diff --git a/ChangeLog b/ChangeLog
index 74ce795..9e07431 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,22 @@
 2017-03-20  Werner Lemberg  <wl@gnu.org>
 
+	[truetype] Some variable renamings.
+
+	Too much local variables holding different structures were called
+	`metrics'.
+
+	* src/truetype/ttdriver.c (tt_size_select): s/metrics/size_metrics/.
+
+	* src/truetype/ttgload.c (tt_get_metrics_incr_overrids,
+	compute_glyph_metrics): s/metrics/incr_metrics/.
+	(load_sbit_image): s/metrics/sbit_metrics/.
+
+	* src/truetype/ttobjs.c (tt_size_run_fpgm): s/metrics/size_metrics/.
+	(tt_size_init_bytecode): s/metrics/tt_metrics/.
+	(tt_size_reset): s/metrics/size_metrics/.
+
+2017-03-20  Werner Lemberg  <wl@gnu.org>
+
 	[sfnt] Don't add instances to non-variation fonts.
 
 	* src/sfnt/sfobjs.c (sfnt_init_face): Fix it.
diff --git a/src/truetype/ttdriver.c b/src/truetype/ttdriver.c
index 6f9b746..4ec78e2 100644
--- a/src/truetype/ttdriver.c
+++ b/src/truetype/ttdriver.c
@@ -308,11 +308,13 @@
     }
     else
     {
-      SFNT_Service      sfnt    = (SFNT_Service)ttface->sfnt;
-      FT_Size_Metrics*  metrics = &size->metrics;
+      SFNT_Service      sfnt         = (SFNT_Service)ttface->sfnt;
+      FT_Size_Metrics*  size_metrics = &size->metrics;
 
 
-      error = sfnt->load_strike_metrics( ttface, strike_index, metrics );
+      error = sfnt->load_strike_metrics( ttface,
+                                         strike_index,
+                                         size_metrics );
       if ( error )
         ttsize->strike_index = 0xFFFFFFFFUL;
     }
diff --git a/src/truetype/ttgload.c b/src/truetype/ttgload.c
index cd4634f..9cdcf10 100644
--- a/src/truetype/ttgload.c
+++ b/src/truetype/ttgload.c
@@ -194,39 +194,39 @@
     if ( face->root.internal->incremental_interface                           &&
          face->root.internal->incremental_interface->funcs->get_glyph_metrics )
     {
-      FT_Incremental_MetricsRec  metrics;
+      FT_Incremental_MetricsRec  incr_metrics;
       FT_Error                   error;
 
 
-      metrics.bearing_x = loader->left_bearing;
-      metrics.bearing_y = 0;
-      metrics.advance   = loader->advance;
-      metrics.advance_v = 0;
+      incr_metrics.bearing_x = loader->left_bearing;
+      incr_metrics.bearing_y = 0;
+      incr_metrics.advance   = loader->advance;
+      incr_metrics.advance_v = 0;
 
       error = face->root.internal->incremental_interface->funcs->get_glyph_metrics(
                 face->root.internal->incremental_interface->object,
-                glyph_index, FALSE, &metrics );
+                glyph_index, FALSE, &incr_metrics );
       if ( error )
         goto Exit;
 
-      left_bearing  = (FT_Short)metrics.bearing_x;
-      advance_width = (FT_UShort)metrics.advance;
+      left_bearing  = (FT_Short)incr_metrics.bearing_x;
+      advance_width = (FT_UShort)incr_metrics.advance;
 
 #if 0
 
       /* GWW: Do I do the same for vertical metrics? */
-      metrics.bearing_x = 0;
-      metrics.bearing_y = loader->top_bearing;
-      metrics.advance   = loader->vadvance;
+      incr_metrics.bearing_x = 0;
+      incr_metrics.bearing_y = loader->top_bearing;
+      incr_metrics.advance   = loader->vadvance;
 
       error = face->root.internal->incremental_interface->funcs->get_glyph_metrics(
                 face->root.internal->incremental_interface->object,
-                glyph_index, TRUE, &metrics );
+                glyph_index, TRUE, &incr_metrics );
       if ( error )
         goto Exit;
 
-      top_bearing    = (FT_Short)metrics.bearing_y;
-      advance_height = (FT_UShort)metrics.advance;
+      top_bearing    = (FT_Short)incr_metrics.bearing_y;
+      advance_height = (FT_UShort)incr_metrics.advance;
 
 #endif /* 0 */
 
@@ -2151,7 +2151,7 @@
 #ifdef FT_CONFIG_OPTION_INCREMENTAL
       {
         FT_Incremental_InterfaceRec*  incr;
-        FT_Incremental_MetricsRec     metrics;
+        FT_Incremental_MetricsRec     incr_metrics;
         FT_Error                      error;
 
