Cleanup: comment blocks, trailing space in comments

9 files changed, 55 insertions, 55 deletions

diff --git a/source/blender/editors/animation/anim_channels_defines.c b/source/blender/editors/animation/anim_channels_defines.c
index 0b587191807..f69830fc015 100644
--- a/source/blender/editors/animation/anim_channels_defines.c
+++ b/source/blender/editors/animation/anim_channels_defines.c
@@ -502,7 +502,7 @@ static bool acf_summary_setting_valid(bAnimContext *UNUSED(ac),
   return (setting == ACHANNEL_SETTING_EXPAND);
 }
 
-/* get the appropriate flag(s) for the setting when it is valid  */
+/* Get the appropriate flag(s) for the setting when it is valid. */
 static int acf_summary_setting_flag(bAnimContext *UNUSED(ac),
                                     eAnimChannel_Settings setting,
                                     bool *neg)
@@ -595,7 +595,7 @@ static bool acf_scene_setting_valid(bAnimContext *ac,
   }
 }
 
-/* get the appropriate flag(s) for the setting when it is valid  */
+/* Get the appropriate flag(s) for the setting when it is valid. */
 static int acf_scene_setting_flag(bAnimContext *UNUSED(ac),
                                   eAnimChannel_Settings setting,
                                   bool *neg)
@@ -766,7 +766,7 @@ static bool acf_object_setting_valid(bAnimContext *ac,
   }
 }
 
-/* get the appropriate flag(s) for the setting when it is valid  */
+/* Get the appropriate flag(s) for the setting when it is valid. */
 static int acf_object_setting_flag(bAnimContext *UNUSED(ac),
                                    eAnimChannel_Settings setting,
                                    bool *neg)
@@ -949,7 +949,7 @@ static bool acf_group_setting_valid(bAnimContext *ac,
   }
 }
 
-/* get the appropriate flag(s) for the setting when it is valid  */
+/* Get the appropriate flag(s) for the setting when it is valid. */
 static int acf_group_setting_flag(bAnimContext *ac, eAnimChannel_Settings setting, bool *neg)
 {
   /* clear extra return data first */
@@ -1086,7 +1086,7 @@ static bool acf_fcurve_setting_valid(bAnimContext *ac,
   }
 }
 
-/* get the appropriate flag(s) for the setting when it is valid  */
+/* Get the appropriate flag(s) for the setting when it is valid. */
 static int acf_fcurve_setting_flag(bAnimContext *UNUSED(ac),
                                    eAnimChannel_Settings setting,
                                    bool *neg)
@@ -1212,7 +1212,7 @@ static bool acf_nla_controls_setting_valid(bAnimContext *UNUSED(ac),
   }
 }
 
-/* get the appropriate flag(s) for the setting when it is valid  */
+/* Get the appropriate flag(s) for the setting when it is valid. */
 static int acf_nla_controls_setting_flag(bAnimContext *UNUSED(ac),
                                          eAnimChannel_Settings setting,
                                          bool *neg)
@@ -1330,7 +1330,7 @@ static bool acf_fillactd_setting_valid(bAnimContext *UNUSED(ac),
   }
 }
 
-/* get the appropriate flag(s) for the setting when it is valid  */
+/* Get the appropriate flag(s) for the setting when it is valid. */
 static int acf_fillactd_setting_flag(bAnimContext *UNUSED(ac),
                                      eAnimChannel_Settings setting,
                                      bool *neg)
@@ -1425,7 +1425,7 @@ static bool acf_filldrivers_setting_valid(bAnimContext *UNUSED(ac),
   }
 }
 
-/* get the appropriate flag(s) for the setting when it is valid  */
+/* Get the appropriate flag(s) for the setting when it is valid. */
 static int acf_filldrivers_setting_flag(bAnimContext *UNUSED(ac),
                                         eAnimChannel_Settings setting,
                                         bool *neg)
@@ -1489,7 +1489,7 @@ static int acf_dsmat_icon(bAnimListElem *UNUSED(ale))
   return ICON_MATERIAL_DATA;
 }
 
