From d1eefc421544e2ea632fb35cb6bcaade4c39ce6b Mon Sep 17 00:00:00 2001
From: Harley Acheson <harley.acheson@gmail.com>
Date: Mon, 19 Oct 2020 08:43:08 -0700
Subject: Spelling: Then Versus Than

Corrects incorrect usages of the words 'then' and 'than'.

Differential Revision: https://developer.blender.org/D9246

Reviewed by Campbell Barton
---
 source/blender/blenkernel/intern/armature.c              |  2 +-
 source/blender/blenkernel/intern/customdata.c            |  2 +-
 source/blender/blenkernel/intern/image_gen.c             |  2 +-
 source/blender/blenkernel/intern/lattice.c               |  2 +-
 source/blender/blenkernel/intern/mball.c                 |  2 +-
 source/blender/blenkernel/intern/mesh.c                  |  2 +-
 source/blender/blenkernel/intern/mesh_evaluate.c         |  2 +-
 source/blender/blenkernel/intern/modifier.c              |  4 ++--
 source/blender/blenkernel/intern/paint.c                 |  2 +-
 source/blender/blenkernel/intern/pointcache.c            |  2 +-
 source/blender/blenlib/BLI_scanfill.h                    |  2 +-
 source/blender/blenlib/intern/array_store.c              |  4 ++--
 source/blender/blenlib/intern/polyfill_2d.c              |  4 ++--
 source/blender/blenlib/intern/smallhash.c                |  2 +-
 source/blender/blenlib/intern/storage.c                  |  2 +-
 source/blender/blenlib/intern/winstuff_dir.c             |  2 +-
 source/blender/blenloader/intern/readfile.c              |  6 +++---
 source/blender/blenloader/intern/versioning_legacy.c     |  2 +-
 source/blender/bmesh/intern/bmesh_delete.c               |  2 +-
 source/blender/bmesh/intern/bmesh_error.h                |  2 +-
 source/blender/bmesh/intern/bmesh_inline.h               |  2 +-
 source/blender/bmesh/intern/bmesh_mesh.c                 |  2 +-
 source/blender/bmesh/intern/bmesh_mesh_convert.c         |  4 ++--
 source/blender/bmesh/intern/bmesh_mods.c                 |  4 ++--
 source/blender/bmesh/intern/bmesh_opdefines.c            |  4 ++--
 source/blender/bmesh/intern/bmesh_polygon_edgenet.c      |  2 +-
 source/blender/bmesh/intern/bmesh_query.c                |  6 +++---
 source/blender/bmesh/intern/bmesh_walkers.c              |  2 +-
 source/blender/bmesh/intern/bmesh_walkers_impl.c         |  2 +-
 source/blender/bmesh/operators/bmo_connect_pair.c        |  2 +-
 source/blender/bmesh/operators/bmo_create.c              |  2 +-
 source/blender/bmesh/operators/bmo_fill_grid.c           |  2 +-
 source/blender/bmesh/tools/bmesh_decimate_collapse.c     |  2 +-
 source/blender/draw/intern/draw_cache_extract_mesh.c     |  2 +-
 source/blender/draw/intern/shaders/common_fxaa_lib.glsl  |  2 +-
 source/blender/editors/interface/interface.c             |  2 +-
 source/blender/editors/interface/interface_intern.h      |  2 +-
 .../editors/interface/interface_region_color_picker.c    |  2 +-
 source/blender/editors/mask/mask_add.c                   |  2 +-
 source/blender/editors/mesh/editmesh_inset.c             |  2 +-
 source/blender/editors/mesh/editmesh_knife.c             |  2 +-
 source/blender/editors/mesh/editmesh_rip.c               |  8 ++++----
 source/blender/editors/mesh/editmesh_tools.c             |  4 ++--
 source/blender/editors/physics/particle_edit.c           |  2 +-
 source/blender/editors/sculpt_paint/paint_image_proj.c   | 16 ++++++++--------
 source/blender/editors/sculpt_paint/paint_stroke.c       |  2 +-
 source/blender/editors/space_file/filesel.c              |  2 +-
 source/blender/editors/space_image/image_ops.c           |  2 +-
 source/blender/editors/space_info/textview.c             |  2 +-
 source/blender/editors/space_node/node_view.c            |  2 +-
 .../blender/editors/space_sequencer/sequencer_scopes.c   |  2 +-
 source/blender/editors/space_view3d/view3d_gizmo_ruler.c |  2 +-
 source/blender/editors/space_view3d/view3d_view.c        |  2 +-
 .../blender/editors/transform/transform_convert_mesh.c   |  2 +-
 source/blender/editors/transform/transform_input.c       |  2 +-
 source/blender/imbuf/IMB_thumbs.h                        |  2 +-
 source/blender/imbuf/intern/jp2.c                        |  2 +-
 source/blender/makesdna/DNA_key_types.h                  |  2 +-
 source/blender/makesrna/intern/makesrna.c                |  4 ++--
 source/blender/makesrna/intern/rna_access.c              |  2 +-
 source/blender/makesrna/intern/rna_armature.c            |  2 +-
 source/blender/makesrna/intern/rna_modifier.c            |  2 +-
 source/blender/makesrna/intern/rna_pose.c                |  2 +-
 source/blender/modifiers/intern/MOD_screw.c              |  2 +-
 source/blender/python/intern/bpy_rna.c                   |  4 ++--
 65 files changed, 88 insertions(+), 88 deletions(-)

(limited to 'source')

diff --git a/source/blender/blenkernel/intern/armature.c b/source/blender/blenkernel/intern/armature.c
index 8c4cad8b3ba..e0b12228162 100644
--- a/source/blender/blenkernel/intern/armature.c
+++ b/source/blender/blenkernel/intern/armature.c
@@ -1884,7 +1884,7 @@ void BKE_armature_mat_pose_to_bone_ex(struct Depsgraph *depsgraph,
   BKE_pose_where_is_bone(depsgraph, NULL, ob, &work_pchan, 0.0f, false);
 
   /* find the matrix, need to remove the bone transforms first so this is
-   * calculated as a matrix to set rather then a difference ontop of what's
+   * calculated as a matrix to set rather than a difference ontop of what's
    * already there. */
   unit_m4(outmat);
   BKE_pchan_apply_mat4(&work_pchan, outmat, false);
diff --git a/source/blender/blenkernel/intern/customdata.c b/source/blender/blenkernel/intern/customdata.c
index 2b2b1fb70ce..466a0115a9d 100644
--- a/source/blender/blenkernel/intern/customdata.c
+++ b/source/blender/blenkernel/intern/customdata.c
@@ -3603,7 +3603,7 @@ void CustomData_bmesh_free_block(CustomData *data, void **block)
 }
 
 /**
- * Same as #CustomData_bmesh_free_block but zero the memory rather then freeing.
+ * Same as #CustomData_bmesh_free_block but zero the memory rather than freeing.
  */
 void CustomData_bmesh_free_block_data(CustomData *data, void *block)
 {
diff --git a/source/blender/blenkernel/intern/image_gen.c b/source/blender/blenkernel/intern/image_gen.c
index bb2c086f02c..877747a257e 100644
--- a/source/blender/blenkernel/intern/image_gen.c
+++ b/source/blender/blenkernel/intern/image_gen.c
@@ -240,7 +240,7 @@ static void checker_board_color_fill(
   }
 
   for (y = offset; y < height + offset; y++) {
-    /* Use a number lower then 1.0 else its too bright. */
+    /* Use a number lower than 1.0 else its too bright. */
     hsv[2] = 0.1 + (y * (0.4 / total_height));
 
     for (x = 0; x < width; x++) {
diff --git a/source/blender/blenkernel/intern/lattice.c b/source/blender/blenkernel/intern/lattice.c
index fc0e337ec30..c0eb6b4b134 100644
--- a/source/blender/blenkernel/intern/lattice.c
+++ b/source/blender/blenkernel/intern/lattice.c
@@ -311,7 +311,7 @@ void BKE_lattice_resize(Lattice *lt, int uNew, int vNew, int wNew, Object *ltOb)
   calc_lat_fudu(lt->flag, vNew, &fv, &dv);
   calc_lat_fudu(lt->flag, wNew, &fw, &dw);
 