 
@@ -2161,19 +2161,19 @@
         /* overriding metrics for this glyph.                       */
         if ( incr && incr->funcs->get_glyph_metrics )
         {
-          metrics.bearing_x = 0;
-          metrics.bearing_y = top;
-          metrics.advance   = advance;
+          incr_metrics.bearing_x = 0;
+          incr_metrics.bearing_y = top;
+          incr_metrics.advance   = advance;
 
           error = incr->funcs->get_glyph_metrics( incr->object,
                                                   glyph_index,
                                                   TRUE,
-                                                  &metrics );
+                                                  &incr_metrics );
           if ( error )
             return error;
 
-          top     = metrics.bearing_y;
-          advance = metrics.advance;
+          top     = incr_metrics.bearing_y;
+          advance = incr_metrics.advance;
         }
       }
 
@@ -2215,7 +2215,7 @@
     SFNT_Service        sfnt;
     FT_Stream           stream;
     FT_Error            error;
-    TT_SBit_MetricsRec  metrics;
+    TT_SBit_MetricsRec  sbit_metrics;
 
 
     face   = (TT_Face)glyph->face;
@@ -2228,34 +2228,34 @@
                                    (FT_UInt)load_flags,
                                    stream,
                                    &glyph->bitmap,
-                                   &metrics );
+                                   &sbit_metrics );
     if ( !error )
     {
       glyph->outline.n_points   = 0;
       glyph->outline.n_contours = 0;
 
-      glyph->metrics.width  = (FT_Pos)metrics.width  * 64;
-      glyph->metrics.height = (FT_Pos)metrics.height * 64;
+      glyph->metrics.width  = (FT_Pos)sbit_metrics.width  * 64;
+      glyph->metrics.height = (FT_Pos)sbit_metrics.height * 64;
 
-      glyph->metrics.horiBearingX = (FT_Pos)metrics.horiBearingX * 64;
-      glyph->metrics.horiBearingY = (FT_Pos)metrics.horiBearingY * 64;
-      glyph->metrics.horiAdvance  = (FT_Pos)metrics.horiAdvance  * 64;
+      glyph->metrics.horiBearingX = (FT_Pos)sbit_metrics.horiBearingX * 64;
+      glyph->metrics.horiBearingY = (FT_Pos)sbit_metrics.horiBearingY * 64;
+      glyph->metrics.horiAdvance  = (FT_Pos)sbit_metrics.horiAdvance  * 64;
 
-      glyph->metrics.vertBearingX = (FT_Pos)metrics.vertBearingX * 64;
-      glyph->metrics.vertBearingY = (FT_Pos)metrics.vertBearingY * 64;
-      glyph->metrics.vertAdvance  = (FT_Pos)metrics.vertAdvance  * 64;
+      glyph->metrics.vertBearingX = (FT_Pos)sbit_metrics.vertBearingX * 64;
+      glyph->metrics.vertBearingY = (FT_Pos)sbit_metrics.vertBearingY * 64;
+      glyph->metrics.vertAdvance  = (FT_Pos)sbit_metrics.vertAdvance  * 64;
 
       glyph->format = FT_GLYPH_FORMAT_BITMAP;
 
       if ( load_flags & FT_LOAD_VERTICAL_LAYOUT )
       {
-        glyph->bitmap_left = metrics.vertBearingX;
-        glyph->bitmap_top  = metrics.vertBearingY;
+        glyph->bitmap_left = sbit_metrics.vertBearingX;
+        glyph->bitmap_top  = sbit_metrics.vertBearingY;
       }
       else
       {
-        glyph->bitmap_left = metrics.horiBearingX;
-        glyph->bitmap_top  = metrics.horiBearingY;
+        glyph->bitmap_left = sbit_metrics.horiBearingX;
+        glyph->bitmap_top  = sbit_metrics.horiBearingY;
       }
     }
 
diff --git a/src/truetype/ttobjs.c b/src/truetype/ttobjs.c
index fd0c4dd..27e0931 100644
--- a/src/truetype/ttobjs.c
+++ b/src/truetype/ttobjs.c
@@ -792,14 +792,14 @@
     exec->pedantic_hinting = pedantic;
 
     {
-      FT_Size_Metrics*  metrics    = &exec->metrics;
-      TT_Size_Metrics*  tt_metrics = &exec->tt_metrics;
+      FT_Size_Metrics*  size_metrics = &exec->metrics;
+      TT_Size_Metrics*  tt_metrics   = &exec->tt_metrics;
 
 
-      metrics->x_ppem   = 0;
-      metrics->y_ppem   = 0;
-      metrics->x_scale  = 0;
-      metrics->y_scale  = 0;
+      size_metrics->x_ppem   = 0;
+      size_metrics->y_ppem   = 0;
+      size_metrics->x_scale  = 0;
+      size_metrics->y_scale  = 0;
 
       tt_metrics->ppem  = 0;
       tt_metrics->scale = 0;
@@ -1014,17 +1014,17 @@
 
     /* Set default metrics */
     {
-      TT_Size_Metrics*  metrics = &size->ttmetrics;
+      TT_Size_Metrics*  tt_metrics = &size->ttmetrics;
 
