* ext/**/*.[ch]: removed trailing spaces.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27437 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

11 files changed, 190 insertions, 190 deletions

diff --git a/ext/syck/bytecode.c b/ext/syck/bytecode.c
index 25ba678300..5cddb22831 100644
--- a/ext/syck/bytecode.c
+++ b/ext/syck/bytecode.c
@@ -98,7 +98,7 @@ char *get_inline( SyckParser *parser );
                 if ( reset == 1 ) YYPOS(0); \
                 return YAML_IOPEN; \
             } \
-        } 
+        }
 
 /*
  * Nice little macro to ensure closure of levels.
@@ -135,7 +135,7 @@ sycklex_bytecode_utf8( YYSTYPE *sycklval, SyckParser *parser )
 {
     SyckLevel *lvl;
     syck_parser_ptr = parser;
-    if ( YYCURSOR == NULL ) 
+    if ( YYCURSOR == NULL )
     {
         syck_parser_read( parser );
     }
@@ -289,7 +289,7 @@ yy17:	++YYCURSOR;
 	goto yy18;
 yy18:
 #line 288 "bytecode.re"
-{   ADD_BYTE_LEVEL(lvl, lvl->spaces + 1, syck_lvl_str); 
+{   ADD_BYTE_LEVEL(lvl, lvl->spaces + 1, syck_lvl_str);
             goto Scalar;
         }
 #line 296 "<stdout>"
@@ -392,7 +392,7 @@ yy28:
 {   CHK_NL(YYCURSOR);
             if ( lvl->status == syck_lvl_seq )
             {
-                return YAML_INDENT; 
+                return YAML_INDENT;
             }
             else if ( lvl->status == syck_lvl_map )
             {
@@ -434,12 +434,12 @@ yy33:
                 FORCE_NEXT_TOKEN( '}' );
                 return '{';
             }
-            
+
             POP_LEVEL();
             lvl = CURRENT_LEVEL();
             if ( lvl->status == syck_lvl_seq )
             {
-                FORCE_NEXT_TOKEN(YAML_INDENT);   
+                FORCE_NEXT_TOKEN(YAML_INDENT);
             }
             else if ( lvl->status == syck_lvl_map )
             {
@@ -494,7 +494,7 @@ yy39:
             {
                 complex = 1;
             }
-            ADD_BYTE_LEVEL(lvl, lvl->spaces + 1, syck_lvl_map); 
+            ADD_BYTE_LEVEL(lvl, lvl->spaces + 1, syck_lvl_map);
             CHK_NL(YYCURSOR);
             if ( complex )
             {
@@ -990,7 +990,7 @@ yy70:	++YYCURSOR;
 yy71:
 #line 461 "bytecode.re"
 {   YYCURSOR = tok;
-            goto ScalarEnd; 
+            goto ScalarEnd;
         }
 #line 996 "<stdout>"
 yy72:	++YYCURSOR;
@@ -1001,7 +1001,7 @@ yy72:	++YYCURSOR;
 yy73:
 #line 469 "bytecode.re"
 {   CAT(str, cap, idx, tok[0]);
-            goto Scalar2; 
+            goto Scalar2;
         }
 #line 1007 "<stdout>"
 yy74:	++YYCURSOR;
@@ -1071,7 +1071,7 @@ yy84:
 #line 456 "bytecode.re"
 {   CHK_NL(tok+1);
             CAT(str, cap, idx, '\0');
-            goto Scalar2; 
+            goto Scalar2;
         }
 #line 1077 "<stdout>"
 }
@@ -1139,7 +1139,7 @@ yy89:	++YYCURSOR;
 yy90:
 #line 515 "bytecode.re"
 {   CAT(str, cap, idx, tok[0]);
-                goto Inline; 
+                goto Inline;
             }
 #line 1145 "<stdout>"
 yy91:	++YYCURSOR;
diff --git a/ext/syck/emitter.c b/ext/syck/emitter.c
index 18f2cdefef..eb01033653 100644
--- a/ext/syck/emitter.c
+++ b/ext/syck/emitter.c
@@ -4,9 +4,9 @@
  * $Author$
  *
  * Copyright (C) 2003 why the lucky stiff
- * 
+ *
  * All Base64 code from Ruby's pack.c.
- * Ruby is Copyright (C) 1993-2007 Yukihiro Matsumoto 
+ * Ruby is Copyright (C) 1993-2007 Yukihiro Matsumoto
  */
 #include "ruby/ruby.h"
 
@@ -17,7 +17,7 @@
 
 #define DEFAULT_ANCHOR_FORMAT "id%03d"
 
-const char hex_table[] = 
+const char hex_table[] =
 "0123456789ABCDEF";
 static char b64_table[] =
 "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
@@ -131,7 +131,7 @@ syck_new_emitter(void)
     e->output_handler = NULL;
     e->lvl_idx = 0;
     e->lvl_capa = ALLOC_CT;
-    e->levels = S_ALLOC_N( SyckLevel, e->lvl_capa ); 
+    e->levels = S_ALLOC_N( SyckLevel, e->lvl_capa );
     syck_emitter_reset_levels( e );
     e->bonus = NULL;
     return e;
@@ -197,7 +197,7 @@ syck_emitter_pop_level( SyckEmitter *e )
     free( e->levels[e->lvl_idx].domain );
 }
 
-void 
+void
 syck_emitter_add_level( SyckEmitter *e, int len, enum syck_level_status status )
 {
     ASSERT( e != NULL );
@@ -289,7 +289,7 @@ syck_emitter_write( SyckEmitter *e, const char *str, long len )
     {
         syck_emitter_clear( e );
     }
-    
+
     /*
      * Flush if at end of buffer
      */
@@ -360,7 +360,7 @@ syck_emit( SyckEmitter *e, st_data_t n )
     int indent = 0;
     long x = 0;
     SyckLevel *lvl = syck_emitter_current_level( e );
-    
+
     /*
      * Determine headers.
      */
@@ -485,7 +485,7 @@ void syck_emit_tag( SyckEmitter *e, const char *tag, const char *ignore )
     lvl->anctag = 1;
 }
 
