type, _("Wave type"),
+                      GeglRippleWaveType, gegl_ripple_wave_type,
+                      GEGl_RIPPLE_WAVE_TYPE_SINE,
+                      _("Type of wave"))
 
-gegl_chant_boolean (tileable, _("Tileable"), FALSE,
-                    _("Retain tilebility"))
+gegl_chant_boolean   (tileable, _("Tileable"),
+                      FALSE,
+                      _("Retain tilebility"))
 
 #else
 
 #define GEGL_CHANT_TYPE_AREA_FILTER
-#define GEGL_CHANT_C_FILE       "ripple.c"
+#define GEGL_CHANT_C_FILE "ripple.c"
 
 #include "gegl-chant.h"
 #include <stdio.h>
 #include <math.h>
 #include <stdlib.h>
 
-static void prepare (GeglOperation *operation)
+static void
+prepare (GeglOperation *operation)
 {
   GeglChantO              *o;
   GeglOperationAreaFilter *op_area;
@@ -166,13 +175,13 @@ gegl_chant_class_init (GeglChantClass *klass)
   operation_class = GEGL_OPERATION_CLASS (klass);
   filter_class    = GEGL_OPERATION_FILTER_CLASS (klass);
 
-  filter_class->process    = process;
   operation_class->prepare = prepare;
+  filter_class->process    = process;
 
   gegl_operation_class_set_keys (operation_class,
-    "categories" , "distort",
-    "name"       , "gegl:ripple",
-    "description", _("Transform the buffer with a ripple pattern"),
+    "name",        "gegl:ripple",
+    "categories",  "distort",
+    "description", _("Displace pixels in a ripple pattern"),
     NULL);
 }
 
diff --git a/operations/common/softglow.c b/operations/common/softglow.c
index 1aac225..e8b0e95 100644
--- a/operations/common/softglow.c
+++ b/operations/common/softglow.c
@@ -23,16 +23,22 @@
 
 #ifdef GEGL_CHANT_PROPERTIES
 
-gegl_chant_double (glow_radius, _("Glow radius"),   1.0, 50.0, 10.0, _("Glow radius"))
+gegl_chant_double (glow_radius, _("Glow radius"),
+                   1.0, 50.0, 10.0,
+                   _("Glow radius"))
 
-gegl_chant_double (brightness, _("Brightness"),   0.0, 1.0, 0.75, _("Brightness"))
+gegl_chant_double (brightness, _("Brightness"),
+                   0.0, 1.0, 0.75,
+                   _("Brightness"))
 
-gegl_chant_double (sharpness, _("Sharpness"),   0.0, 1.0, 0.85, _("Sharpness"))
+gegl_chant_double (sharpness, _("Sharpness"),
+                   0.0, 1.0, 0.85,
+                   _("Sharpness"))
 
 #else
 
 #define GEGL_CHANT_TYPE_AREA_FILTER
-#define GEGL_CHANT_C_FILE       "softglow.c"
+#define GEGL_CHANT_C_FILE "softglow.c"
 
 #include "gegl-chant.h"
 #include <stdio.h>
@@ -239,10 +245,10 @@ gegl_chant_class_init (GeglChantClass *klass)
   filter_class->process    = process;
 
   gegl_operation_class_set_keys (operation_class,
-                "categories" , "artistic",
-                "name"       , "gegl:softglow",
-                "description", _("Softglow effect"),
-                NULL);
+    "name",        "gegl:softglow",
+    "categories",  "artistic",
+    "description", _("Simulate glow by making highlights intense and fuzzy"),
+    NULL);
 }
 
 #endif
diff --git a/operations/common/unsharp-mask.c b/operations/common/unsharp-mask.c
index 1d5acd8..c0a8475 100644
--- a/operations/common/unsharp-mask.c
+++ b/operations/common/unsharp-mask.c
@@ -21,19 +21,23 @@
 
 #ifdef GEGL_CHANT_PROPERTIES
 
-gegl_chant_double_ui (std_dev, _("Std. Dev."), 0.0, 500.0, 1.0, 0.0, 200.0, 1.5,
-                  _("Standard deviation (spatial scale factor)"))
-gegl_chant_double_ui (scale,  _("Scale"), 0.0, 100.0, 1.0, 0.0, 100.0, 1.5,
-                  _("Scale, strength of effect"))
+gegl_chant_double_ui (std_dev, _("Std. Dev."),
+                      0.0, 500.0, 1.0, 0.0, 200.0, 1.5,
+                      _("Standard deviation (spatial scale factor)"))
+
+gegl_chant_double_ui (scale, _("Scale"),
+                      0.0, 100.0, 1.0, 0.0, 100.0, 1.5,
+                      _("Scale, strength of effect"))
 