-  /* If old size is different then resolution changed in interface,
+  /* If old size is different than resolution changed in interface,
    * try to do clever reinit of points. Pretty simply idea, we just
    * deform new verts by old lattice, but scaling them to match old
    * size first.
diff --git a/source/blender/blenkernel/intern/mball.c b/source/blender/blenkernel/intern/mball.c
index e60a5f7b616..d2bacb7d3bc 100644
--- a/source/blender/blenkernel/intern/mball.c
+++ b/source/blender/blenkernel/intern/mball.c
@@ -378,7 +378,7 @@ float *BKE_mball_make_orco(Object *ob, ListBase *dispbase)
  *
  * This is a can of worms.
  *
- * This really needs a rewrite/refactor its totally broken in anything other then basic cases
+ * This really needs a rewrite/refactor its totally broken in anything other than basic cases
  * Multiple Scenes + Set Scenes & mixing meta-ball basis _should_ work but fails to update the
  * depsgraph on rename and linking into scenes or removal of basis meta-ball.
  * So take care when changing this code.
diff --git a/source/blender/blenkernel/intern/mesh.c b/source/blender/blenkernel/intern/mesh.c
index 9765cd7fa1e..6ea83cf4330 100644
--- a/source/blender/blenkernel/intern/mesh.c
+++ b/source/blender/blenkernel/intern/mesh.c
@@ -671,7 +671,7 @@ static void mesh_ensure_tessellation_customdata(Mesh *me)
       /* TODO - add some --debug-mesh option */
       if (G.debug & G_DEBUG) {
         /* note: this warning may be un-called for if we are initializing the mesh for the
-         * first time from bmesh, rather then giving a warning about this we could be smarter
+         * first time from bmesh, rather than giving a warning about this we could be smarter
          * and check if there was any data to begin with, for now just print the warning with
          * some info to help troubleshoot what's going on - campbell */
         printf(
diff --git a/source/blender/blenkernel/intern/mesh_evaluate.c b/source/blender/blenkernel/intern/mesh_evaluate.c
index 0c83820bce9..0aa8f7ca260 100644
--- a/source/blender/blenkernel/intern/mesh_evaluate.c
+++ b/source/blender/blenkernel/intern/mesh_evaluate.c
@@ -2207,7 +2207,7 @@ void BKE_mesh_calc_poly_normal(const MPoly *mpoly,
     r_no[2] = 1.0;
   }
 }
-/* duplicate of function above _but_ takes coords rather then mverts */
+/* duplicate of function above _but_ takes coords rather than mverts */
 static void mesh_calc_ngon_normal_coords(const MPoly *mpoly,
                                          const MLoop *loopstart,
                                          const float (*vertex_coords)[3],
diff --git a/source/blender/blenkernel/intern/modifier.c b/source/blender/blenkernel/intern/modifier.c
index 6ace8f87994..0aa85f0ad50 100644
--- a/source/blender/blenkernel/intern/modifier.c
+++ b/source/blender/blenkernel/intern/modifier.c
@@ -926,7 +926,7 @@ const char *BKE_modifier_path_relbase(Main *bmain, Object *ob)
     return ID_BLEND_PATH(bmain, &ob->id);
   }
 
-  /* last resort, better then using "" which resolves to the current
+  /* last resort, better than using "" which resolves to the current
    * working directory */
   return BKE_tempdir_session();
 }
@@ -937,7 +937,7 @@ const char *BKE_modifier_path_relbase_from_global(Object *ob)
     return ID_BLEND_PATH_FROM_GLOBAL(&ob->id);
   }
 
-  /* last resort, better then using "" which resolves to the current
+  /* last resort, better than using "" which resolves to the current
    * working directory */
   return BKE_tempdir_session();
 }
diff --git a/source/blender/blenkernel/intern/paint.c b/source/blender/blenkernel/intern/paint.c
index 88415140a5b..42749a93988 100644
--- a/source/blender/blenkernel/intern/paint.c
+++ b/source/blender/blenkernel/intern/paint.c
@@ -1130,7 +1130,7 @@ void BKE_paint_free(Paint *paint)
 }
 
 /* called when copying scene settings, so even if 'src' and 'tar' are the same
- * still do a id_us_plus(), rather then if we were copying between 2 existing
+ * still do a id_us_plus(), rather than if we were copying between 2 existing
  * scenes where a matching value should decrease the existing user count as
  * with paint_brush_set() */
 void BKE_paint_copy(Paint *src, Paint *tar, const int flag)
diff --git a/source/blender/blenkernel/intern/pointcache.c b/source/blender/blenkernel/intern/pointcache.c
index 9d9e0a9c9cb..7c8527a8702 100644
--- a/source/blender/blenkernel/intern/pointcache.c
+++ b/source/blender/blenkernel/intern/pointcache.c
@@ -1348,7 +1348,7 @@ static int ptcache_path(PTCacheID *pid, char *filename)
     return BLI_path_slash_ensure(filename); /* new strlen() */
   }
 
-  /* use the temp path. this is weak but better then not using point cache at all */
+  /* use the temp path. this is weak but better than not using point cache at all */
   /* temporary directory is assumed to exist and ALWAYS has a trailing slash */
   BLI_snprintf(filename, MAX_PTCACHE_PATH, "%s" PTCACHE_PATH, BKE_tempdir_session());
 
diff --git a/source/blender/blenlib/BLI_scanfill.h b/source/blender/blenlib/BLI_scanfill.h
index cf74bc14cac..fa57f0486e5 100644
--- a/source/blender/blenlib/BLI_scanfill.h
+++ b/source/blender/blenlib/BLI_scanfill.h
@@ -106,7 +106,7 @@ enum {
   BLI_SCANFILL_CALC_POLYS = (1 << 2),
 
   /* note: This flag removes checks for overlapping polygons.
-   * when this flag is set, we'll never get back more faces then (totvert - 2) */
+   * when this flag is set, we'll never get back more faces than (totvert - 2) */
   BLI_SCANFILL_CALC_HOLES = (1 << 3),
 
   /* checks valid edge users - can skip for simple loops */
diff --git a/source/blender/blenlib/intern/array_store.c b/source/blender/blenlib/intern/array_store.c
index 387f9837159..a6a0c21b104 100644
--- a/source/blender/blenlib/intern/array_store.c
+++ b/source/blender/blenlib/intern/array_store.c
@@ -189,7 +189,7 @@
  */
 #  define BCHUNK_SIZE_MIN_DIV 8
 
-/* Disallow chunks bigger then the regular chunk size scaled by this value
+/* Disallow chunks bigger than the regular chunk size scaled by this value
  * note: must be at least 2!
  * however, this code runs wont run in tests unless its ~1.1 ugh.
  * so lower only to check splitting works.
@@ -523,7 +523,7 @@ static void bchunk_list_calc_trim_len(const BArrayInfo *info,
 
 #ifdef USE_MERGE_CHUNKS
   /* avoid creating too-small chunks
-   * more efficient then merging after */
+   * more efficient than merging after */
   if (data_len > info->chunk_byte_size) {
     data_last_chunk_len = (data_trim_len % info->chunk_byte_size);
     data_trim_len = data_trim_len - data_last_chunk_len;
diff --git a/source/blender/blenlib/intern/polyfill_2d.c b/source/blender/blenlib/intern/polyfill_2d.c
index eb7e5ca6658..fe9fa514e08 100644
--- a/source/blender/blenlib/intern/polyfill_2d.c
+++ b/source/blender/blenlib/intern/polyfill_2d.c
@@ -85,7 +85,7 @@ typedef signed char eSign;
  * This is a single purpose KDTree based on BLI_kdtree with some modifications
  * to better suit polyfill2d.
  * - #KDTreeNode2D is kept small (only 16 bytes),
- *   by not storing coords in the nodes and using index values rather then pointers
+ *   by not storing coords in the nodes and using index values rather than pointers
  *   to reference neg/pos values.
  *
  * - #kdtree2d_isect_tri is the only function currently used.
@@ -719,7 +719,7 @@ static bool pf_ear_tip_check(PolyFill *pf, PolyIndex *pi_ear_tip)
        * the area sign will be positive if the point is strictly inside.
        * It will be 0 on the edge, which we want to include as well. */
 