-/* 
+/*
  * Emit a newline and an appropriately spaced indent.
  */
 void syck_emit_indent( SyckEmitter *e )
@@ -569,7 +569,7 @@ syck_scan_scalar( int req_width, const char *cursor, long len )
     } else if ( len > 1 && cursor[len-2] == '\n' ) {
         flags |= SCAN_MANYNL_E;
     }
-    if ( 
+    if (
         ( len > 0 && ( cursor[0] == ' ' || cursor[0] == '\t' ) ) ||
         ( len > 1 && ( cursor[len-1] == ' ' || cursor[len-1] == '\t' ) )
     ) {
@@ -594,7 +594,7 @@ syck_scan_scalar( int req_width, const char *cursor, long len )
             flags |= SCAN_NEWLINE;
             if ( len - i >= 3 && strncmp( &cursor[i+1], "---", 3 ) == 0 )
                 flags |= SCAN_DOCSEP;
-            if ( cursor[i+1] == ' ' || cursor[i+1] == '\t' ) 
+            if ( cursor[i+1] == ' ' || cursor[i+1] == '\t' )
                 flags |= SCAN_INDENTED;
             if ( req_width > 0 && i - start > req_width )
                 flags |= SCAN_WIDE;
@@ -618,12 +618,12 @@ syck_scan_scalar( int req_width, const char *cursor, long len )
         }
         /* remember, if plain collections get implemented, to add nb-plain-flow-char */
         else if ( ( cursor[i] == ' ' && cursor[i+1] == '#' ) ||
-                  ( cursor[i] == ':' && 
+                  ( cursor[i] == ':' &&
                     ( cursor[i+1] == ' ' || cursor[i+1] == '\n' || i == len - 1 ) ) )
         {
             flags |= SCAN_INDIC_C;
         }
-        else if ( cursor[i] == ',' && 
+        else if ( cursor[i] == ',' &&
                   ( cursor[i+1] == ' ' || cursor[i+1] == '\n' || i == len - 1 ) )
         {
             flags |= SCAN_FLOWMAP;
@@ -647,12 +647,12 @@ void syck_emit_scalar( SyckEmitter *e, const char *tag, enum scalar_style force_
     int scan = 0;
     const char *match_implicit;
     char *implicit;
-    
+
     if ( str == NULL ) str = "";
 
     /* No empty nulls as map keys */
-    if ( len == 0 && ( parent->status == syck_lvl_map || parent->status == syck_lvl_imap ) && 
-         parent->ncount % 2 == 1 && syck_tagcmp( tag, "tag:yaml.org,2002:null" ) == 0 ) 
+    if ( len == 0 && ( parent->status == syck_lvl_map || parent->status == syck_lvl_imap ) &&
+         parent->ncount % 2 == 1 && syck_tagcmp( tag, "tag:yaml.org,2002:null" ) == 0 )
     {
         str = "~";
         len = 1;
@@ -668,8 +668,8 @@ void syck_emit_scalar( SyckEmitter *e, const char *tag, enum scalar_style force_
     } else {
         /* complex key */
         if ( parent->status == syck_lvl_map && parent->ncount % 2 == 1 &&
-             ( !( tag == NULL || 
-             ( implicit != NULL && syck_tagcmp( tag, implicit ) == 0 && e->explicit_typing == 0 ) ) ) ) 
+             ( !( tag == NULL ||
+             ( implicit != NULL && syck_tagcmp( tag, implicit ) == 0 && e->explicit_typing == 0 ) ) ) )
         {
             syck_emitter_write( e, "? ", 2 );
             parent->status = syck_lvl_mapx;
diff --git a/ext/syck/gram.c b/ext/syck/gram.c
index 615a594f61..8fe4e4f3b5 100644
--- a/ext/syck/gram.c
+++ b/ext/syck/gram.c
@@ -1216,7 +1216,7 @@ yyreduce:
 
   case 8:
 #line 76 "gram.y"
-    { 
+    {
             syck_add_transfer( yyvsp[-1].name, yyvsp[0].nodeData, ((SyckParser *)parser)->taguri_expansion );
             yyval.nodeData = yyvsp[0].nodeData;
         }
@@ -1232,7 +1232,7 @@ yyreduce:
 
   case 10:
 #line 86 "gram.y"
-    { 
+    {
            /*
             * _Anchors_: The language binding must keep a separate symbol table
             * for anchors.  The actual ID in the symbol table is returned to the
@@ -1266,7 +1266,7 @@ yyreduce:
 
   case 16:
 #line 114 "gram.y"
-    { 
+    {
                    if ( ((SyckParser *)parser)->implicit_typing == 1 )
                    {
                       try_tag_implicit( yyvsp[0].nodeData, ((SyckParser *)parser)->taguri_expansion );
@@ -1277,7 +1277,7 @@ yyreduce:
 
   case 17:
 #line 122 "gram.y"
-    { 
+    {
                     syck_add_transfer( yyvsp[-1].name, yyvsp[0].nodeData, ((SyckParser *)parser)->taguri_expansion );
                     yyval.nodeData = yyvsp[0].nodeData;
                 }
@@ -1293,7 +1293,7 @@ yyreduce:
 
   case 19:
 #line 132 "gram.y"
-    { 
+    {
                    /*
                     * _Anchors_: The language binding must keep a separate symbol table
                     * for anchors.  The actual ID in the symbol table is returned to the
@@ -1305,7 +1305,7 @@ yyreduce:
 
   case 26:
 #line 165 "gram.y"
-    { 
+    {
                syck_add_transfer( yyvsp[-1].name, yyvsp[0].nodeData, ((SyckParser *)parser)->taguri_expansion );
                yyval.nodeData = yyvsp[0].nodeData;
             }
@@ -1313,7 +1313,7 @@ yyreduce:
 
   case 27:
 #line 170 "gram.y"
-    { 
+    {
                syck_add_transfer( yyvsp[-1].name, yyvsp[0].nodeData, 0 );
                yyval.nodeData = yyvsp[0].nodeData;
             }
@@ -1321,7 +1321,7 @@ yyreduce:
 
   case 28:
 #line 175 "gram.y"
-    { 
+    {
                if ( ((SyckParser *)parser)->implicit_typing == 1 )
                {
                   try_tag_implicit( yyvsp[0].nodeData, ((SyckParser *)parser)->taguri_expansion );
@@ -1332,7 +1332,7 @@ yyreduce:
 
   case 29:
 #line 183 "gram.y"
-    { 
+    {
                yyval.nodeData = syck_hdlr_add_anchor( (SyckParser *)parser, yyvsp[-1].name, yyvsp[0].nodeData );
             }
     break;
@@ -1350,7 +1350,7 @@ yyreduce:
 
   case 31:
 #line 195 "gram.y"
-    { 
+    {
                SyckNode *n = yyvsp[0].nodeData;
                if ( ((SyckParser *)parser)->taguri_expansion == 1 )
                {
@@ -1373,28 +1373,28 @@ yyreduce:
 
   case 39:
 #line 229 "gram.y"
-    { 
+    {
                     yyval.nodeData = yyvsp[-1].nodeData;
                 }
     break;
 
   case 40:
 #line 233 "gram.y"
-    { 
+    {
                     yyval.nodeData = yyvsp[-1].nodeData;
                 }
     break;
 
   case 41:
 #line 239 "gram.y"
-    { 
+    {
                     yyval.nodeId = syck_hdlr_add_node( (SyckParser *)parser, yyvsp[0].nodeData );
                 }
     break;
 
   case 42:
 #line 245 "gram.y"
-    { 
+    {
                     syck_add_transfer( yyvsp[-2].name, yyvsp[0].nodeData, ((SyckParser *)parser)->taguri_expansion );
                     yyval.nodeData = yyvsp[0].nodeData;
                 }
@@ -1402,7 +1402,7 @@ yyreduce:
 
   case 43:
 #line 250 "gram.y"
-    { 
+    {
                     syck_add_transfer( yyvsp[-1].name, yyvsp[0].nodeData, ((SyckParser *)parser)->taguri_expansion );
                     yyval.nodeData = yyvsp[0].nodeData;
                 }
@@ -1410,7 +1410,7 @@ yyreduce:
 