-/* get the appropriate flag(s) for the setting when it is valid  */
+/* Get the appropriate flag(s) for the setting when it is valid. */
 static int acf_dsmat_setting_flag(bAnimContext *UNUSED(ac),
                                   eAnimChannel_Settings setting,
                                   bool *neg)
@@ -1568,7 +1568,7 @@ static int acf_dslight_icon(bAnimListElem *UNUSED(ale))
   return ICON_LIGHT_DATA;
 }
 
-/* get the appropriate flag(s) for the setting when it is valid  */
+/* Get the appropriate flag(s) for the setting when it is valid. */
 static int acf_dslight_setting_flag(bAnimContext *UNUSED(ac),
                                     eAnimChannel_Settings setting,
                                     bool *neg)
@@ -1656,7 +1656,7 @@ static short acf_dstex_offset(bAnimContext *UNUSED(ac), bAnimListElem *UNUSED(al
   return 14; /* XXX: simply include this in indention instead? */
 }
 
-/* get the appropriate flag(s) for the setting when it is valid  */
+/* Get the appropriate flag(s) for the setting when it is valid. */
 static int acf_dstex_setting_flag(bAnimContext *UNUSED(ac),
                                   eAnimChannel_Settings setting,
                                   bool *neg)
@@ -1736,7 +1736,7 @@ static int acf_dscachefile_icon(bAnimListElem *ale)
   return ICON_FILE;
 }
 
-/* get the appropriate flag(s) for the setting when it is valid  */
+/* Get the appropriate flag(s) for the setting when it is valid. */
 static int acf_dscachefile_setting_flag(bAnimContext *ac, eAnimChannel_Settings setting, bool *neg)
 {
   /* clear extra return data first */
@@ -1818,7 +1818,7 @@ static int acf_dscam_icon(bAnimListElem *UNUSED(ale))
   return ICON_CAMERA_DATA;
 }
 
-/* get the appropriate flag(s) for the setting when it is valid  */
+/* Get the appropriate flag(s) for the setting when it is valid. */
 static int acf_dscam_setting_flag(bAnimContext *UNUSED(ac),
                                   eAnimChannel_Settings setting,
                                   bool *neg)
@@ -1911,7 +1911,7 @@ static int acf_dscur_icon(bAnimListElem *ale)
   }
 }
 
-/* get the appropriate flag(s) for the setting when it is valid  */
+/* Get the appropriate flag(s) for the setting when it is valid. */
 static int acf_dscur_setting_flag(bAnimContext *UNUSED(ac),
                                   eAnimChannel_Settings setting,
                                   bool *neg)
@@ -2009,7 +2009,7 @@ static bool acf_dsskey_setting_valid(bAnimContext *ac,
   }
 }
 
-/* get the appropriate flag(s) for the setting when it is valid  */
+/* Get the appropriate flag(s) for the setting when it is valid. */
 static int acf_dsskey_setting_flag(bAnimContext *UNUSED(ac),
                                    eAnimChannel_Settings setting,
                                    bool *neg)
@@ -2088,7 +2088,7 @@ static int acf_dswor_icon(bAnimListElem *UNUSED(ale))
   return ICON_WORLD_DATA;
 }
 
-/* get the appropriate flag(s) for the setting when it is valid  */
+/* Get the appropriate flag(s) for the setting when it is valid. */
 static int acf_dswor_setting_flag(bAnimContext *UNUSED(ac),
                                   eAnimChannel_Settings setting,
                                   bool *neg)
@@ -2167,7 +2167,7 @@ static int acf_dspart_icon(bAnimListElem *UNUSED(ale))
   return ICON_PARTICLE_DATA;
 }
 