-      /* note: check (v3, v1) first since it fails _far_ more often then the other 2 checks
+      /* note: check (v3, v1) first since it fails _far_ more often than the other 2 checks
        * (those fail equally).
        * It's logical - the chance is low that points exist on the
        * same side as the ear we're clipping off. */
diff --git a/source/blender/blenlib/intern/smallhash.c b/source/blender/blenlib/intern/smallhash.c
index 4a2915ef24e..a091b41af23 100644
--- a/source/blender/blenlib/intern/smallhash.c
+++ b/source/blender/blenlib/intern/smallhash.c
@@ -24,7 +24,7 @@
  * fixed size hash tables but falls back to heap memory once the stack limits reached
  * (#SMSTACKSIZE).
  *
- * based on a doubling hashing approach (non-chaining) which uses more buckets then entries
+ * based on a doubling hashing approach (non-chaining) which uses more buckets than entries
  * stepping over buckets when two keys share the same hash so any key can find a free bucket.
  *
  * See: https://en.wikipedia.org/wiki/Double_hashing
diff --git a/source/blender/blenlib/intern/storage.c b/source/blender/blenlib/intern/storage.c
index 628bdc1a31f..d1e133318ba 100644
--- a/source/blender/blenlib/intern/storage.c
+++ b/source/blender/blenlib/intern/storage.c
@@ -636,7 +636,7 @@ void BLI_file_free_lines(LinkNode *lines)
   BLI_linklist_freeN(lines);
 }
 
-/** is file1 older then file2 */
+/** is file1 older than file2 */
 bool BLI_file_older(const char *file1, const char *file2)
 {
 #ifdef WIN32
diff --git a/source/blender/blenlib/intern/winstuff_dir.c b/source/blender/blenlib/intern/winstuff_dir.c
index 4db385bd8aa..2dc41bfc54c 100644
--- a/source/blender/blenlib/intern/winstuff_dir.c
+++ b/source/blender/blenlib/intern/winstuff_dir.c
@@ -24,7 +24,7 @@
 
 #ifdef WIN32
 
-/* standalone for inclusion in binaries other then blender */
+/* standalone for inclusion in binaries other than blender */
 #  ifdef USE_STANDALONE
 #    define MEM_mallocN(size, str) ((void)str, malloc(size))
 #    define MEM_callocN(size, str) ((void)str, calloc(size, 1))
diff --git a/source/blender/blenloader/intern/readfile.c b/source/blender/blenloader/intern/readfile.c
index 4955fbb8300..c5d805e6448 100644
--- a/source/blender/blenloader/intern/readfile.c
+++ b/source/blender/blenloader/intern/readfile.c
@@ -294,7 +294,7 @@ typedef struct BHeadN {
  * This function ensures that reports are printed,
  * in the case of library linking errors this is important!
  *
- * bit kludge but better then doubling up on prints,
+ * bit kludge but better than doubling up on prints,
  * we could alternatively have a versions of a report function which forces printing - campbell
  */
 void blo_reportf_wrap(ReportList *reports, ReportType type, const char *format, ...)
@@ -1233,7 +1233,7 @@ static ssize_t fd_read_from_memory(FileData *filedata,
                                    size_t size,
                                    bool *UNUSED(r_is_memchunck_identical))
 {
-  /* don't read more bytes then there are available in the buffer */
+  /* don't read more bytes than there are available in the buffer */
   ssize_t readsize = (ssize_t)MIN2(size, filedata->buffersize - (size_t)filedata->file_offset);
 
   memcpy(buffer, filedata->buffer + filedata->file_offset, (size_t)readsize);
@@ -3289,7 +3289,7 @@ static void lib_link_object(BlendLibReader *reader, Object *ob)
       /* we can't call #BKE_pose_free() here because of library linking
        * freeing will recurse down into every pose constraints ID pointers
        * which are not always valid, so for now free directly and suffer
-       * some leaked memory rather then crashing immediately
+       * some leaked memory rather than crashing immediately
        * while bad this _is_ an exceptional case - campbell */
 #if 0
       BKE_pose_free(ob->pose);
diff --git a/source/blender/blenloader/intern/versioning_legacy.c b/source/blender/blenloader/intern/versioning_legacy.c
index 666806479b2..4acf98cc58b 100644
--- a/source/blender/blenloader/intern/versioning_legacy.c
+++ b/source/blender/blenloader/intern/versioning_legacy.c
@@ -2178,7 +2178,7 @@ void blo_do_versions_pre250(FileData *fd, Library *lib, Main *bmain)
   }
 
   if (!MAIN_VERSION_ATLEAST(bmain, 245, 5)) {
-    /* foreground color needs to be something other then black */
+    /* foreground color needs to be something other than black */
     Scene *sce;
     for (sce = bmain->scenes.first; sce; sce = sce->id.next) {
       sce->r.fg_stamp[0] = sce->r.fg_stamp[1] = sce->r.fg_stamp[2] = 0.8f;
diff --git a/source/blender/bmesh/intern/bmesh_delete.c b/source/blender/bmesh/intern/bmesh_delete.c
index 4e2c81c80c3..b5ff24f6d61 100644
--- a/source/blender/bmesh/intern/bmesh_delete.c
+++ b/source/blender/bmesh/intern/bmesh_delete.c
@@ -207,7 +207,7 @@ void BMO_mesh_delete_oflag_context(BMesh *bm, const short oflag, const int type)
 /* BM functions
  *
  * note! this is just a duplicate of the code above (bad!)
- * but for now keep in sync, its less hassle then having to create bmesh operator flags,
+ * but for now keep in sync, its less hassle than having to create bmesh operator flags,
  * each time we need to remove some geometry.
  */
 
diff --git a/source/blender/bmesh/intern/bmesh_error.h b/source/blender/bmesh/intern/bmesh_error.h
index 2307377fd71..1837ad8dd71 100644
--- a/source/blender/bmesh/intern/bmesh_error.h
+++ b/source/blender/bmesh/intern/bmesh_error.h
@@ -71,7 +71,7 @@ enum {
 #  define _BMESH_DUMMY_ABORT() (void)0
 #endif
 
-/* this is meant to be higher level then BLI_assert(),
+/* this is meant to be higher level than BLI_assert(),
  * its enabled even when in Release mode*/
 #define BMESH_ASSERT(a) \
   (void)((!(a)) ? ((fprintf(stderr, \
diff --git a/source/blender/bmesh/intern/bmesh_inline.h b/source/blender/bmesh/intern/bmesh_inline.h
index 203f44a540d..2888d7e7526 100644
--- a/source/blender/bmesh/intern/bmesh_inline.h
+++ b/source/blender/bmesh/intern/bmesh_inline.h
@@ -100,7 +100,7 @@ BLI_INLINE void _bm_elem_flag_merge_into(BMHeader *head,
  * the mesh structure.
  *
  * To set the elements to valid indices 'BM_mesh_elem_index_ensure' should be used
- * rather then adding inline loops, however there are cases where we still
+ * rather than adding inline loops, however there are cases where we still
  * set the index directly
  *
  * In an attempt to manage this,
diff --git a/source/blender/bmesh/intern/bmesh_mesh.c b/source/blender/bmesh/intern/bmesh_mesh.c
index 8eed3141c7f..1393edfe8a2 100644
--- a/source/blender/bmesh/intern/bmesh_mesh.c
+++ b/source/blender/bmesh/intern/bmesh_mesh.c
@@ -2956,7 +2956,7 @@ void BM_mesh_rebuild(BMesh *bm,
 #undef REMAP_EDGE
 
   /* Cleanup, re-use local tables if the current mesh had tables allocated.
-   * could use irrespective but it may use more memory then the caller wants
+   * could use irrespective but it may use more memory than the caller wants
    * (and not be needed). */
   if (remap & BM_VERT) {
     if (bm->vtable) {
diff --git a/source/blender/bmesh/intern/bmesh_mesh_convert.c b/source/blender/bmesh/intern/bmesh_mesh_convert.c
index 90b0cca4b9c..c30f71e029f 100644
--- a/source/blender/bmesh/intern/bmesh_mesh_convert.c
+++ b/source/blender/bmesh/intern/bmesh_mesh_convert.c
@@ -22,7 +22,7 @@
  * \section bm_mesh_conv_shapekey Converting Shape Keys
  *
  * When converting to/from a Mesh/BMesh you can optionally pass a shape key to edit.
- * This has the effect of editing the shape key-block rather then the original mesh vertex coords
+ * This has the effect of editing the shape key-block rather than the original mesh vertex coords
  * (although additional geometry is still allowed and uses fallback locations on converting).
  *
  * While this works for any mesh/bmesh this is made use of by entering and exiting edit-mode.
@@ -1096,7 +1096,7 @@ void BM_mesh_bm_to_me_for_eval(BMesh *bm, Mesh *me, const CustomData_MeshMasks *
     med->flag = BM_edge_flag_to_mflag(eed);
 