   case 44:
 #line 255 "gram.y"
-    { 
+    {
                     syck_add_transfer( yyvsp[-2].name, yyvsp[0].nodeData, 0 );
                     yyval.nodeData = yyvsp[0].nodeData;
                 }
@@ -1418,7 +1418,7 @@ yyreduce:
 
   case 45:
 #line 260 "gram.y"
-    { 
+    {
                     syck_add_transfer( yyvsp[-1].name, yyvsp[0].nodeData, 0 );
                     yyval.nodeData = yyvsp[0].nodeData;
                 }
@@ -1426,14 +1426,14 @@ yyreduce:
 
   case 46:
 #line 265 "gram.y"
-    { 
+    {
                     yyval.nodeData = syck_hdlr_add_anchor( (SyckParser *)parser, yyvsp[-2].name, yyvsp[0].nodeData );
                 }
     break;
 
   case 47:
 #line 269 "gram.y"
-    { 
+    {
                     yyval.nodeData = syck_hdlr_add_anchor( (SyckParser *)parser, yyvsp[-1].name, yyvsp[0].nodeData );
                 }
     break;
@@ -1447,7 +1447,7 @@ yyreduce:
 
   case 49:
 #line 279 "gram.y"
-    { 
+    {
                     syck_seq_add( yyvsp[-2].nodeData, yyvsp[0].nodeId );
                     yyval.nodeData = yyvsp[-2].nodeData;
 				}
@@ -1455,21 +1455,21 @@ yyreduce:
 
   case 50:
 #line 284 "gram.y"
-    { 
+    {
                     yyval.nodeData = yyvsp[-1].nodeData;
 				}
     break;
 
   case 51:
 #line 293 "gram.y"
-    { 
+    {
                     yyval.nodeData = yyvsp[-1].nodeData;
                 }
     break;
 
   case 52:
 #line 297 "gram.y"
-    { 
+    {
                     yyval.nodeData = syck_alloc_seq();
                 }
     break;
@@ -1483,7 +1483,7 @@ yyreduce:
 
   case 54:
 #line 307 "gram.y"
-    { 
+    {
                     syck_seq_add( yyvsp[-2].nodeData, syck_hdlr_add_node( (SyckParser *)parser, yyvsp[0].nodeData ) );
                     yyval.nodeData = yyvsp[-2].nodeData;
 				}
@@ -1491,7 +1491,7 @@ yyreduce:
 
   case 57:
 #line 321 "gram.y"
-    { 
+    {
                     apply_seq_in_map( (SyckParser *)parser, yyvsp[-1].nodeData );
                     yyval.nodeData = yyvsp[-1].nodeData;
                 }
@@ -1499,7 +1499,7 @@ yyreduce:
 
   case 58:
 #line 326 "gram.y"
-    { 
+    {
                     apply_seq_in_map( (SyckParser *)parser, yyvsp[-1].nodeData );
                     yyval.nodeData = yyvsp[-1].nodeData;
                 }
@@ -1507,7 +1507,7 @@ yyreduce:
 
   case 59:
 #line 333 "gram.y"
-    { 
+    {
                     syck_add_transfer( yyvsp[-2].name, yyvsp[0].nodeData, ((SyckParser *)parser)->taguri_expansion );
                     yyval.nodeData = yyvsp[0].nodeData;
                 }
@@ -1515,7 +1515,7 @@ yyreduce:
 
   case 60:
 #line 338 "gram.y"
-    { 
+    {
                     syck_add_transfer( yyvsp[-1].name, yyvsp[0].nodeData, ((SyckParser *)parser)->taguri_expansion );
                     yyval.nodeData = yyvsp[0].nodeData;
                 }
@@ -1523,7 +1523,7 @@ yyreduce:
 
   case 61:
 #line 343 "gram.y"
-    { 
+    {
                     syck_add_transfer( yyvsp[-2].name, yyvsp[0].nodeData, 0 );
                     yyval.nodeData = yyvsp[0].nodeData;
                 }
@@ -1531,7 +1531,7 @@ yyreduce:
 
   case 62:
 #line 348 "gram.y"
-    { 
+    {
                     syck_add_transfer( yyvsp[-1].name, yyvsp[0].nodeData, 0 );
                     yyval.nodeData = yyvsp[0].nodeData;
                 }
@@ -1539,14 +1539,14 @@ yyreduce:
 
   case 63:
 #line 353 "gram.y"
-    { 
+    {
                     yyval.nodeData = syck_hdlr_add_anchor( (SyckParser *)parser, yyvsp[-2].name, yyvsp[0].nodeData );
                 }
     break;
 
   case 64:
 #line 357 "gram.y"
-    { 
+    {
                     yyval.nodeData = syck_hdlr_add_anchor( (SyckParser *)parser, yyvsp[-1].name, yyvsp[0].nodeData );
                 }
     break;
@@ -1561,8 +1561,8 @@ yyreduce:
   case 68:
 #line 380 "gram.y"
     {
-                    yyval.nodeData = syck_new_map( 
-                        syck_hdlr_add_node( (SyckParser *)parser, yyvsp[-2].nodeData ), 
+                    yyval.nodeData = syck_new_map(
+                        syck_hdlr_add_node( (SyckParser *)parser, yyvsp[-2].nodeData ),
                         syck_hdlr_add_node( (SyckParser *)parser, yyvsp[0].nodeData ) );
                 }
     break;
@@ -1603,8 +1603,8 @@ yyreduce:
   case 73:
 #line 427 "gram.y"
     {
-                    yyval.nodeData = syck_new_map( 
-                        syck_hdlr_add_node( (SyckParser *)parser, yyvsp[-2].nodeData ), 
+                    yyval.nodeData = syck_new_map(
+                        syck_hdlr_add_node( (SyckParser *)parser, yyvsp[-2].nodeData ),
                         syck_hdlr_add_node( (SyckParser *)parser, yyvsp[0].nodeData ) );
                 }
     break;
@@ -1637,8 +1637,8 @@ yyreduce:
 #line 455 "gram.y"
     {
                     NULL_NODE( parser, n );
-                    yyval.nodeData = syck_new_map( 
-                        syck_hdlr_add_node( (SyckParser *)parser, yyvsp[0].nodeData ), 
+                    yyval.nodeData = syck_new_map(
+                        syck_hdlr_add_node( (SyckParser *)parser, yyvsp[0].nodeData ),
                         syck_hdlr_add_node( (SyckParser *)parser, n ) );
                 }
     break;
diff --git a/ext/syck/handler.c b/ext/syck/handler.c
index d76a72e5cc..40f5ef27d0 100644
--- a/ext/syck/handler.c
+++ b/ext/syck/handler.c
@@ -9,12 +9,12 @@
 #include "ruby/ruby.h"
 #include "syck.h"
 
-SYMID 
+SYMID
 syck_hdlr_add_node( SyckParser *p, SyckNode *n )
 {
     SYMID id;
 