 #else
 
 #define GEGL_CHANT_TYPE_META
-#define GEGL_CHANT_C_FILE       "unsharp-mask.c"
+#define GEGL_CHANT_C_FILE "unsharp-mask.c"
 
 #include "gegl-chant.h"
 
-static void attach (GeglOperation *operation)
+static void
+attach (GeglOperation *operation)
 {
   GeglNode *gegl, *input, *output, *add, *multiply, *subtract, *blur;
 
@@ -64,15 +68,15 @@ gegl_chant_class_init (GeglChantClass *klass)
   GeglOperationClass *operation_class;
 
   operation_class = GEGL_OPERATION_CLASS (klass);
+
   operation_class->attach = attach;
 
   gegl_operation_class_set_keys (operation_class,
-  "name"       , "gegl:unsharp-mask",
-  "categories" , "meta:enhance",
-  "description",
-        _("Performs an unsharp mask on the input buffer (sharpens an image by "
-          "adding false mach-bands around edges)"),
-        NULL);
+    "name",        "gegl:unsharp-mask",
+    "categories",  "meta:enhance",
+    "description", _("The most widely used method for sharpening an image, "
+                     "sharpens by adding false mach-bands around edges"),
+    NULL);
 }
 
 #endif
diff --git a/operations/common/vignette.c b/operations/common/vignette.c
index c56c08f..14dac7e 100644
--- a/operations/common/vignette.c
+++ b/operations/common/vignette.c
@@ -19,33 +19,64 @@
 #include "config.h"
 #include <glib/gi18n-lib.h>
 
-
 #ifdef GEGL_CHANT_PROPERTIES
+
 gegl_chant_register_enum (gegl_vignette_shape)
   enum_value (GEGl_VIGNETTE_SHAPE_CIRCLE,  "Circle")
   enum_value (GEGl_VIGNETTE_SHAPE_SQUARE,  "Square")
   enum_value (GEGl_VIGNETTE_SHAPE_DIAMOND, "Diamond")
 gegl_chant_register_enum_end (GeglVignetteShape)
 
-gegl_chant_enum (shape, _("Shape"), GeglVignetteShape, gegl_vignette_shape,
-                 GEGl_VIGNETTE_SHAPE_CIRCLE, _("Shape of the vignette"))
+gegl_chant_enum   (shape, _("Shape"),
+                   GeglVignetteShape, gegl_vignette_shape,
+                   GEGl_VIGNETTE_SHAPE_CIRCLE,
+                   _("Shape of the vignette"))
+
+gegl_chant_color  (color, _("Color"),
+                   "black",
+                   _("Defaults to 'black', you can use transparency here "
+                     "to erase portions of an image"))
+
+gegl_chant_double (radius, _("Radius"),
+                   0.0, 3.0, 1.5,
+                   _("How far out vignetting goes as portion of half "
+                     "image diagonal"))
+
+gegl_chant_double (softness, _("Softness"),
+                   0.0, 1.0, 0.8,
+                   _("Softness"))
+
+gegl_chant_double (gamma, _("Gamma"),
+                   1.0, 20.0, 2.0,
+                   _("Falloff linearity"))
+
+gegl_chant_double (proportion, _("Proportion"),
+                   0.0, 1.0, 1.0,
+                   _("How close we are to image proportions"))
 
+gegl_chant_double (squeeze, _("Squeeze"),
+                   -1.0, 1.0, 0.0,
+                   _("Aspect ratio to use, -0.5 = 1:2, 0.0 = 1:1, 0.5 = 2:1, "
+                     "-1.0 = 1:inf 1.0 = inf:1, this is applied after "
+                     "proportion is taken into account, to directly use "
+                     "squeeze factor as proportions, set proportion to 0.0."))
 