     /* Handle this differently to editmode switching,
-     * only enable draw for single user edges rather then calculating angle. */
+     * only enable draw for single user edges rather than calculating angle. */
     if ((med->flag & ME_EDGEDRAW) == 0) {
       if (eed->l && eed->l == eed->l->radial_next) {
         med->flag |= ME_EDGEDRAW;
diff --git a/source/blender/bmesh/intern/bmesh_mods.c b/source/blender/bmesh/intern/bmesh_mods.c
index d76a6eb0824..4c72b802396 100644
--- a/source/blender/bmesh/intern/bmesh_mods.c
+++ b/source/blender/bmesh/intern/bmesh_mods.c
@@ -53,7 +53,7 @@
  *     Before:  +----v----+      After: +---------+
  * </pre>
  *
- * \note dissolves vert, in more situations then BM_disk_dissolve
+ * \note dissolves vert, in more situations than BM_disk_dissolve
  * (e.g. if the vert is part of a wire edge, etc).
  */
 bool BM_vert_dissolve(BMesh *bm, BMVert *v)
@@ -1052,7 +1052,7 @@ BMEdge *BM_edge_rotate(BMesh *bm, BMEdge *e, const bool ccw, const short check_f
   if ((l1 = BM_face_vert_share_loop(f, v1)) && (l2 = BM_face_vert_share_loop(f, v2)) &&
       BM_face_split(bm, f, l1, l2, NULL, NULL, true)) {
     /* we should really be able to know the faces some other way,
-     * rather then fetching them back from the edge, but this is predictable
+     * rather than fetching them back from the edge, but this is predictable
      * where using the return values from face split isn't. - campbell */
     BMFace *fa, *fb;
     if (BM_edge_face_pair(e_new, &fa, &fb)) {
diff --git a/source/blender/bmesh/intern/bmesh_opdefines.c b/source/blender/bmesh/intern/bmesh_opdefines.c
index 4117ad67dd3..ea64c9415b9 100644
--- a/source/blender/bmesh/intern/bmesh_opdefines.c
+++ b/source/blender/bmesh/intern/bmesh_opdefines.c
@@ -57,7 +57,7 @@
 /* The formatting of these bmesh operators is parsed by
  * 'doc/python_api/rst_from_bmesh_opdefines.py'
  * for use in python docs, so reStructuredText may be used
- * rather then doxygen syntax.
+ * rather than doxygen syntax.
  *
  * template (py quotes used because nested comments don't work
  * on all C compilers):
@@ -366,7 +366,7 @@ static BMOpDefine bmo_find_doubles_def = {
 /*
  * Remove Doubles.
  *
- * Finds groups of vertices closer then dist and merges them together,
+ * Finds groups of vertices closer than dist and merges them together,
  * using the weld verts bmop.
  */
 static BMOpDefine bmo_remove_doubles_def = {
diff --git a/source/blender/bmesh/intern/bmesh_polygon_edgenet.c b/source/blender/bmesh/intern/bmesh_polygon_edgenet.c
index 54dc25ebeba..ad153f01cd4 100644
--- a/source/blender/bmesh/intern/bmesh_polygon_edgenet.c
+++ b/source/blender/bmesh/intern/bmesh_polygon_edgenet.c
@@ -1667,7 +1667,7 @@ finally:
     } while ((tvp = tvp->next));
 
     /* Remove edges which have become doubles since splicing vertices together,
-     * its less trouble then detecting future-doubles on edge-creation. */
+     * its less trouble than detecting future-doubles on edge-creation. */
     for (uint i = edge_net_init_len; i < edge_net_new_len; i++) {
       while (BM_edge_find_double(edge_net_new[i])) {
         BM_edge_kill(bm, edge_net_new[i]);
diff --git a/source/blender/bmesh/intern/bmesh_query.c b/source/blender/bmesh/intern/bmesh_query.c
index e102c1fe41c..791fa64ae7d 100644
--- a/source/blender/bmesh/intern/bmesh_query.c
+++ b/source/blender/bmesh/intern/bmesh_query.c
@@ -360,7 +360,7 @@ float BM_loop_point_side_of_edge_test(const BMLoop *l, const float co[3])
  * Given 2 verts,
  * find a face they share that has the lowest angle across these verts and give back both loops.
  *
- * This can be better then #BM_vert_pair_share_face_by_len
+ * This can be better than #BM_vert_pair_share_face_by_len
  * because concave splits are ranked lowest.
  */
 BMFace *BM_vert_pair_share_face_by_angle(
@@ -1380,7 +1380,7 @@ BMVert *BM_edge_share_vert(BMEdge *e1, BMEdge *e2)
  *
  * Finds the loop used which uses \a  in face loop \a l
  *
- * \note this function takes a loop rather then an edge
+ * \note this function takes a loop rather than an edge
  * so we can select the face that the loop should be from.
  */
 BMLoop *BM_edge_vert_share_loop(BMLoop *l, BMVert *v)
@@ -2176,7 +2176,7 @@ bool BM_face_exists_multi(BMVert **varr, BMEdge **earr, int len)
   int i;
 
   for (i = 0; i < len; i++) {
-    /* save some time by looping over edge faces rather then vert faces
+    /* save some time by looping over edge faces rather than vert faces
      * will still loop over some faces twice but not as many */
     BM_ITER_ELEM (f, &fiter, earr[i], BM_FACES_OF_EDGE) {
       BM_elem_flag_disable(f, BM_ELEM_INTERNAL_TAG);
diff --git a/source/blender/bmesh/intern/bmesh_walkers.c b/source/blender/bmesh/intern/bmesh_walkers.c
index da1d3df2046..8bdf205babd 100644
--- a/source/blender/bmesh/intern/bmesh_walkers.c
+++ b/source/blender/bmesh/intern/bmesh_walkers.c
@@ -46,7 +46,7 @@
  *
  * - Walkers use tool flags, not header flags.
  * - Walkers now use ghash for storing visited elements,
- *   rather then stealing flags.  ghash can be rewritten
+ *   rather than stealing flags.  ghash can be rewritten
  *   to be faster if necessary, in the far future :) .
  * - tools should ALWAYS have necessary error handling
  *   for if walkers fail.
diff --git a/source/blender/bmesh/intern/bmesh_walkers_impl.c b/source/blender/bmesh/intern/bmesh_walkers_impl.c
index 88ddac425ee..99be57b7b53 100644
--- a/source/blender/bmesh/intern/bmesh_walkers_impl.c
+++ b/source/blender/bmesh/intern/bmesh_walkers_impl.c
@@ -636,7 +636,7 @@ static void *bmw_ConnectedVertexWalker_step(BMWalker *walker)
  *
  * \note that this doesn't work on non-manifold geometry.
  * it might be better to rewrite this to extract
- * boundary info from the island walker, rather then directly walking
+ * boundary info from the island walker, rather than directly walking
  * over the boundary.  raises an error if it encounters non-manifold geometry.
  *
  * \todo Add restriction flag/callback for wire edges.
diff --git a/source/blender/bmesh/operators/bmo_connect_pair.c b/source/blender/bmesh/operators/bmo_connect_pair.c
index 087cd2cd01f..1c861df0150 100644
--- a/source/blender/bmesh/operators/bmo_connect_pair.c
+++ b/source/blender/bmesh/operators/bmo_connect_pair.c
@@ -44,7 +44,7 @@
  *     this avoids going into an eternal loop if there are many possible branches (see T45582).
  *   - when running into a branch, create a new #PathLinkState state and add to the heap.
  *   - when the target is reached,
- *     finish - since none of the other paths can be shorter then the one just found.
+ *     finish - since none of the other paths can be shorter than the one just found.
  * - if the connection can't be found - fail.
  * - with the connection found, split all edges tagging verts
  *   (or tag verts that sit on the intersection).
diff --git a/source/blender/bmesh/operators/bmo_create.c b/source/blender/bmesh/operators/bmo_create.c
index 0789000969e..f38e2e08f33 100644
--- a/source/blender/bmesh/operators/bmo_create.c
+++ b/source/blender/bmesh/operators/bmo_create.c
@@ -228,7 +228,7 @@ void bmo_contextual_create_exec(BMesh *bm, BMOperator *op)
 