-    if ( ! n->id ) 
+    if ( ! n->id )
     {
         n->id = (p->handler)( p, n );
     }
@@ -89,7 +89,7 @@ syck_hdlr_get_anchor( SyckParser *p, char *a )
         if ( st_lookup( p->anchors, (st_data_t)a, (void *)&n ) )
         {
             if ( n != (void *)1 )
-            {    
+            {
                 S_FREE( a );
                 return n;
             }
@@ -116,7 +116,7 @@ syck_hdlr_get_anchor( SyckParser *p, char *a )
     if ( n->anchor )
     {
         S_FREE( a );
-    } 
+    }
     else
     {
         n->anchor = a;
@@ -165,7 +165,7 @@ syck_taguri( const char *domain, const char *type_id, int type_len )
     return uri;
 }
 
-int 
+int
 syck_try_implicit( SyckNode *n )
 {
     return 1;
diff --git a/ext/syck/node.c b/ext/syck/node.c
index fb98f655cc..35c1f45150 100644
--- a/ext/syck/node.c
+++ b/ext/syck/node.c
@@ -59,7 +59,7 @@ syck_alloc_map(void)
 
     n = syck_alloc_node( syck_map_kind );
     n->data.pairs = m;
-    
+
     return n;
 }
 
@@ -94,7 +94,7 @@ syck_alloc_str(void)
 
     n = syck_alloc_node( syck_str_kind );
     n->data.str = s;
-    
+
     return n;
 }
 
@@ -128,7 +128,7 @@ syck_replace_str( SyckNode *n, char *str, enum scalar_style style )
 void
 syck_replace_str2( SyckNode *n, char *str, long len, enum scalar_style style )
 {
-    if ( n->data.str->ptr != NULL ) 
+    if ( n->data.str->ptr != NULL )
     {
         S_FREE( n->data.str->ptr );
         n->data.str->ptr = NULL;
@@ -201,7 +201,7 @@ syck_map_add( SyckNode *map, SYMID key, SYMID value )
 
     ASSERT( map != NULL );
     ASSERT( map->data.pairs != NULL );
-    
+
     m = map->data.pairs;
     idx = m->idx;
     m->idx += 1;
@@ -226,7 +226,7 @@ syck_map_update( SyckNode *map1, SyckNode *map2 )
     m1 = map1->data.pairs;
     m2 = map2->data.pairs;
     if ( m2->idx < 1 ) return;
-        
+
     new_idx = m1->idx;
     new_idx += m2->idx;
     new_capa = m1->capa;
@@ -242,8 +242,8 @@ syck_map_update( SyckNode *map1, SyckNode *map2 )
     }
     for ( new_idx = 0; new_idx < m2->idx; m1->idx++, new_idx++ )
     {
-        m1->keys[m1->idx] = m2->keys[new_idx]; 
-        m1->values[m1->idx] = m2->values[new_idx]; 
+        m1->keys[m1->idx] = m2->keys[new_idx];
+        m1->values[m1->idx] = m2->values[new_idx];
     }
 }
 
@@ -324,7 +324,7 @@ syck_seq_add( SyckNode *arr, SYMID value )
 
     ASSERT( arr != NULL );
     ASSERT( arr->data.list != NULL );
-    
+
     s = arr->data.list;
     idx = s->idx;
     s->idx += 1;
@@ -374,7 +374,7 @@ syck_free_members( SyckNode *n )
     switch ( n->kind  )
     {
         case syck_str_kind:
-            if ( n->data.str != NULL ) 
+            if ( n->data.str != NULL )
             {
                 S_FREE( n->data.str->ptr );
                 n->data.str->ptr = NULL;
diff --git a/ext/syck/rubyext.c b/ext/syck/rubyext.c
index da741d687c..af52976ff1 100644
--- a/ext/syck/rubyext.c
+++ b/ext/syck/rubyext.c
@@ -196,7 +196,7 @@ VALUE
 syck_get_hash_aref(VALUE hsh, VALUE key)
 {
    VALUE val = rb_hash_aref( hsh, key );
-   if ( NIL_P( val ) ) 
+   if ( NIL_P( val ) )
    {
        val = rb_hash_new();
        rb_hash_aset(hsh, key, val);
@@ -537,11 +537,11 @@ yaml_org_handler( SyckNode *n, VALUE *ref )
                 obj = rb_funcall( cDefaultKey, s_new, 0 );
             }
             else if ( n->data.str->style == scalar_plain &&
-                      n->data.str->len > 1 && 
+                      n->data.str->len > 1 &&
                       strncmp( n->data.str->ptr, ":", 1 ) == 0 )
             {
-                obj = rb_funcall( oDefaultResolver, s_transfer, 2, 
-                                  rb_str_new2( "tag:ruby.yaml.org,2002:sym" ), 
+                obj = rb_funcall( oDefaultResolver, s_transfer, 2,
+                                  rb_str_new2( "tag:ruby.yaml.org,2002:sym" ),
                                   rb_str_new( n->data.str->ptr + 1, n->data.str->len - 1 ) );
             }
             else if ( strcmp( type_id, "str" ) == 0 )
@@ -644,7 +644,7 @@ rb_syck_load_handler(SyckParser *p, SyckNode *n)
     }
 
     /*
-     * Create node, 
+     * Create node,
      */
     obj = rb_funcall( resolver, s_node_import, 1, Data_Wrap_Struct( cNode, NULL, NULL, n ) );
 
@@ -680,8 +680,8 @@ rb_syck_err_handler(SyckParser *p, const char *msg)
     rb_raise(rb_eArgError, "%s on line %d, col %"PRIdPTRDIFF": `%s'",
            msg,
            p->linect,
-           p->cursor - p->lineptr, 
-           p->lineptr); 
+           p->cursor - p->lineptr,
+           p->lineptr);
 }
 
 /*
@@ -715,7 +715,7 @@ syck_set_model(VALUE p, VALUE input, VALUE model)
 
     if ( NIL_P( input ) )
     {
-        input = rb_ivar_get( p, s_input ); 
+        input = rb_ivar_get( p, s_input );
     }
     if ( input == sym_bytecode )
     {
@@ -773,7 +773,7 @@ rb_syck_free_parser(SyckParser *p)
  * YAML::Syck::Parser.allocate
  */
 VALUE syck_parser_s_alloc _((VALUE));
-VALUE 
+VALUE
 syck_parser_s_alloc(VALUE class)
 {
     VALUE pobj;
@@ -880,7 +880,7 @@ syck_parser_load_documents(int argc, VALUE *argv, VALUE self)
     model = rb_hash_aref( rb_attr_get( self, s_options ), sym_model );
     Data_Get_Struct(self, SyckParser, parser);
     syck_set_model( self, input, model );
-    
+
     bonus = (struct parser_xtra *)parser->bonus;
     bonus->taint = syck_parser_assign_io(parser, &port);
     bonus->resolver = rb_attr_get( self, s_resolver );
@@ -947,7 +947,7 @@ syck_resolver_use_types_at(VALUE self, VALUE hsh)
 }
 