-/* get the appropriate flag(s) for the setting when it is valid  */
+/* Get the appropriate flag(s) for the setting when it is valid. */
 static int acf_dspart_setting_flag(bAnimContext *UNUSED(ac),
                                    eAnimChannel_Settings setting,
                                    bool *neg)
@@ -2246,7 +2246,7 @@ static int acf_dsmball_icon(bAnimListElem *UNUSED(ale))
   return ICON_META_DATA;
 }
 
-/* get the appropriate flag(s) for the setting when it is valid  */
+/* Get the appropriate flag(s) for the setting when it is valid. */
 static int acf_dsmball_setting_flag(bAnimContext *UNUSED(ac),
                                     eAnimChannel_Settings setting,
                                     bool *neg)
@@ -2327,7 +2327,7 @@ static int acf_dsarm_icon(bAnimListElem *UNUSED(ale))
   return ICON_ARMATURE_DATA;
 }
 
-/* get the appropriate flag(s) for the setting when it is valid  */
+/* Get the appropriate flag(s) for the setting when it is valid. */
 static int acf_dsarm_setting_flag(bAnimContext *UNUSED(ac),
                                   eAnimChannel_Settings setting,
                                   bool *neg)
@@ -2417,7 +2417,7 @@ static short acf_dsntree_offset(bAnimContext *ac, bAnimListElem *ale)
   return offset;
 }
 
-/* get the appropriate flag(s) for the setting when it is valid  */
+/* Get the appropriate flag(s) for the setting when it is valid. */
 static int acf_dsntree_setting_flag(bAnimContext *UNUSED(ac),
                                     eAnimChannel_Settings setting,
                                     bool *neg)
@@ -2498,7 +2498,7 @@ static int acf_dslinestyle_icon(bAnimListElem *UNUSED(ale))
   return ICON_LINE_DATA;
 }
 
-/* get the appropriate flag(s) for the setting when it is valid  */
+/* Get the appropriate flag(s) for the setting when it is valid. */
 static int acf_dslinestyle_setting_flag(bAnimContext *UNUSED(ac),
                                         eAnimChannel_Settings setting,
                                         bool *neg)
@@ -2579,7 +2579,7 @@ static int acf_dsmesh_icon(bAnimListElem *UNUSED(ale))
   return ICON_MESH_DATA;
 }
 
-/* get the appropriate flag(s) for the setting when it is valid  */
+/* Get the appropriate flag(s) for the setting when it is valid. */
 static int acf_dsmesh_setting_flag(bAnimContext *UNUSED(ac),
                                    eAnimChannel_Settings setting,
                                    bool *neg)
@@ -2659,7 +2659,7 @@ static int acf_dslat_icon(bAnimListElem *UNUSED(ale))
   return ICON_LATTICE_DATA;
 }
 
-/* get the appropriate flag(s) for the setting when it is valid  */
+/* Get the appropriate flag(s) for the setting when it is valid. */
 static int acf_dslat_setting_flag(bAnimContext *UNUSED(ac),
                                   eAnimChannel_Settings setting,
                                   bool *neg)
@@ -2739,7 +2739,7 @@ static int acf_dsspk_icon(bAnimListElem *UNUSED(ale))
   return ICON_SPEAKER;
 }
 
-/* get the appropriate flag(s) for the setting when it is valid  */
+/* Get the appropriate flag(s) for the setting when it is valid. */
 static int acf_dsspk_setting_flag(bAnimContext *UNUSED(ac),
                                   eAnimChannel_Settings setting,
                                   bool *neg)
@@ -2818,7 +2818,7 @@ static int acf_dshair_icon(bAnimListElem *UNUSED(ale))
   return ICON_HAIR_DATA;
 }
 
-/* get the appropriate flag(s) for the setting when it is valid  */
+/* Get the appropriate flag(s) for the setting when it is valid. */
 static int acf_dshair_setting_flag(bAnimContext *UNUSED(ac),
                                    eAnimChannel_Settings setting,
                                    bool *neg)
@@ -2897,7 +2897,7 @@ static int acf_dspointcloud_icon(bAnimListElem *UNUSED(ale))
   return ICON_POINTCLOUD_DATA;
 }
 