     /* tricky feature for making a line/edge from selection history...
      *
-     * Rather then do nothing, when 5+ verts are selected, check if they are in our history,
+     * Rather than do nothing, when 5+ verts are selected, check if they are in our history,
      * when this is so, we can make edges from them, but _not_ a face,
      * if it is the intention to make a face the user can just hit F again
      * since there will be edges next time around.
diff --git a/source/blender/bmesh/operators/bmo_fill_grid.c b/source/blender/bmesh/operators/bmo_fill_grid.c
index 6986655c6de..c97e855aa67 100644
--- a/source/blender/bmesh/operators/bmo_fill_grid.c
+++ b/source/blender/bmesh/operators/bmo_fill_grid.c
@@ -126,7 +126,7 @@ static void bm_loop_pair_from_verts(BMVert *v_a, BMVert *v_b, BMLoop *l_pair[2])
 /**
  * Copy loop pair from one side to the other if either is missing,
  * this simplifies interpolation code so we only need to check if x/y are missing,
- * rather then checking each loop.
+ * rather than checking each loop.
  */
 static void bm_loop_pair_test_copy(BMLoop *l_pair_a[2], BMLoop *l_pair_b[2])
 {
diff --git a/source/blender/bmesh/tools/bmesh_decimate_collapse.c b/source/blender/bmesh/tools/bmesh_decimate_collapse.c
index 3ef5b42b2cd..60c49587387 100644
--- a/source/blender/bmesh/tools/bmesh_decimate_collapse.c
+++ b/source/blender/bmesh/tools/bmesh_decimate_collapse.c
@@ -202,7 +202,7 @@ static bool bm_edge_collapse_is_degenerate_flip(BMEdge *e, const float optimize_
         normal_tri_v3(cross_exist, v->co, co_prev, co_next);
         normal_tri_v3(cross_optim, optimize_co, co_prev, co_next);
 
-        /* use a small value rather then zero so we don't flip a face in multiple steps
+        /* use a small value rather than zero so we don't flip a face in multiple steps
          * (first making it zero area, then flipping again) */
         if (dot_v3v3(cross_exist, cross_optim) <= FLT_EPSILON) {
           // printf("no flip\n");
diff --git a/source/blender/draw/intern/draw_cache_extract_mesh.c b/source/blender/draw/intern/draw_cache_extract_mesh.c
index c1f1c8b77e3..56633a6fecc 100644
--- a/source/blender/draw/intern/draw_cache_extract_mesh.c
+++ b/source/blender/draw/intern/draw_cache_extract_mesh.c
@@ -3327,7 +3327,7 @@ static void mesh_render_data_edge_flag(const MeshRenderData *mr, BMEdge *eed, Ed
    * specular highlights make it hard to see T55456#510873.
    *
    * This isn't ideal since it can't be used when mixing edge/face modes
-   * but it's still better then not being able to see the active face. */
+   * but it's still better than not being able to see the active face. */
   if (is_face_only_select_mode) {
     if (mr->efa_act != NULL) {
       if (BM_edge_in_face(eed, mr->efa_act)) {
diff --git a/source/blender/draw/intern/shaders/common_fxaa_lib.glsl b/source/blender/draw/intern/shaders/common_fxaa_lib.glsl
index 69af2d09af4..a87b4558227 100644
--- a/source/blender/draw/intern/shaders/common_fxaa_lib.glsl
+++ b/source/blender/draw/intern/shaders/common_fxaa_lib.glsl
@@ -68,7 +68,7 @@ NOTE the other tuning knobs are now in the shader function inputs!
  *
  * NOTES
  * -----------------------------------------------------------------------
- * 12 = slightly faster then FXAA 3.9 and higher edge quality (default)
+ * 12 = slightly faster than FXAA 3.9 and higher edge quality (default)
  * 13 = about same speed as FXAA 3.9 and better than 12
  * 23 = closest to FXAA 3.9 visually and performance wise
  *  _ = the lowest digit is directly related to performance
diff --git a/source/blender/editors/interface/interface.c b/source/blender/editors/interface/interface.c
index 5005a41ada7..afc9d9884f3 100644
--- a/source/blender/editors/interface/interface.c
+++ b/source/blender/editors/interface/interface.c
@@ -4384,7 +4384,7 @@ static void ui_but_submenu_enable(uiBlock *block, uiBut *but)
  * avoid an extra lookup on 'prop' when its already available.
  *
  * When this kind of change won't disrupt branches, best look into making more
- * of our UI functions take prop rather then propname.
+ * of our UI functions take prop rather than propname.
  */
 static uiBut *ui_def_but_rna(uiBlock *block,
                              int type,
diff --git a/source/blender/editors/interface/interface_intern.h b/source/blender/editors/interface/interface_intern.h
index 5da3d9528f8..01eb8f95d18 100644
--- a/source/blender/editors/interface/interface_intern.h
+++ b/source/blender/editors/interface/interface_intern.h
@@ -531,7 +531,7 @@ struct uiBlock {
   void *evil_C;
 
   /** unit system, used a lot for numeric buttons so include here
-   * rather then fetching through the scene every time. */
+   * rather than fetching through the scene every time. */
   struct UnitSettings *unit;
   /** \note only accessed by color picker templates. */
   ColorPickerData color_pickers;
diff --git a/source/blender/editors/interface/interface_region_color_picker.c b/source/blender/editors/interface/interface_region_color_picker.c
index 61349672f1c..f9a9e7182d2 100644
--- a/source/blender/editors/interface/interface_region_color_picker.c
+++ b/source/blender/editors/interface/interface_region_color_picker.c
@@ -141,7 +141,7 @@ bool ui_but_is_color_gamma(uiBut *but)
 void ui_scene_linear_to_color_picker_space(uiBut *but, float rgb[3])
 {
   /* Map to color picking space for HSV values and HSV cube/circle,
-   * assuming it is more perceptually linear then the scene linear
+   * assuming it is more perceptually linear than the scene linear
    * space for intuitive color picking. */
   if (!ui_but_is_color_gamma(but)) {
     IMB_colormanagement_scene_linear_to_color_picking_v3(rgb);
diff --git a/source/blender/editors/mask/mask_add.c b/source/blender/editors/mask/mask_add.c
index 770a53d8691..62f46c93bc7 100644
--- a/source/blender/editors/mask/mask_add.c
+++ b/source/blender/editors/mask/mask_add.c
@@ -311,7 +311,7 @@ static bool add_vertex_extrude(const bContext *C,
   float tangent_point[2];
   float tangent_co[2];
   bool do_cyclic_correct = false;
-  bool do_prev; /* use prev point rather then next?? */
+  bool do_prev; /* use prev point rather than next?? */
 
   if (!mask_layer) {
     return false;
diff --git a/source/blender/editors/mesh/editmesh_inset.c b/source/blender/editors/mesh/editmesh_inset.c
index 8d9837f123a..c4a44aa4a90 100644
--- a/source/blender/editors/mesh/editmesh_inset.c
+++ b/source/blender/editors/mesh/editmesh_inset.c
@@ -602,7 +602,7 @@ void MESH_OT_inset(wmOperatorType *ot)
 
   prop = RNA_def_float_distance(
       ot->srna, "thickness", 0.0f, 0.0f, 1e12f, "Thickness", "", 0.0f, 10.0f);
-  /* use 1 rather then 10 for max else dragging the button moves too far */
+  /* use 1 rather than 10 for max else dragging the button moves too far */
   RNA_def_property_ui_range(prop, 0.0, 1.0, 0.01, 4);
 
   prop = RNA_def_float_distance(
diff --git a/source/blender/editors/mesh/editmesh_knife.c b/source/blender/editors/mesh/editmesh_knife.c
index 90ef42c6f48..dde422074a7 100644
--- a/source/blender/editors/mesh/editmesh_knife.c
+++ b/source/blender/editors/mesh/editmesh_knife.c
@@ -1600,7 +1600,7 @@ static void knife_find_line_hits(KnifeTool_OpData *kcd)
    * can end up being ~2000 units apart with an orthogonal perspective.
    *
    * (from ED_view3d_win_to_segment_clipped() above)
-   * this gives precision error; rather then solving properly
+   * this gives precision error; rather than solving properly
    * (which may involve using doubles everywhere!),
    * limit the distance between these points */
   if (kcd->is_ortho && (kcd->vc.rv3d->persp != RV3D_CAMOB)) {
diff --git a/source/blender/editors/mesh/editmesh_rip.c b/source/blender/editors/mesh/editmesh_rip.c
index 62c646a81e4..66d57de70d3 100644
--- a/source/blender/editors/mesh/editmesh_rip.c
+++ b/source/blender/editors/mesh/editmesh_rip.c
@@ -130,7 +130,7 @@ static float edbm_rip_edge_side_measure(
    * from edge midpoint to face center.  offset edge midpoint
    * by a small amount along this vector. */
 