 /*
- * YAML::Syck::Resolver#detect_implicit 
+ * YAML::Syck::Resolver#detect_implicit
  */
 VALUE
 syck_resolver_detect_implicit(VALUE self, VALUE val)
@@ -1075,7 +1075,7 @@ syck_const_find(VALUE const_name)
 VALUE
 syck_resolver_transfer(VALUE self, VALUE type, VALUE val)
 {
-    if (NIL_P(type) || RSTRING_LEN(StringValue(type)) == 0) 
+    if (NIL_P(type) || RSTRING_LEN(StringValue(type)) == 0)
     {
         type = rb_funcall( self, s_detect_implicit, 1, val );
     }
@@ -1123,7 +1123,7 @@ syck_resolver_transfer(VALUE self, VALUE type, VALUE val)
                         subclass = rb_funcall( target_class, s_tag_read_class, 1, subclass );
                         subclass_v = syck_const_find( subclass );
 
-                        if ( subclass_v != Qnil ) 
+                        if ( subclass_v != Qnil )
                         {
                             subclass = subclass_v;
                         }
@@ -1177,7 +1177,7 @@ syck_resolver_transfer(VALUE self, VALUE type, VALUE val)
                     rb_block_call( val, s_each, 0, 0, syck_set_ivars, obj );
                 }
             }
-            else 
+            else
             {
                 VALUE parts = rb_str_split( type, ":" );
                 VALUE scheme = rb_ary_shift( parts );
@@ -1219,7 +1219,7 @@ syck_resolver_tagurize(VALUE self, VALUE val)
 }
 
 /*
- * YAML::Syck::DefaultResolver#detect_implicit 
+ * YAML::Syck::DefaultResolver#detect_implicit
  */
 VALUE
 syck_defaultresolver_detect_implicit(VALUE self, VALUE val)
@@ -1278,19 +1278,19 @@ syck_genericresolver_node_import(VALUE self, VALUE node)
             if ( n->data.str->style == scalar_1quote )
             {
                 style = sym_1quote;
-            } 
+            }
             else if ( n->data.str->style == scalar_2quote )
             {
                 style = sym_2quote;
-            } 
+            }
             else if ( n->data.str->style == scalar_fold )
             {
                 style = sym_fold;
-            } 
+            }
             else if ( n->data.str->style == scalar_literal )
             {
                 style = sym_literal;
-            } 
+            }
             else if ( n->data.str->style == scalar_plain )
             {
                 style = sym_plain;
@@ -1308,7 +1308,7 @@ syck_genericresolver_node_import(VALUE self, VALUE node)
             if ( n->data.list->style == seq_inline )
             {
                 style = sym_inline;
-            } 
+            }
             obj = rb_funcall( cSeq, s_new, 3, t, v, style );
             rb_iv_set(obj, "@kind", sym_seq);
         break;
@@ -1322,7 +1322,7 @@ syck_genericresolver_node_import(VALUE self, VALUE node)
             if ( n->data.pairs->style == map_inline )
             {
                 style = sym_inline;
-            } 
+            }
             obj = rb_funcall( cMap, s_new, 3, t, v, style );
             rb_iv_set(obj, "@kind", sym_map);
         break;
@@ -1347,8 +1347,8 @@ syck_badalias_initialize(VALUE self, VALUE val)
 VALUE
 syck_badalias_cmp(VALUE alias1, VALUE alias2)
 {
-    VALUE str1 = rb_ivar_get( alias1, s_name ); 
-    VALUE str2 = rb_ivar_get( alias2, s_name ); 
+    VALUE str1 = rb_ivar_get( alias1, s_name );
+    VALUE str2 = rb_ivar_get( alias2, s_name );
     VALUE val = rb_funcall( str1, s_cmp, 1, str2 );
     return val;
 }
@@ -1459,23 +1459,23 @@ syck_scalar_style_set(VALUE self, VALUE style)
     if ( NIL_P( style ) )
     {
         node->data.str->style = scalar_none;
-    } 
+    }
     else if ( style == sym_1quote )
     {
         node->data.str->style = scalar_1quote;
-    } 
+    }
     else if ( style == sym_2quote )
     {
         node->data.str->style = scalar_2quote;
-    } 
+    }
     else if ( style == sym_fold )
     {
         node->data.str->style = scalar_fold;
-    } 
+    }
     else if ( style == sym_literal )
     {
         node->data.str->style = scalar_literal;
-    } 
+    }
     else if ( style == sym_plain )
     {
         node->data.str->style = scalar_plain;
@@ -1587,7 +1587,7 @@ syck_seq_style_set(VALUE self, VALUE style)
     if ( style == sym_inline )
     {
         node->data.list->style = seq_inline;
-    } 
+    }
     else
     {
         node->data.list->style = seq_none;
@@ -1709,7 +1709,7 @@ syck_map_style_set(VALUE self, VALUE style)
     if ( style == sym_inline )
     {
         node->data.pairs->style = map_inline;
-    } 
+    }
     else
     {
         node->data.pairs->style = map_none;
@@ -1865,7 +1865,7 @@ rb_syck_emitter_handler(SyckEmitter *e, st_data_t data)
 /*
  * Handle output from the emitter
  */
-void 
+void
 rb_syck_output_handler(SyckEmitter * emitter, char *str, long len)
 {
     struct emitter_xtra *bonus = (struct emitter_xtra *)emitter->bonus;
@@ -1921,7 +1921,7 @@ rb_syck_free_emitter(SyckEmitter *e)
  * YAML::Syck::Emitter.allocate
  */
 VALUE syck_emitter_s_alloc _((VALUE));
-VALUE 
+VALUE
 syck_emitter_s_alloc(VALUE class)
 {
     VALUE pobj;
@@ -1982,7 +1982,7 @@ syck_emitter_reset(int argc, VALUE *argv, VALUE self)
         Check_Type(options, T_HASH);
         rb_ivar_set(self, s_options, options);
     }
-    
+
     emitter->headless = 0;
     rb_ivar_set(self, s_level, INT2FIX(0));
     rb_ivar_set(self, s_resolver, Qnil);
@@ -2018,14 +2018,14 @@ syck_emitter_emit(int argc, VALUE *argv, VALUE self)
     /* Second pass, build emitted string */
     level -= 1;
     rb_ivar_set(self, s_level, INT2FIX(level));
-    if ( level == 0 ) 
+    if ( level == 0 )
     {
         syck_emit(emitter, (st_data_t)symple);
         syck_emitter_flush(emitter, 0);
 
         return bonus->port;
     }
-    
+
     return symple;
 }
 
diff --git a/ext/syck/syck.c b/ext/syck/syck.c
index e0fc2bc244..6ae48a75be 100644
--- a/ext/syck/syck.c
+++ b/ext/syck/syck.c
@@ -17,7 +17,7 @@ void syck_parser_pop_level( SyckParser * );
 /*
  * Custom assert
  */
-void 
+void
 syck_assert( const char *file_name, unsigned line_num, const char *expr )
 {
     fflush( NULL );
@@ -160,7 +160,7 @@ syck_new_parser(void)
     p = S_ALLOC( SyckParser );
     S_MEMZERO( p, SyckParser, 1 );
     p->lvl_capa = ALLOC_CT;
-    p->levels = S_ALLOC_N( SyckLevel, p->lvl_capa ); 
+    p->levels = S_ALLOC_N( SyckLevel, p->lvl_capa );
     p->input_type = syck_yaml_utf8;
     p->io_type = syck_io_str;
     p->io.str = NULL;
@@ -378,7 +378,7 @@ syck_parser_pop_level( SyckParser *p )
     free( p->levels[p->lvl_idx].domain );
 }
 