-/* get the appropriate flag(s) for the setting when it is valid  */
+/* Get the appropriate flag(s) for the setting when it is valid. */
 static int acf_dspointcloud_setting_flag(bAnimContext *UNUSED(ac),
                                          eAnimChannel_Settings setting,
                                          bool *neg)
@@ -2978,7 +2978,7 @@ static int acf_dsvolume_icon(bAnimListElem *UNUSED(ale))
   return ICON_VOLUME_DATA;
 }
 
-/* get the appropriate flag(s) for the setting when it is valid  */
+/* Get the appropriate flag(s) for the setting when it is valid. */
 static int acf_dsvolume_setting_flag(bAnimContext *UNUSED(ac),
                                      eAnimChannel_Settings setting,
                                      bool *neg)
@@ -3137,7 +3137,7 @@ static int acf_dsgpencil_icon(bAnimListElem *UNUSED(ale))
   return ICON_GREASEPENCIL;
 }
 
-/* get the appropriate flag(s) for the setting when it is valid  */
+/* Get the appropriate flag(s) for the setting when it is valid. */
 static int acf_dsgpencil_setting_flag(bAnimContext *UNUSED(ac),
                                       eAnimChannel_Settings setting,
                                       bool *neg)
@@ -3218,7 +3218,7 @@ static int acf_dsmclip_icon(bAnimListElem *UNUSED(ale))
   return ICON_SEQUENCE;
 }
 
-/* get the appropriate flag(s) for the setting when it is valid  */
+/* Get the appropriate flag(s) for the setting when it is valid. */
 static int acf_dsmclip_setting_flag(bAnimContext *UNUSED(ac),
                                     eAnimChannel_Settings setting,
                                     bool *neg)
@@ -3343,7 +3343,7 @@ static bool acf_shapekey_setting_valid(bAnimContext *UNUSED(ac),
   }
 }
 
-/* get the appropriate flag(s) for the setting when it is valid  */
+/* Get the appropriate flag(s) for the setting when it is valid. */
 static int acf_shapekey_setting_flag(bAnimContext *UNUSED(ac),
                                      eAnimChannel_Settings setting,
                                      bool *neg)
@@ -3437,7 +3437,7 @@ static bool acf_gpd_setting_valid(bAnimContext *UNUSED(ac),
   }
 }
 
-/* get the appropriate flag(s) for the setting when it is valid  */
+/* Get the appropriate flag(s) for the setting when it is valid. */
 static int acf_gpd_setting_flag(bAnimContext *UNUSED(ac), eAnimChannel_Settings setting, bool *neg)
 {
   /* clear extra return data first */
@@ -3530,7 +3530,7 @@ static bool acf_gpl_setting_valid(bAnimContext *UNUSED(ac),
   }
 }
 
-/* get the appropriate flag(s) for the setting when it is valid  */
+/* Get the appropriate flag(s) for the setting when it is valid. */
 static int acf_gpl_setting_flag(bAnimContext *UNUSED(ac), eAnimChannel_Settings setting, bool *neg)
 {
   /* clear extra return data first */
@@ -3616,7 +3616,7 @@ static bool acf_mask_setting_valid(bAnimContext *UNUSED(ac),
   }
 }
 
-/* get the appropriate flag(s) for the setting when it is valid  */
+/* Get the appropriate flag(s) for the setting when it is valid. */
 static int acf_mask_setting_flag(bAnimContext *UNUSED(ac),
                                  eAnimChannel_Settings setting,
                                  bool *neg)
@@ -3713,7 +3713,7 @@ static bool acf_masklay_setting_valid(bAnimContext *UNUSED(ac),
   }
 }
 
-/* get the appropriate flag(s) for the setting when it is valid  */
+/* Get the appropriate flag(s) for the setting when it is valid. */
 static int acf_masklay_setting_flag(bAnimContext *UNUSED(ac),
                                     eAnimChannel_Settings setting,
                                     bool *neg)
@@ -3849,7 +3849,7 @@ static bool acf_nlatrack_setting_valid(bAnimContext *UNUSED(ac),
   }
 }
 