-  /* rather then the face center, get the middle of
+  /* rather than the face center, get the middle of
    * both edge verts connected to this one */
   v1_other = BM_face_other_vert_loop(e_l->f, e->v2, e->v1)->v;
   v2_other = BM_face_other_vert_loop(e_l->f, e->v1, e->v2)->v;
@@ -146,7 +146,7 @@ static float edbm_rip_edge_side_measure(
   sub_v2_v2v2(vec, cent, mid);
   normalize_v2_length(vec, 0.01f);
 
-  /* rather then adding to both verts, subtract from the mouse */
+  /* rather than adding to both verts, subtract from the mouse */
   sub_v2_v2v2(fmval_tweak, fmval, vec);
 
   score = len_v2v2(e_v1_co, e_v2_co);
@@ -904,7 +904,7 @@ static int edbm_rip_invoke__edge(bContext *C, const wmEvent *event, Object *obed
     BM_ITER_ELEM (e, &eiter, v, BM_EDGES_OF_VERT) {
 
       if (!BM_edge_is_wire(e) && !BM_elem_flag_test(e, BM_ELEM_HIDDEN)) {
-        /* important to check selection rather then tag here
+        /* important to check selection rather than tag here
          * else we get feedback loop */
         if (BM_elem_flag_test(e, BM_ELEM_SELECT)) {
           e_best = e;
@@ -1042,7 +1042,7 @@ static int edbm_rip_invoke(bContext *C, wmOperator *op, const wmEvent *event)
     error_disconnected_vertices = false;
 
     /* note on selection:
-     * When calling edge split we operate on tagged edges rather then selected
+     * When calling edge split we operate on tagged edges rather than selected
      * this is important because the edges to operate on are extended by one,
      * but the selection is left alone.
      *
diff --git a/source/blender/editors/mesh/editmesh_tools.c b/source/blender/editors/mesh/editmesh_tools.c
index 01e25d5281c..b9eac26eaa8 100644
--- a/source/blender/editors/mesh/editmesh_tools.c
+++ b/source/blender/editors/mesh/editmesh_tools.c
@@ -4030,7 +4030,7 @@ static int edbm_knife_cut_exec(bContext *C, wmOperator *op)
   /* for ED_view3d_project_float_object */
   ED_view3d_init_mats_rv3d(obedit, region->regiondata);
 
-  /* TODO, investigate using index lookup for screen_vert_coords() rather then a hash table */
+  /* TODO, investigate using index lookup for screen_vert_coords() rather than a hash table */
 
   /* the floating point coordinates of verts in screen space will be
    * stored in a hash table according to the vertices pointer */
@@ -7245,7 +7245,7 @@ void MESH_OT_wireframe(wmOperatorType *ot)
   RNA_def_boolean(ot->srna, "use_replace", true, "Replace", "Remove original faces");
   prop = RNA_def_float_distance(
       ot->srna, "thickness", 0.01f, 0.0f, 1e4f, "Thickness", "", 0.0f, 10.0f);
-  /* use 1 rather then 10 for max else dragging the button moves too far */
+  /* use 1 rather than 10 for max else dragging the button moves too far */
   RNA_def_property_ui_range(prop, 0.0, 1.0, 0.01, 4);
   RNA_def_float_distance(ot->srna, "offset", 0.01f, 0.0f, 1e4f, "Offset", "", 0.0f, 10.0f);
   RNA_def_boolean(ot->srna,
diff --git a/source/blender/editors/physics/particle_edit.c b/source/blender/editors/physics/particle_edit.c
index 0cf9fd7768d..e6d11398279 100644
--- a/source/blender/editors/physics/particle_edit.c
+++ b/source/blender/editors/physics/particle_edit.c
@@ -3777,7 +3777,7 @@ static void brush_puff(PEData *data, int point_index, float mouse_distance)
           /* translate (not rotate) the rest of the hair if its not selected  */
           {
 /* NOLINTNEXTLINE: readability-redundant-preprocessor */
-#  if 0 /* kindof works but looks worse then what's below */
+#  if 0 /* kindof works but looks worse than what's below */
 
             /* Move the unselected point on a vector based on the
              * hair direction and the offset */
diff --git a/source/blender/editors/sculpt_paint/paint_image_proj.c b/source/blender/editors/sculpt_paint/paint_image_proj.c
index 75f1e63ebb3..37af1fb6cda 100644
--- a/source/blender/editors/sculpt_paint/paint_image_proj.c
+++ b/source/blender/editors/sculpt_paint/paint_image_proj.c
@@ -467,7 +467,7 @@ typedef struct ProjPixel {
   /* Only used when the airbrush is disabled.
    * Store the max mask value to avoid painting over an area with a lower opacity
    * with an advantage that we can avoid touching the pixel at all, if the
-   * new mask value is lower then mask_accum */
+   * new mask value is lower than mask_accum */
   ushort *mask_accum;
 
   /* horrible hack, store tile valid flag pointer here to re-validate tiles
@@ -2254,7 +2254,7 @@ static bool project_bucket_isect_circle(const float cent[2],
   /* Would normally to a simple intersection test,
    * however we know the bounds of these 2 already intersect so we only need to test
    * if the center is inside the vertical or horizontal bounds on either axis,
-   * this is even less work then an intersection test.
+   * this is even less work than an intersection test.
    */
 #if 0
   if (BLI_rctf_isect_pt_v(bucket_bounds, cent)) {
@@ -2660,7 +2660,7 @@ static void project_bucket_clip_face(const bool is_ortho,
      *
      * There are a number of ways this could be done, currently it just collects all
      * intersecting verts, and line intersections, then sorts them clockwise, this is
-     * a lot easier then evaluating the geometry to do a correct clipping on both shapes.
+     * a lot easier than evaluating the geometry to do a correct clipping on both shapes.
      */
 
     /* Add a bunch of points, we know must make up the convex hull
@@ -2765,7 +2765,7 @@ static void project_bucket_clip_face(const bool is_ortho,
 
     /* Collect angles for every point around the center point */
 
-#if 0 /* uses a few more cycles then the above loop */
+#if 0 /* uses a few more cycles than the above loop */
     for (int i = 0; i < (*tot); i++) {
       isectVCosSS[i][2] = angle_2d_clockwise(up, cent, isectVCosSS[i]);
     }
@@ -3248,7 +3248,7 @@ static void project_paint_face_init(const ProjPaintState *ps,
       vCoSS[1] = ps->screenCoords[lt_vtri[1]];
       vCoSS[2] = ps->screenCoords[lt_vtri[2]];
 
-      /* PROJ_FACE_SCALE_SEAM must be slightly less then 1.0f */
+      /* PROJ_FACE_SCALE_SEAM must be slightly less than 1.0f */
       if (is_ortho) {
         scale_tri(insetCos, vCoSS, PROJ_FACE_SCALE_SEAM);
       }
@@ -4895,7 +4895,7 @@ static void do_projectpaint_soften_f(ProjPaintState *ps,
   BlurKernel *kernel = ps->blurkernel;
   float *rgba = projPixel->newColor.f;
 
-  /* rather then painting, accumulate surrounding colors */
+  /* rather than painting, accumulate surrounding colors */
   zero_v4(rgba);
 
   for (yk = 0; yk < kernel->side; yk++) {
@@ -4956,7 +4956,7 @@ static void do_projectpaint_soften(ProjPaintState *ps,
   /* convert to byte after */
   float rgba[4];
 