-void 
+void
 syck_parser_add_level( SyckParser *p, int len, enum syck_level_status status )
 {
     ASSERT( p != NULL );
@@ -403,7 +403,7 @@ free_any_io( SyckParser *p )
     switch ( p->io_type )
     {
         case syck_io_str:
-            if ( p->io.str != NULL ) 
+            if ( p->io.str != NULL )
             {
                 S_FREE( p->io.str );
                 p->io.str = NULL;
@@ -411,7 +411,7 @@ free_any_io( SyckParser *p )
         break;
 
         case syck_io_file:
-            if ( p->io.file != NULL ) 
+            if ( p->io.file != NULL )
             {
                 S_FREE( p->io.file );
                 p->io.file = NULL;
@@ -516,7 +516,7 @@ syck_parse( SyckParser *p )
 void
 syck_default_error_handler( SyckParser *p, const char *msg )
 {
-    printf( "Error at [Line %d, Col %"PRIdPTRDIFF"]: %s\n", 
+    printf( "Error at [Line %d, Col %"PRIdPTRDIFF"]: %s\n",
         p->linect,
         p->cursor - p->lineptr,
         msg );
diff --git a/ext/syck/syck.h b/ext/syck/syck.h
index 488d27e54a..2cf81a8b9a 100644
--- a/ext/syck/syck.h
+++ b/ext/syck/syck.h
@@ -153,7 +153,7 @@ typedef struct _syck_level SyckLevel;
 typedef SYMID (*SyckNodeHandler)(SyckParser *, SyckNode *);
 typedef void (*SyckErrorHandler)(SyckParser *, const char *);
 typedef SyckNode * (*SyckBadAnchorHandler)(SyckParser *, char *);
-typedef long (*SyckIoFileRead)(char *, SyckIoFile *, long, long); 
+typedef long (*SyckIoFileRead)(char *, SyckIoFile *, long, long);
 typedef long (*SyckIoStrRead)(char *, SyckIoStr *, long, long);
 
 enum syck_io_type {
@@ -205,7 +205,7 @@ struct _syck_str {
 struct _syck_level {
     /* Indent */
     int spaces;
-    /* Counts nodes emitted at this level, useful for parsing 
+    /* Counts nodes emitted at this level, useful for parsing
      * keys and pairs in bytecode */
     int ncount;
     /* Does node have anchors or tags? */
@@ -265,8 +265,8 @@ struct _syck_parser {
 typedef struct _syck_emitter SyckEmitter;
 typedef struct _syck_emitter_node SyckEmitterNode;
 
-typedef void (*SyckOutputHandler)(SyckEmitter *, char *, long); 
-typedef void (*SyckEmitterHandler)(SyckEmitter *, st_data_t); 
+typedef void (*SyckOutputHandler)(SyckEmitter *, char *, long);
+typedef void (*SyckEmitterHandler)(SyckEmitter *, st_data_t);
 
 enum doc_stage {
     doc_open,
diff --git a/ext/syck/token.c b/ext/syck/token.c
index 1b26e66bdb..1521c5489d 100644
--- a/ext/syck/token.c
+++ b/ext/syck/token.c
@@ -70,7 +70,7 @@
                 if ( reset == 1 ) YYPOS(0); \
                 return YAML_IOPEN; \
             } \
-        } 
+        }
 
 /*
  * Nice little macro to ensure closure of levels.
@@ -278,7 +278,7 @@ sycklex_yaml_utf8( YYSTYPE *sycklval, SyckParser *parser )
 {
     int doc_level = 0;
     syck_parser_ptr = parser;
-    if ( YYCURSOR == NULL ) 
+    if ( YYCURSOR == NULL )
     {
         syck_parser_read( parser );
     }
@@ -331,7 +331,7 @@ yy2:	yyaccept = 0;
 yy3:
 #line 374 "token.re"
 {   YYPOS(0);
-                        goto Document; 
+                        goto Document;
                     }
 #line 337 "<stdout>"
 yy4:	yyaccept = 0;
@@ -344,7 +344,7 @@ yy5:	++YYCURSOR;
 	goto yy6;
 yy6:
 #line 356 "token.re"
-{   eat_comments( parser ); 
+{   eat_comments( parser );
                         goto Header;
                     }
 #line 351 "<stdout>"
@@ -355,7 +355,7 @@ yy8:
 {   SyckLevel *lvl = CURRENT_LEVEL();
                         ENSURE_YAML_IEND(lvl, -1);
                         YYPOS(0);
-                        return 0; 
+                        return 0;
                     }
 #line 361 "<stdout>"
 yy9:	yyaccept = 1;
@@ -364,7 +364,7 @@ yy9:	yyaccept = 1;
 yy10:
 #line 366 "token.re"
 {   GOBBLE_UP_YAML_INDENT( doc_level, YYTOKEN );
-                        goto Header; 
+                        goto Header;
                     }
 #line 370 "<stdout>"
 yy11:	yych = *++YYCURSOR;
@@ -432,15 +432,15 @@ yy24:
 {   SyckLevel *lvl = CURRENT_LEVEL();
                         if ( lvl->status == syck_lvl_header )
                         {
-                            goto Header; 
+                            goto Header;
                         }
                         else
                         {
                             ENSURE_YAML_IEND(lvl, -1);
                             YYPOS(0);
-                            return 0; 
+                            return 0;
                         }
-                        return 0; 
+                        return 0;
                     }
 #line 446 "<stdout>"
 yy25:	++YYCURSOR;
@@ -476,13 +476,13 @@ yy31:
                         if ( lvl->status == syck_lvl_header )
                         {
                             YYPOS(3);
-                            goto Directive; 
+                            goto Directive;
                         }
                         else
                         {
                             ENSURE_YAML_IEND(lvl, -1);
                             YYPOS(0);
-                            return 0; 
+                            return 0;
                         }
                     }
 #line 489 "<stdout>"
@@ -583,7 +583,7 @@ yy39:	++YYCURSOR;
 yy40:
 #line 497 "token.re"
 {   ENSURE_YAML_IOPEN(lvl, doc_level, 1);
-                        goto Plain; 
+                        goto Plain;
                     }
 #line 589 "<stdout>"
 yy41:	++YYCURSOR;
@@ -593,7 +593,7 @@ yy42:
 {   ENSURE_YAML_IOPEN(lvl, doc_level, 1);
                         lvl = CURRENT_LEVEL();
                         ADD_LEVEL(lvl->spaces + 1, syck_lvl_iseq);
-                        return YYTOKEN[0]; 
+                        return YYTOKEN[0];
                     }
 #line 599 "<stdout>"
 yy43:	++YYCURSOR;
@@ -603,7 +603,7 @@ yy44:
 {   ENSURE_YAML_IOPEN(lvl, doc_level, 1);
                         lvl = CURRENT_LEVEL();
                         ADD_LEVEL(lvl->spaces + 1, syck_lvl_imap);
-                        return YYTOKEN[0]; 
+                        return YYTOKEN[0];
                     }
 #line 609 "<stdout>"
 yy45:	++YYCURSOR;
@@ -611,7 +611,7 @@ yy45:	++YYCURSOR;
 yy46:
 #line 432 "token.re"
 {   POP_LEVEL();
-                        return YYTOKEN[0]; 
+                        return YYTOKEN[0];
                     }
 #line 617 "<stdout>"
 yy47:	yyaccept = 1;
@@ -800,7 +800,7 @@ yy58:	++YYCURSOR;
 	goto yy59;
 yy59:
 #line 486 "token.re"
-{   eat_comments( parser ); 
+{   eat_comments( parser );
                         goto Document;
                     }
 #line 807 "<stdout>"
@@ -817,7 +817,7 @@ yy63:
 #line 492 "token.re"
 {   ENSURE_YAML_IEND(lvl, -1);
                         YYPOS(0);
-                        return 0; 
+                        return 0;
                     }
 #line 823 "<stdout>"
 yy64:	yych = *++YYCURSOR;
@@ -859,11 +859,11 @@ yy70:	++YYCURSOR;
 	goto yy71;
 yy71:
 #line 479 "token.re"
-{   if ( is_newline( YYCURSOR - 1 ) ) 
+{   if ( is_newline( YYCURSOR - 1 ) )
                         {
                             YYCURSOR--;
                         }
-                        goto ScalarBlock; 
+                        goto ScalarBlock;
                     }
 #line 869 "<stdout>"
 yy72:	++YYCURSOR;
@@ -1041,14 +1041,14 @@ yy82:
                         FORCE_NEXT_TOKEN(YAML_IOPEN);
                         if ( *YYCURSOR == '#' || is_newline( YYCURSOR ) || is_newline( YYCURSOR - 1 ) )
                         {
-                            YYCURSOR--; 
+                            YYCURSOR--;
                             ADD_LEVEL((YYTOKEN + 1) - YYLINEPTR, syck_lvl_seq);
                         }
                         else /* spaces followed by content uses the space as indentation */
                         {
                             ADD_LEVEL(YYCURSOR - YYLINEPTR, syck_lvl_seq);
                         }
-                        return YYTOKEN[0]; 
+                        return YYTOKEN[0];
                     }
 #line 1054 "<stdout>"
 yy83:	++YYCURSOR;
@@ -1069,8 +1069,8 @@ yy86:	++YYCURSOR;
 yy87:
 #line 436 "token.re"
 {   if ( *YYTOKEN == ':' && lvl->status != syck_lvl_imap ) lvl->status = syck_lvl_map;
-                        YYPOS(1); 
-                        return YYTOKEN[0]; 
+                        YYPOS(1);
+                        return YYTOKEN[0];
                     }
 #line 1076 "<stdout>"
 yy88:	++YYCURSOR;
@@ -1499,7 +1499,7 @@ Plain:
         plvl = CURRENT_LEVEL();
         GET_TRUE_YAML_INDENT(parentIndent);
 