-/* get the appropriate flag(s) for the setting when it is valid  */
+/* Get the appropriate flag(s) for the setting when it is valid. */
 static int acf_nlatrack_setting_flag(bAnimContext *UNUSED(ac),
                                      eAnimChannel_Settings setting,
                                      bool *neg)
@@ -4038,7 +4038,7 @@ static bool acf_nlaaction_setting_valid(bAnimContext *UNUSED(ac),
   }
 }
 
-/* get the appropriate flag(s) for the setting when it is valid  */
+/* Get the appropriate flag(s) for the setting when it is valid. */
 static int acf_nlaaction_setting_flag(bAnimContext *UNUSED(ac),
                                       eAnimChannel_Settings setting,
                                       bool *neg)
@@ -4415,7 +4415,7 @@ void ANIM_channel_draw(
   /* set blending again, as may not be set in previous step */
   GPU_blend(GPU_BLEND_ALPHA);
 
-  /* step 1) draw backdrop ...........................................  */
+  /* step 1) draw backdrop ........................................... */
   if (acf->draw_backdrop) {
     acf->draw_backdrop(ac, ale, yminc, ymaxc);
   }
@@ -5096,7 +5096,7 @@ static void draw_setting_widget(bAnimContext *ac,
     /* set call to send relevant notifiers and/or perform type-specific updates */
     if (but) {
       switch (setting) {
-        /* settings needing flushing up/down hierarchy  */
+        /* Settings needing flushing up/down hierarchy. */
         case ACHANNEL_SETTING_VISIBLE: /* Graph Editor - 'visibility' toggles */
         case ACHANNEL_SETTING_PROTECT: /* General - protection flags */
         case ACHANNEL_SETTING_MUTE:    /* General - muting flags */
@@ -5184,12 +5184,12 @@ void ANIM_channel_draw_widgets(const bContext *C,
     if ((ac->spacetype == SPACE_GRAPH) &&
         (acf->has_setting(ac, ale, ACHANNEL_SETTING_VISIBLE) ||
          acf->has_setting(ac, ale, ACHANNEL_SETTING_ALWAYS_VISIBLE))) {
-      /* pin toggle  */
+      /* Pin toggle. */
       if (acf->has_setting(ac, ale, ACHANNEL_SETTING_ALWAYS_VISIBLE)) {
         draw_setting_widget(ac, ale, acf, block, offset, ymid, ACHANNEL_SETTING_ALWAYS_VISIBLE);
         offset += ICON_WIDTH;
       }
-      /* visibility toggle  */
+      /* Visibility toggle. */
       if (acf->has_setting(ac, ale, ACHANNEL_SETTING_VISIBLE)) {
         /* For F-curves, add the extra space for the color bands. */
         if (ELEM(ale->type, ANIMTYPE_FCURVE, ANIMTYPE_NLACURVE)) {
diff --git a/source/blender/editors/animation/anim_channels_edit.c b/source/blender/editors/animation/anim_channels_edit.c
index 061fe0b07c5..58e257259c2 100644
--- a/source/blender/editors/animation/anim_channels_edit.c
+++ b/source/blender/editors/animation/anim_channels_edit.c
@@ -1685,7 +1685,7 @@ static void animchannels_group_channels(bAnimContext *ac,
       agrp = action_groups_add_new(act, name);
       BLI_assert(agrp != NULL);
 
-      /* transfer selected F-Curves across to new group  */
+      /* Transfer selected F-Curves across to new group. */
       for (ale = anim_data.first; ale; ale = ale->next) {
         FCurve *fcu = (FCurve *)ale->data;
         bActionGroup *grp = fcu->grp;
@@ -1726,7 +1726,7 @@ static int animchannels_group_exec(bContext *C, wmOperator *op)
     bAnimListElem *ale;
     int filter;
 