 
-      metrics->rotated   = FALSE;
-      metrics->stretched = FALSE;
+      tt_metrics->rotated   = FALSE;
+      tt_metrics->stretched = FALSE;
 
       /* set default engine compensation */
-      metrics->compensations[0] = 0;   /* gray     */
-      metrics->compensations[1] = 0;   /* black    */
-      metrics->compensations[2] = 0;   /* white    */
-      metrics->compensations[3] = 0;   /* reserved */
+      tt_metrics->compensations[0] = 0;   /* gray     */
+      tt_metrics->compensations[1] = 0;   /* black    */
+      tt_metrics->compensations[2] = 0;   /* white    */
+      tt_metrics->compensations[3] = 0;   /* reserved */
     }
 
     /* allocate function defs, instruction defs, cvt, and storage area */
@@ -1209,7 +1209,7 @@
                  FT_Bool  only_height )
   {
     TT_Face           face;
-    FT_Size_Metrics*  metrics;
+    FT_Size_Metrics*  size_metrics;
 
 
     face = (TT_Face)size->root.face;
@@ -1220,12 +1220,12 @@
 
     size->ttmetrics.valid = FALSE;
 
-    metrics = &size->metrics;
+    size_metrics = &size->metrics;
 
     /* copy the result from base layer */
-    *metrics = size->root.metrics;
+    *size_metrics = size->root.metrics;
 
-    if ( metrics->x_ppem < 1 || metrics->y_ppem < 1 )
+    if ( size_metrics->x_ppem < 1 || size_metrics->y_ppem < 1 )
       return FT_THROW( Invalid_PPem );
 
     /* This bit flag, if set, indicates that the ppems must be       */
@@ -1234,12 +1234,15 @@
     /*                                                               */
     if ( face->header.Flags & 8 )
     {
-      metrics->ascender =
-        FT_PIX_ROUND( FT_MulFix( face->root.ascender, metrics->y_scale ) );
-      metrics->descender =
-        FT_PIX_ROUND( FT_MulFix( face->root.descender, metrics->y_scale ) );
-      metrics->height =
-        FT_PIX_ROUND( FT_MulFix( face->root.height, metrics->y_scale ) );
+      size_metrics->ascender = FT_PIX_ROUND(
+                                 FT_MulFix( face->root.ascender,
+                                            size_metrics->y_scale ) );
+      size_metrics->descender = FT_PIX_ROUND(
+                                 FT_MulFix( face->root.descender,
+                                            size_metrics->y_scale ) );
+      size_metrics->height = FT_PIX_ROUND(
+                               FT_MulFix( face->root.height,
+                                          size_metrics->y_scale ) );
     }
 
     size->ttmetrics.valid = TRUE;
@@ -1249,31 +1252,31 @@
 
     if ( face->header.Flags & 8 )
     {
-      metrics->x_scale = FT_DivFix( metrics->x_ppem << 6,
-                                    face->root.units_per_EM );
-      metrics->y_scale = FT_DivFix( metrics->y_ppem << 6,
-                                    face->root.units_per_EM );
+      size_metrics->x_scale = FT_DivFix( size_metrics->x_ppem << 6,
+                                         face->root.units_per_EM );
+      size_metrics->y_scale = FT_DivFix( size_metrics->y_ppem << 6,
+                                         face->root.units_per_EM );
 
-      metrics->max_advance =
-        FT_PIX_ROUND( FT_MulFix( face->root.max_advance_width,
-                                 metrics->x_scale ) );
+      size_metrics->max_advance = FT_PIX_ROUND(
+                                    FT_MulFix( face->root.max_advance_width,
+                                               size_metrics->x_scale ) );
     }
 
     /* compute new transformation */
-    if ( metrics->x_ppem >= metrics->y_ppem )
+    if ( size_metrics->x_ppem >= size_metrics->y_ppem )
     {
-      size->ttmetrics.scale   = metrics->x_scale;
-      size->ttmetrics.ppem    = metrics->x_ppem;
+      size->ttmetrics.scale   = size_metrics->x_scale;
+      size->ttmetrics.ppem    = size_metrics->x_ppem;
       size->ttmetrics.x_ratio = 0x10000L;
-      size->ttmetrics.y_ratio = FT_DivFix( metrics->y_ppem,
-                                           metrics->x_ppem );
+      size->ttmetrics.y_ratio = FT_DivFix( size_metrics->y_ppem,
+                                           size_metrics->x_ppem );
     }
     else
     {
-      size->ttmetrics.scale   = metrics->y_scale;
-      size->ttmetrics.ppem    = metrics->y_ppem;
-      size->ttmetrics.x_ratio = FT_DivFix( metrics->x_ppem,
-                                           metrics->y_ppem );
+      size->ttmetrics.scale   = size_metrics->y_scale;
+      size->ttmetrics.ppem    = size_metrics->y_ppem;
+      size->ttmetrics.x_ratio = FT_DivFix( size_metrics->x_ppem,
+                                           size_metrics->y_ppem );
       size->ttmetrics.y_ratio = 0x10000L;
     }