-Plain2: 
+Plain2:
         YYTOKEN = YYCURSOR;
 
 Plain3:
@@ -1564,7 +1564,7 @@ yy113:
                             }
                         }
 
-                        goto Plain2; 
+                        goto Plain2;
                     }
 #line 1570 "<stdout>"
 yy114:	++YYCURSOR;
@@ -1631,13 +1631,13 @@ yy122:	++YYCURSOR;
 	}
 yy123:
 #line 617 "token.re"
-{   if ( qidx == 0 ) 
+{   if ( qidx == 0 )
                         {
                             goto Plain2;
                         }
                         else
                         {
-                            goto Plain3; 
+                            goto Plain3;
                         }
                     }
 #line 1644 "<stdout>"
@@ -1655,7 +1655,7 @@ yy128:	++YYCURSOR;
 	goto yy129;
 yy129:
 #line 611 "token.re"
-{   eat_comments( parser ); 
+{   eat_comments( parser );
                         RETURN_IMPLICIT();
                     }
 #line 1662 "<stdout>"
@@ -1801,7 +1801,7 @@ yy147:
                             }
                         }
 
-                        goto SingleQuote2; 
+                        goto SingleQuote2;
                     }
 #line 1807 "<stdout>"
 yy148:	++YYCURSOR;
@@ -1811,8 +1811,8 @@ yy148:	++YYCURSOR;
 	}
 yy149:
 #line 712 "token.re"
-{   QUOTECAT(qstr, qcapa, qidx, *(YYCURSOR - 1)); 
-                        goto SingleQuote2; 
+{   QUOTECAT(qstr, qcapa, qidx, *(YYCURSOR - 1));
+                        goto SingleQuote2;
                     }
 #line 1818 "<stdout>"
 yy150:	++YYCURSOR;
@@ -1842,7 +1842,7 @@ yy151:
                         n->data.str->len = qidx;
                         n->data.str->style = scalar_1quote;
                         sycklval->nodeData = n;
-                        return YAML_PLAIN; 
+                        return YAML_PLAIN;
                     }
 #line 1848 "<stdout>"
 yy152:	yych = *++YYCURSOR;
@@ -1854,7 +1854,7 @@ yy154:	++YYCURSOR;
 yy155:
 #line 685 "token.re"
 {   QUOTECAT(qstr, qcapa, qidx, '\'');
-                        goto SingleQuote2; 
+                        goto SingleQuote2;
                     }
 #line 1860 "<stdout>"
 yy156:	yyaccept = 0;
@@ -1960,7 +1960,7 @@ yy163:
                         }
 
                         keep_nl = 1;
-                        goto DoubleQuote2; 
+                        goto DoubleQuote2;
                     }
 #line 1966 "<stdout>"
 yy164:	++YYCURSOR;
@@ -1970,8 +1970,8 @@ yy164:	++YYCURSOR;
 	}
 yy165:
 #line 820 "token.re"
-{   QUOTECAT(qstr, qcapa, qidx, *(YYCURSOR - 1)); 
-                        goto DoubleQuote2; 
+{   QUOTECAT(qstr, qcapa, qidx, *(YYCURSOR - 1));
+                        goto DoubleQuote2;
                     }
 #line 1977 "<stdout>"
 yy166:	yyaccept = 1;
@@ -2010,7 +2010,7 @@ yy168:
                         n->data.str->len = qidx;
                         n->data.str->style = scalar_2quote;
                         sycklval->nodeData = n;
-                        return YAML_PLAIN; 
+                        return YAML_PLAIN;
                     }
 #line 2016 "<stdout>"
 yy169:	yych = *++YYCURSOR;
@@ -2038,7 +2038,7 @@ yy175:
 #line 792 "token.re"
 {   keep_nl = 0;
                         YYCURSOR--;
-                        goto DoubleQuote2; 
+                        goto DoubleQuote2;
                     }
 #line 2044 "<stdout>"
 yy176:	yych = *++YYCURSOR;
@@ -2076,7 +2076,7 @@ yy179:
 #line 778 "token.re"
 {   char ch = *( YYCURSOR - 1 );
                         QUOTECAT(qstr, qcapa, qidx, escape_seq( ch ));
-                        goto DoubleQuote2; 
+                        goto DoubleQuote2;
                     }
 #line 2082 "<stdout>"
 yy180:	yych = *++YYCURSOR;
@@ -2113,7 +2113,7 @@ yy182:
                         ch = strtol( chr_text, NULL, 16 );
                         free( chr_text );
                         QUOTECAT(qstr, qcapa, qidx, ch);
-                        goto DoubleQuote2; 
+                        goto DoubleQuote2;
                     }
 #line 2119 "<stdout>"
 yy183:	yyaccept = 0;
@@ -2216,7 +2216,7 @@ yy189:
                             }
                         }
 