-    /* handle each animdata block separately, so that the regrouping doesn't flow into blocks  */
+    /* Handle each animdata block separately, so that the regrouping doesn't flow into blocks. */
     filter = (ANIMFILTER_DATA_VISIBLE | ANIMFILTER_LIST_VISIBLE | ANIMFILTER_ANIMDATA |
               ANIMFILTER_NODUPLIS);
     ANIM_animdata_filter(&ac, &anim_data, filter, ac.data, ac.datatype);
diff --git a/source/blender/editors/animation/anim_deps.c b/source/blender/editors/animation/anim_deps.c
index 31284e41b18..42fdb714127 100644
--- a/source/blender/editors/animation/anim_deps.c
+++ b/source/blender/editors/animation/anim_deps.c
@@ -93,9 +93,9 @@ void ANIM_list_elem_update(Main *bmain, Scene *scene, bAnimListElem *ale)
   fcu = (ale->datatype == ALE_FCURVE) ? ale->key_data : NULL;
 
   if (fcu && fcu->rna_path) {
-    /* if we have an fcurve, call the update for the property we
+    /* If we have an fcurve, call the update for the property we
      * are editing, this is then expected to do the proper redraws
-     * and depsgraph updates  */
+     * and depsgraph updates. */
     PointerRNA id_ptr, ptr;
     PropertyRNA *prop;
 
diff --git a/source/blender/editors/animation/anim_draw.c b/source/blender/editors/animation/anim_draw.c
index aca332ff0fe..d5c7ff07274 100644
--- a/source/blender/editors/animation/anim_draw.c
+++ b/source/blender/editors/animation/anim_draw.c
@@ -168,7 +168,7 @@ void ANIM_draw_framerange(Scene *scene, View2D *v2d)
 }
 
 /* *************************************************** */
-/* NLA-MAPPING UTILITIES (required for drawing and also editing keyframes)  */
+/* NLA-MAPPING UTILITIES (required for drawing and also editing keyframes). */
 
 /**
  * Obtain the AnimData block providing NLA-mapping for the given channel (if applicable).
diff --git a/source/blender/editors/animation/drivers.c b/source/blender/editors/animation/drivers.c
index 43d5efe9ea9..ecc1b4b4523 100644
--- a/source/blender/editors/animation/drivers.c
+++ b/source/blender/editors/animation/drivers.c
@@ -568,7 +568,7 @@ bool ANIM_remove_driver(ReportList *UNUSED(reports),
       FCurve *fcu_iter = adt->drivers.first;
 
       while ((fcu = BKE_fcurve_iter_step(fcu_iter, rna_path)) != NULL) {
-        /* store the next fcurve for looping  */
+        /* Store the next fcurve for looping. */
         fcu_iter = fcu->next;
 
         /* remove F-Curve from driver stack, then free it */
diff --git a/source/blender/editors/animation/fmodifier_ui.c b/source/blender/editors/animation/fmodifier_ui.c
index 653bd72b364..31552330071 100644
--- a/source/blender/editors/animation/fmodifier_ui.c
+++ b/source/blender/editors/animation/fmodifier_ui.c
@@ -246,7 +246,7 @@ static PanelType *fmodifier_subpanel_register(ARegionType *region_type,
 #define B_REDR 1
 #define B_FMODIFIER_REDRAW 20
 
-/* callback to remove the given modifier  */
+/* Callback to remove the given modifier. */
 typedef struct FModifierDeleteContext {
   ID *owner_id;
   ListBase *modifiers;
diff --git a/source/blender/editors/animation/keyframes_edit.c b/source/blender/editors/animation/keyframes_edit.c
index 636f0d3cbea..badd7a4e3b6 100644
--- a/source/blender/editors/animation/keyframes_edit.c
+++ b/source/blender/editors/animation/keyframes_edit.c
@@ -1109,7 +1109,7 @@ static short set_bezier_auto_clamped(KeyframeEditData *UNUSED(ked), BezTriple *b
   return 0;
 }
 
