Cleanup: various minor changes

- Add missing doxy-section for Apply Parent Inverse Operator
- Use identity for None comparison in Python.
- Remove newline from operator doc-strings.
- Use '*' prefix multi-line C comment blocks.
- Separate filenames from doc-strings.
- Remove break after return.

intern/cycles/kernel/integrator/mnee.h

@@ -1028,8 +1028,8 @@ ccl_device_forceinline bool kernel_path_mnee_sample(KernelGlobals kg,
             bsdf->type == CLOSURE_BSDF_MICROFACET_MULTI_GGX_GLASS_ID ||
             bsdf->type == CLOSURE_BSDF_MICROFACET_MULTI_GGX_GLASS_FRESNEL_ID) {
           /* Note that CLOSURE_BSDF_MICROFACET_MULTI_GGX_GLASS_ID and
-             CLOSURE_BSDF_MICROFACET_MULTI_GGX_GLASS_FRESNEL_ID are treated as
-             CLOSURE_BSDF_MICROFACET_GGX_REFRACTION_ID further below */
+           * CLOSURE_BSDF_MICROFACET_MULTI_GGX_GLASS_FRESNEL_ID are treated as
+           * CLOSURE_BSDF_MICROFACET_GGX_REFRACTION_ID further below. */
 
           found_transimissive_microfacet_bsdf = true;
           ccl_private MicrofacetBsdf *microfacet_bsdf = (ccl_private MicrofacetBsdf *)bsdf;

source/blender/blenkernel/BKE_paint.h

@@ -731,6 +731,7 @@ enum {
 };
 
 /* paint_canvas.cc */
+
 /**
  * Create a key that can be used to compare with previous ones to identify changes.
  * The resulting 'string' is owned by the caller.

source/blender/blenkernel/intern/pbvh_intern.h

@@ -267,6 +267,7 @@ bool pbvh_bmesh_node_nearest_to_ray(PBVHNode *node,
 void pbvh_bmesh_normals_update(PBVHNode **nodes, int totnode);
 
 /* pbvh_pixels.hh */
+
 void pbvh_pixels_free(PBVHNode *node);
 void pbvh_pixels_free_brush_test(PBVHNode *node);
 

source/blender/blenlib/BLI_color_mix.hh

@@ -5,7 +5,6 @@
  * \ingroup blenlib
  *
  * Contains color mixing utilities.
- *
  */
 
 #include "BLI_color.hh"

source/blender/editors/object/object_transform.cc

@@ -1170,6 +1170,12 @@ void OBJECT_OT_transform_apply(wmOperatorType *ot)
   RNA_def_property_flag(prop, PROP_SKIP_SAVE);
 }
 
+/** \} */
+
+/* -------------------------------------------------------------------- */
+/** \name Apply Parent Inverse Operator
+ * \{ */
+
 static int object_parent_inverse_apply_exec(bContext *C, wmOperator *UNUSED(op))
 {
   CTX_DATA_BEGIN (C, Object *, ob, selected_editable_objects) {

source/blender/editors/space_node/node_view.cc

@@ -227,7 +227,6 @@ static int snode_bg_viewmove_modal(bContext *C, wmOperator *op, const wmEvent *e
       op->customdata = nullptr;
 
       return OPERATOR_CANCELLED;
-      break;
   }
 
   return OPERATOR_RUNNING_MODAL;

source/blender/makesrna/intern/rna_scene.c

@@ -3095,7 +3095,7 @@ static void rna_def_tool_settings(BlenderRNA *brna)
   RNA_def_property_ui_text(prop,
                            "Lock Object Modes",
                            "Restrict selection to objects using the same mode as the active "
-                           "object,\nto prevent accidental mode switch when selecting");
+                           "object, to prevent accidental mode switch when selecting");
   RNA_def_property_update(prop, NC_SCENE | ND_TOOLSETTINGS, NULL);
 
   static const EnumPropertyItem workspace_tool_items[] = {

tests/performance/benchmark

@@ -333,7 +333,7 @@ def main():
 
     argv = sys.argv[2:]
     blender_git_dir = find_blender_git_dir()
-    if blender_git_dir == None:
+    if blender_git_dir is None:
         sys.stderr.write('Error: no blender git repository found from current working directory\n')
         sys.exit(1)