-gegl_chant_color (color,     _("Color"), "black", _("Defaults to 'black', you can use transparency here to 
erase portions of an image"))
-gegl_chant_double (radius,   _("Radius"),  0.0, 3.0, 1.5, _("How far out vignetting goes as portion of half 
image diagonal"))
-gegl_chant_double (softness,  _("Softness"),  0.0, 1.0, 0.8, _("Softness"))
-gegl_chant_double (gamma,    _("Gamma"),  1.0, 20.0, 2.0, _("Falloff linearity"))
-gegl_chant_double (proportion, _("Proportion"), 0.0, 1.0, 1.0,  _("How close we are to image proportions"))
-gegl_chant_double (squeeze,   _("Squeeze"), -1.0, 1.0, 0.0,  _("Aspect ratio to use, -0.5 = 1:2, 0.0 = 1:1, 
0.5 = 2:1, -1.0 = 1:inf 1.0 = inf:1, this is applied after proportion is taken into account, to directly use 
squeeze factor as proportions, set proportion to 0.0."))
+gegl_chant_double (x, _("X"),
+                   -1.0, 2.0, 0.5,
+                   _("Horizontal center of vignetting"))
 
-gegl_chant_double (x,        _("X"),  -1.0, 2.0, 0.5, _("Horizontal center of vignetting"))
-gegl_chant_double (y,        _("Y"),  -1.0, 2.0, 0.5, _("Vertical center of vignetting"))
-gegl_chant_double (rotation, _("Rotation"),  0.0, 360.0, 0.0, _("Rotation angle"))
+gegl_chant_double (y, _("Y"),
+                   -1.0, 2.0, 0.5,
+                   _("Vertical center of vignetting"))
+
+gegl_chant_double (rotation, _("Rotation"),
+                   0.0, 360.0, 0.0,
+                   _("Rotation angle"))
 
 #else
 
 #define GEGL_CHANT_TYPE_POINT_FILTER
-#define GEGL_CHANT_C_FILE               "vignette.c"
+#define GEGL_CHANT_C_FILE "vignette.c"
 
 #include "gegl-chant.h"
 
@@ -67,7 +98,8 @@ prepare (GeglOperation *operation)
  *  1.0 = infinity
  */
 
-static float aspect_to_scale (float aspect)
+static float
+aspect_to_scale (float aspect)
 {
   if (aspect == 0.0)
     return 1.0;
@@ -78,7 +110,8 @@ static float aspect_to_scale (float aspect)
 }
 
 #if 0
-static float scale_to_aspect (float scale)
+static float
+scale_to_aspect (float scale)
 {
   if (scale == 1.0)
     return 0.0;
@@ -327,27 +360,30 @@ process (GeglOperation       *operation,
 
   return  TRUE;
 }
+
 static void
 gegl_chant_class_init (GeglChantClass *klass)
 {
   GeglOperationClass            *operation_class;
   GeglOperationPointFilterClass *point_filter_class;
 
-  operation_class = GEGL_OPERATION_CLASS (klass);
+  operation_class    = GEGL_OPERATION_CLASS (klass);
   point_filter_class = GEGL_OPERATION_POINT_FILTER_CLASS (klass);
 
-  point_filter_class->process = process;
-  point_filter_class->cl_process = cl_process;
-
-  operation_class->prepare = prepare;
-  operation_class->no_cache = TRUE;
-
+  operation_class->prepare        = prepare;
+  operation_class->no_cache       = TRUE;
   operation_class->opencl_support = TRUE;
 
+  point_filter_class->process    = process;
+  point_filter_class->cl_process = cl_process;
+
   gegl_operation_class_set_keys (operation_class,
-  "name"       , "gegl:vignette",
-  "categories" , "render",
-  "description", _("A vignetting op, applies a vignette to an image. Simulates the luminance fall off at 
edge of exposed film, and some other fuzzier border effects that can naturally occur with analoge 
photograpy."),
+    "name",        "gegl:vignette",
+    "categories",  "render",
+    "description", _("Applies a vignette to an image. Simulates the luminance "
+                     "fall off at the edge of exposed film, and some other "
+                     "fuzzier border effects that can naturally occur with "
+                     "analog photograpy"),
   NULL);
 }
 
diff --git a/operations/common/whirl-pinch.c b/operations/common/whirl-pinch.c
index e508992..afa9e43 100644
--- a/operations/common/whirl-pinch.c
+++ b/operations/common/whirl-pinch.c
@@ -269,10 +269,10 @@ gegl_chant_class_init (GeglChantClass *klass)
   operation_class->get_required_for_output = get_required_for_output;
 
   gegl_operation_class_set_keys (operation_class,
-      "name",        "gegl:whirl-pinch",
-      "categories",  "distort",
-      "description", _("Distort an image by whirling and pinching"),
-      NULL);
+    "name",        "gegl:whirl-pinch",
+    "categories",  "distort",
+    "description", _("Distort an image by whirling and pinching"),
+    NULL);
 }
 
 #endif


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