-/* Sets the selected bezier handles to type 'vector'  */
+/* Sets the selected bezier handles to type 'vector'. */
 static short set_bezier_vector(KeyframeEditData *UNUSED(ked), BezTriple *bezt)
 {
   /* If the key is selected, always apply to both handles. */
@@ -1164,7 +1164,7 @@ static short set_bezier_align(KeyframeEditData *UNUSED(ked), BezTriple *bezt)
   return 0;
 }
 
-/* Sets selected bezier handles to type 'free'  */
+/* Sets selected bezier handles to type 'free'. */
 static short set_bezier_free(KeyframeEditData *UNUSED(ked), BezTriple *bezt)
 {
   /* If the key is selected, always apply to both handles. */
diff --git a/source/blender/editors/animation/keyframes_general.c b/source/blender/editors/animation/keyframes_general.c
index b2d74376102..e1ae6526347 100644
--- a/source/blender/editors/animation/keyframes_general.c
+++ b/source/blender/editors/animation/keyframes_general.c
@@ -193,7 +193,7 @@ void clean_fcurve(struct bAnimContext *ac, bAnimListElem *ale, float thresh, boo
   BezTriple *lastb;
   int totCount, i;
 
-  /* check if any points  */
+  /* Check if any points. */
   if ((fcu == NULL) || (fcu->bezt == NULL) || (fcu->totvert == 0) ||
       (!cleardefault && fcu->totvert == 1)) {
     return;
@@ -408,7 +408,7 @@ bool decimate_fcurve(bAnimListElem *ale, float remove_ratio, float error_sq_max)
 {
   FCurve *fcu = (FCurve *)ale->key_data;
 
-  /* Check if the curve actually has any points  */
+  /* Check if the curve actually has any points. */
   if (fcu == NULL || fcu->bezt == NULL || fcu->totvert == 0) {
     return true;
   }
@@ -588,7 +588,7 @@ typedef struct TempFrameValCache {
   float frame, val;
 } TempFrameValCache;
 
-/* Evaluates the curves between each selected keyframe on each frame, and keys the value  */
+/* Evaluates the curves between each selected keyframe on each frame, and keys the value. */
 void sample_fcurve(FCurve *fcu)
 {
   BezTriple *bezt, *start = NULL, *end = NULL;
@@ -600,7 +600,7 @@ void sample_fcurve(FCurve *fcu)
     return;
   }
 
-  /* find selected keyframes... once pair has been found, add keyframes  */
+  /* Find selected keyframes... once pair has been found, add keyframes. */
   for (i = 0, bezt = fcu->bezt; i < fcu->totvert; i++, bezt++) {
     /* check if selected, and which end this is */
     if (BEZT_ISSEL_ANY(bezt)) {
diff --git a/source/blender/editors/animation/keyframing.c b/source/blender/editors/animation/keyframing.c
index f229d48b4eb..e795d6fb774 100644
--- a/source/blender/editors/animation/keyframing.c
+++ b/source/blender/editors/animation/keyframing.c
@@ -952,7 +952,7 @@ static bool visualkey_can_use(PointerRNA *ptr, PropertyRNA *prop)
         case CONSTRAINT_TYPE_KINEMATIC:
           return true;
 
-        /* single-transform constraints  */
+        /* Single-transform constraints. */
         case CONSTRAINT_TYPE_TRACKTO:
           if (searchtype == VISUALKEY_ROT) {
             return true;
@@ -2817,7 +2817,7 @@ bool fcurve_frame_has_keyframe(FCurve *fcu, float frame, short filter)
     return false;
   }
 
-  /* we either include all regardless of muting, or only non-muted  */
+  /* We either include all regardless of muting, or only non-muted. */
   if ((filter & ANIMFILTER_KEYS_MUTED) || (fcu->flag & FCURVE_MUTED) == 0) {
     bool replace;
     int i = BKE_fcurve_bezt_binarysearch_index(fcu->bezt, frame, fcu->totvert, &replace);