-  /* rather then painting, accumulate surrounding colors */
+  /* rather than painting, accumulate surrounding colors */
   zero_v4(rgba);
 
   for (yk = 0; yk < kernel->side; yk++) {
@@ -6285,7 +6285,7 @@ static int texture_paint_image_from_view_exec(bContext *C, wmOperator *op)
     array += sizeof(rv3d->viewmat) / sizeof(float);
     is_ortho = ED_view3d_clip_range_get(depsgraph, v3d, rv3d, &array[0], &array[1], true);
     /* using float for a bool is dodgy but since its an extra member in the array...
-     * easier then adding a single bool prop */
+     * easier than adding a single bool prop */
     array[2] = is_ortho ? 1.0f : 0.0f;
 
     IDP_AddToGroup(idgroup, view_data);
diff --git a/source/blender/editors/sculpt_paint/paint_stroke.c b/source/blender/editors/sculpt_paint/paint_stroke.c
index 0da0b191537..75357214936 100644
--- a/source/blender/editors/sculpt_paint/paint_stroke.c
+++ b/source/blender/editors/sculpt_paint/paint_stroke.c
@@ -692,7 +692,7 @@ static float paint_space_stroke_spacing(bContext *C,
     }
   }
   else {
-    /* brushes can have a minimum size of 1.0 but with pressure it can be smaller then a pixel
+    /* brushes can have a minimum size of 1.0 but with pressure it can be smaller than a pixel
      * causing very high step sizes, hanging blender T32381. */
     size_clamp = max_ff(1.0f, size);
   }
diff --git a/source/blender/editors/space_file/filesel.c b/source/blender/editors/space_file/filesel.c
index f2d8f50299f..42b2806814b 100644
--- a/source/blender/editors/space_file/filesel.c
+++ b/source/blender/editors/space_file/filesel.c
@@ -86,7 +86,7 @@ FileSelectParams *ED_fileselect_get_params(struct SpaceFile *sfile)
 
 /**
  * \note RNA_struct_property_is_set_ex is used here because we want
- *       the previously used settings to be used here rather then overriding them */
+ *       the previously used settings to be used here rather than overriding them */
 short ED_fileselect_set_params(SpaceFile *sfile)
 {
   FileSelectParams *params;
diff --git a/source/blender/editors/space_image/image_ops.c b/source/blender/editors/space_image/image_ops.c
index 6f36d3606bc..e36c7d6b6e7 100644
--- a/source/blender/editors/space_image/image_ops.c
+++ b/source/blender/editors/space_image/image_ops.c
@@ -1570,7 +1570,7 @@ static int image_replace_exec(bContext *C, wmOperator *op)
 
   RNA_string_get(op->ptr, "filepath", str);
 
-  /* we cant do much if the str is longer then FILE_MAX :/ */
+  /* we cant do much if the str is longer than FILE_MAX :/ */
   BLI_strncpy(sima->image->filepath, str, sizeof(sima->image->filepath));
 
   if (sima->image->source == IMA_SRC_GENERATED) {
diff --git a/source/blender/editors/space_info/textview.c b/source/blender/editors/space_info/textview.c
index 5e0ba506226..a489216afd1 100644
--- a/source/blender/editors/space_info/textview.c
+++ b/source/blender/editors/space_info/textview.c
@@ -58,7 +58,7 @@ typedef struct TextViewDrawState {
   int scroll_ymin, scroll_ymax;
   int *xy;   // [2]
   int *sel;  // [2]
-  /* Bottom of view == 0, top of file == combine chars, end of line is lower then start. */
+  /* Bottom of view == 0, top of file == combine chars, end of line is lower than start. */
   int *mval_pick_offset;
   const int *mval;  // [2]
   bool do_draw;
diff --git a/source/blender/editors/space_node/node_view.c b/source/blender/editors/space_node/node_view.c
index fca8086d36f..ef7e7874c63 100644
--- a/source/blender/editors/space_node/node_view.c
+++ b/source/blender/editors/space_node/node_view.c
@@ -231,7 +231,7 @@ static int snode_bg_viewmove_invoke(bContext *C, wmOperator *op, const wmEvent *
   NodeViewMove *nvm;
   Image *ima;
   ImBuf *ibuf;
-  const float pad = 32.0f; /* better be bigger then scrollbars */
+  const float pad = 32.0f; /* better be bigger than scrollbars */
 
   void *lock;
 
diff --git a/source/blender/editors/space_sequencer/sequencer_scopes.c b/source/blender/editors/space_sequencer/sequencer_scopes.c
index 1639870fee2..f5707d1ea65 100644
--- a/source/blender/editors/space_sequencer/sequencer_scopes.c
+++ b/source/blender/editors/space_sequencer/sequencer_scopes.c
@@ -34,7 +34,7 @@
 
 #include "sequencer_intern.h"
 
-/* XXX, why is this function better then BLI_math version?
+/* XXX, why is this function better than BLI_math version?
  * only difference is it does some normalize after, need to double check on this - campbell */
 static void rgb_to_yuv_normalized(const float rgb[3], float yuv[3])
 {
diff --git a/source/blender/editors/space_view3d/view3d_gizmo_ruler.c b/source/blender/editors/space_view3d/view3d_gizmo_ruler.c
index 990b7952e39..fdba74ed3a6 100644
--- a/source/blender/editors/space_view3d/view3d_gizmo_ruler.c
+++ b/source/blender/editors/space_view3d/view3d_gizmo_ruler.c
@@ -83,7 +83,7 @@ enum {
   RULERITEM_USE_ANGLE_ACTIVE = (1 << 1),
 };
 
-/* keep smaller then selection, since we may want click elsewhere without selecting a ruler */
+/* keep smaller than selection, since we may want click elsewhere without selecting a ruler */
 #define RULER_PICK_DIST 12.0f
 #define RULER_PICK_DIST_SQ (RULER_PICK_DIST * RULER_PICK_DIST)
 
diff --git a/source/blender/editors/space_view3d/view3d_view.c b/source/blender/editors/space_view3d/view3d_view.c
index b05ff207e82..6faaedc1c4a 100644
--- a/source/blender/editors/space_view3d/view3d_view.c
+++ b/source/blender/editors/space_view3d/view3d_view.c
@@ -1097,7 +1097,7 @@ int view3d_opengl_select(ViewContext *vc,
   UI_Theme_Store(&theme_state);
   UI_SetTheme(SPACE_VIEW3D, RGN_TYPE_WINDOW);
 
-  /* Re-use cache (rect must be smaller then the cached)
+  /* Re-use cache (rect must be smaller than the cached)
    * other context is assumed to be unchanged */
   if (GPU_select_is_cached()) {
     GPU_select_begin(buffer, bufsize, &rect, gpu_select_mode, 0);
diff --git a/source/blender/editors/transform/transform_convert_mesh.c b/source/blender/editors/transform/transform_convert_mesh.c
index f154c8d338e..6c0b03c6206 100644
--- a/source/blender/editors/transform/transform_convert_mesh.c
+++ b/source/blender/editors/transform/transform_convert_mesh.c
@@ -1611,7 +1611,7 @@ void special_aftertrans_update__mesh(bContext *UNUSED(C), TransInfo *t)
       bool has_face_sel = (bm->totfacesel != 0);
 
       if (tc->use_mirror_axis_any) {
-        /* Rather then adjusting the selection (which the user would notice)
+        /* Rather than adjusting the selection (which the user would notice)
          * tag all mirrored verts, then auto-merge those. */
         BM_mesh_elem_hflag_disable_all(bm, BM_VERT, BM_ELEM_TAG, false);
 
diff --git a/source/blender/editors/transform/transform_input.c b/source/blender/editors/transform/transform_input.c
index 7e921d4fc3d..70ef5fcde7a 100644
--- a/source/blender/editors/transform/transform_input.c
+++ b/source/blender/editors/transform/transform_input.c
@@ -438,7 +438,7 @@ void initMouseInputMode(TransInfo *t, MouseInput *mi, MouseInputMode mode)
   }
 
   /* if we've allocated new data, free the old data
-   * less hassle then checking before every alloc above */
+   * less hassle than checking before every alloc above */
   if (mi_data_prev && (mi_data_prev != mi->data)) {
     MEM_freeN(mi_data_prev);
   }
diff --git a/source/blender/imbuf/IMB_thumbs.h b/source/blender/imbuf/IMB_thumbs.h
index a096301ed97..a013e7e38dd 100644
--- a/source/blender/imbuf/IMB_thumbs.h
+++ b/source/blender/imbuf/IMB_thumbs.h
@@ -48,7 +48,7 @@ typedef enum ThumbSource {
   THB_SOURCE_FONT,
 } ThumbSource;
 
-/* don't generate thumbs for images bigger then this (100mb) */
+/* don't generate thumbs for images bigger than this (100mb) */
 #define THUMB_SIZE_MAX (100 * 1024 * 1024)
 
 #define PREVIEW_RENDER_DEFAULT_HEIGHT 128
diff --git a/source/blender/imbuf/intern/jp2.c b/source/blender/imbuf/intern/jp2.c
index 2244a9c3051..c7e4fe45a26 100644
--- a/source/blender/imbuf/intern/jp2.c
+++ b/source/blender/imbuf/intern/jp2.c
@@ -362,7 +362,7 @@ static ImBuf *imb_load_jp2_stream(opj_stream_t *stream,
   }
 
   struct ImBuf *ibuf = NULL;
-  bool use_float = false; /* for precision higher then 8 use float */
+  bool use_float = false; /* for precision higher than 8 use float */
   bool use_alpha = false;
 
   long signed_offsets[4] = {0, 0, 0, 0};
diff --git a/source/blender/makesdna/DNA_key_types.h b/source/blender/makesdna/DNA_key_types.h
index 56a164e4f2c..782827578c2 100644
--- a/source/blender/makesdna/DNA_key_types.h
+++ b/source/blender/makesdna/DNA_key_types.h
@@ -107,7 +107,7 @@ typedef struct Key {
   char _pad2;
 
   /** Only used when (Key->type == KEY_NORMAL), this value is used as a time slider,
-   * rather then using the scenes time, this value can be animated to give greater control */
+   * rather than using the scenes time, this value can be animated to give greater control */
   float ctime;
 
   /**
diff --git a/source/blender/makesrna/intern/makesrna.c b/source/blender/makesrna/intern/makesrna.c
index 269db1990b8..fa589597111 100644
--- a/source/blender/makesrna/intern/makesrna.c
+++ b/source/blender/makesrna/intern/makesrna.c
@@ -161,7 +161,7 @@ static int replace_if_different(const char *tmpfile, const char *dep_files[])
    * assumes dep_files is in the same dir as makesrna.c, which is true for now. */
 
   if (1) {
-    /* first check if makesrna.c is newer then generated files
+    /* first check if makesrna.c is newer than generated files
      * for development on makesrna.c you may want to disable this */
     if (file_older(orgfile, __FILE__)) {
       REN_IF_DIFF;
@@ -171,7 +171,7 @@ static int replace_if_different(const char *tmpfile, const char *dep_files[])
       REN_IF_DIFF;
     }
 
-    /* now check if any files we depend on are newer then any generated files */
+    /* now check if any files we depend on are newer than any generated files */
     if (dep_files) {
       int pass;
       for (pass = 0; dep_files[pass]; pass++) {
diff --git a/source/blender/makesrna/intern/rna_access.c b/source/blender/makesrna/intern/rna_access.c
index f9490bd69c5..15a4a4e740e 100644
--- a/source/blender/makesrna/intern/rna_access.c
+++ b/source/blender/makesrna/intern/rna_access.c
@@ -5990,7 +5990,7 @@ char *RNA_path_from_ID_to_struct(PointerRNA *ptr)
       }
     }
     else if (RNA_struct_is_a(ptr->type, &RNA_PropertyGroup)) {
-      /* special case, easier to deal with here then in ptr->type->path() */
+      /* special case, easier to deal with here than in ptr->type->path() */
       return rna_path_from_ID_to_idpgroup(ptr);
     }
     else {
diff --git a/source/blender/makesrna/intern/rna_armature.c b/source/blender/makesrna/intern/rna_armature.c
index c0a46c65969..cc0c11fb089 100644
--- a/source/blender/makesrna/intern/rna_armature.c
+++ b/source/blender/makesrna/intern/rna_armature.c
@@ -654,7 +654,7 @@ static void rna_Armature_bones_next(CollectionPropertyIterator *iter)
   iter->valid = (internal->link != NULL);
 }
 
-/* not essential, but much faster then the default lookup function */
+/* not essential, but much faster than the default lookup function */
 static int rna_Armature_bones_lookup_string(PointerRNA *ptr, const char *key, PointerRNA *r_ptr)
 {
   bArmature *arm = (bArmature *)ptr->data;
diff --git a/source/blender/makesrna/intern/rna_modifier.c b/source/blender/makesrna/intern/rna_modifier.c
index 48ea894aba1..066bf309caa 100644
--- a/source/blender/makesrna/intern/rna_modifier.c
+++ b/source/blender/makesrna/intern/rna_modifier.c
@@ -187,7 +187,7 @@ const EnumPropertyItem rna_enum_object_modifier_type_items[] = {
      "WELD",
      ICON_AUTOMERGE_OFF,
      "Weld",
-     "Find groups of vertices closer then dist and merges them together"},
+     "Find groups of vertices closer than dist and merges them together"},
     {eModifierType_Wireframe,
      "WIREFRAME",
      ICON_MOD_WIREFRAME,
diff --git a/source/blender/makesrna/intern/rna_pose.c b/source/blender/makesrna/intern/rna_pose.c
index 8dd3670087a..942cd3d1a20 100644
--- a/source/blender/makesrna/intern/rna_pose.c
+++ b/source/blender/makesrna/intern/rna_pose.c
@@ -811,7 +811,7 @@ static int rna_PoseChannel_rotation_4d_editable(PointerRNA *ptr, int index)
   return PROP_EDITABLE;
 }
 
-/* not essential, but much faster then the default lookup function */
+/* not essential, but much faster than the default lookup function */
 static int rna_PoseBones_lookup_string(PointerRNA *ptr, const char *key, PointerRNA *r_ptr)
 {
   bPose *pose = (bPose *)ptr->data;
diff --git a/source/blender/modifiers/intern/MOD_screw.c b/source/blender/modifiers/intern/MOD_screw.c
index f5d933041bf..6521a0859e5 100644
--- a/source/blender/modifiers/intern/MOD_screw.c
+++ b/source/blender/modifiers/intern/MOD_screw.c
@@ -358,7 +358,7 @@ static Mesh *modifyMesh(ModifierData *md, const ModifierEvalContext *ctx, Mesh *
   step_tot = ((step_tot + 1) * ltmd->iter) - (ltmd->iter - 1);
 
   /* Will the screw be closed?
-   * Note! smaller then `FLT_EPSILON * 100`
+   * Note! smaller than `FLT_EPSILON * 100`
    * gives problems with float precision so its never closed. */
   if (fabsf(screw_ofs) <= (FLT_EPSILON * 100.0f) &&
       fabsf(fabsf(angle) - ((float)M_PI * 2.0f)) <= (FLT_EPSILON * 100.0f) && step_tot > 3) {
diff --git a/source/blender/python/intern/bpy_rna.c b/source/blender/python/intern/bpy_rna.c
index bee4fef9d17..d6ab76dac60 100644
--- a/source/blender/python/intern/bpy_rna.c
+++ b/source/blender/python/intern/bpy_rna.c
@@ -4844,7 +4844,7 @@ static PyObject *pyrna_prop_collection_items(BPy_PropertyRNA *self)
         }
       }
       else {
-        /* A bit strange, but better then returning an empty list. */
+        /* A bit strange, but better than returning an empty list. */
         PyTuple_SET_ITEM(item, 0, PyLong_FromLong(i));
       }
       PyTuple_SET_ITEM(item, 1, pyrna_struct_CreatePyObject(&itemptr));
@@ -6219,7 +6219,7 @@ static PyObject *pyrna_func_call(BPy_FunctionRNA *self, PyObject *args, PyObject
 
   /* Check if we gave args that don't exist in the function
    * Printing the error is slow, but it should only happen when developing.
-   * The "if" below is quick check to make sure less keyword args were passed then we gave.
+   * The "if" below is quick check to make sure less keyword args were passed than we gave.
    * (Don't overwrite the error if we have one,
    * otherwise can skip important messages and confuse with args).
    */
-- 
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