-                        return YAML_TRANSFER; 
+                        return YAML_TRANSFER;
                     }
 #line 2222 "<stdout>"
 yy190:	yych = *++YYCURSOR;
@@ -2230,7 +2230,7 @@ yy192:	++YYCURSOR;
 	}
 yy193:
 #line 905 "token.re"
-{   QUOTECAT(qstr, qcapa, qidx, *(YYCURSOR - 1)); 
+{   QUOTECAT(qstr, qcapa, qidx, *(YYCURSOR - 1));
                         goto TransferMethod2;
                     }
 #line 2237 "<stdout>"
@@ -2505,7 +2505,7 @@ yy214:
 #line 1046 "token.re"
 {   YYCURSOR--;
                         POP_LEVEL();
-                        RETURN_YAML_BLOCK(); 
+                        RETURN_YAML_BLOCK();
                     }
 #line 2511 "<stdout>"
 yy215:	yyaccept = 1;
@@ -2636,7 +2636,7 @@ yy233:	++YYCURSOR;
 	}
 yy234:
 #line 1095 "token.re"
-{   goto Comment; 
+{   goto Comment;
                     }
 #line 2642 "<stdout>"
 yy235:	yych = *++YYCURSOR;
@@ -2699,20 +2699,20 @@ newline_len( char *ptr )
 {
     if ( *ptr == '\n' )
         return 1;
-    
+
     if ( *ptr == '\r' && *( ptr + 1 ) == '\n' )
         return 2;
 
     return 0;
 }
 
-int 
+int
 syckwrap()
 {
     return 1;
 }
 
-void 
+void
 syckerror( const char *msg )
 {
     if ( syck_parser_ptr->error_handler == NULL )
diff --git a/ext/syck/yaml2byte.c b/ext/syck/yaml2byte.c
index 1b1ce26c49..390deb6c0d 100644
--- a/ext/syck/yaml2byte.c
+++ b/ext/syck/yaml2byte.c
@@ -7,7 +7,7 @@
  *
  *   WARNING WARNING WARNING  --- THIS IS *NOT JUST* PLAYING
  *   ANYMORE! -- WHY HAS EMBRACED THIS AS THE REAL THING!
- */ 
+ */
 #include "ruby/ruby.h"
 #include <syck.h>
 #include <assert.h>
@@ -35,7 +35,7 @@ typedef struct {
    int  printed;
 } bytestring_t;
 bytestring_t *bytestring_alloc(void) {
-    bytestring_t *ret; 
+    bytestring_t *ret;
     /*TRACE0("bytestring_alloc()");*/
     ret = S_ALLOC(bytestring_t);
     ret->hash   = HASH;
@@ -46,8 +46,8 @@ bytestring_t *bytestring_alloc(void) {
     ret->printed = 0;
     return ret;
 }
-void bytestring_append(bytestring_t *str, char code, 
-                       char *start, char *finish) 
+void bytestring_append(bytestring_t *str, char code,
+                       char *start, char *finish)
 {
     long grow;
     long length = 2;   /* CODE + LF */
@@ -62,14 +62,14 @@ void bytestring_append(bytestring_t *str, char code,
     if(length > str->remaining) {
         grow = (length - str->remaining) + CHUNKSIZE;
         str->remaining += grow;
-        str->length    += grow; 
+        str->length    += grow;
         str->buffer = S_REALLOC_N( str->buffer, char, str->length + 1 );
         assert(str->buffer);
     }
     curr = str->buffer + (str->length - str->remaining);
     *curr = code;
     curr += 1;
-    if(start) 
+    if(start)
         while(start < finish)
             *curr ++ = *start ++;
     *curr = '\n';
@@ -99,7 +99,7 @@ void bytestring_extend(bytestring_t *str, bytestring_t *ext)
         if(length > str->remaining) {
             grow = (length - str->remaining) + CHUNKSIZE;
             str->remaining += grow;
-            str->length    += grow; 
+            str->length    += grow;
             str->buffer = S_REALLOC_N( str->buffer, char, str->length + 1 );
         }
         curr = str->buffer + (str->length - str->remaining);
@@ -176,7 +176,7 @@ syck_yaml2byte_handler(p, n)
                     {
                         bytestring_append(val,YAMLBYTE_NULLCHAR,NULL,NULL);
                     }
-                    else 
+                    else
                     {
                         assert("oops");
                     }
diff --git a/ext/syck/yamlbyte.h b/ext/syck/yamlbyte.h
index 0fe4e7b576..a12a36d79b 100644
--- a/ext/syck/yamlbyte.h
+++ b/ext/syck/yamlbyte.h
@@ -83,11 +83,11 @@ typedef enum {
     YAMLBYTE_E_OTHER     = '?',   /* some other error condition     */
     YAMLBYTE_E_PARSE     = 'P',   /* parse error, check bytecodes   */
 } yamlbyte_result_t;
- 
-typedef const yamlbyte_char_t *yamlbyte_buff_t; 
 
-/* 
- *  The "Instruction" API 
+typedef const yamlbyte_char_t *yamlbyte_buff_t;
+
+/*
+ *  The "Instruction" API
  */
 
 typedef struct yaml_instruction {
@@ -96,7 +96,7 @@ typedef struct yaml_instruction {
     yamlbyte_buff_t finish;  /* open range, *finish is _not_ part */
 } *yamlbyte_inst_t;
 
-/* producer pushes the instruction with one bytecode event to the 
+/* producer pushes the instruction with one bytecode event to the
  * consumer; if the consumer's result is not YAMLBYTE_OK, then
  * the producer should stop */
 typedef
@@ -110,14 +110,14 @@ typedef
  * case the instruction (and is buffer) are owned by the producer and
  * will remain valid till the pull function is called once again;
  * if the instruction is NULL, then there are no more results; and
- * it is important to call the pull function till it returns NULL so 
+ * it is important to call the pull function till it returns NULL so
  * that the producer can clean up its memory allocations */
-typedef 
+typedef
    yamlbyte_result_t
     (*yamlbyte_pull_t)(
       yamlbyte_producer_t self,
       yamlbyte_inst_t *inst   /* to be filled in by the producer */
-    ); 
+    );
 
 /*
  *  Buffer based API
@@ -139,12 +139,12 @@ typedef
  * is set to NULL, then there are no more results; it is important
  * to call the pull function till it returns NULL so that the
  * producer can clean up its memory allocations */
-typedef 
+typedef
    yamlbyte_result_t
     (*yamlbyte_pullbuff_t)(
       yamlbyte_producer_t self,
       yamlbyte_buff_t *buff   /* to be filled in by the producer */
-    ); 
+    );
 
 /* convert a pull interface to a push interface; the reverse process
  * requires threads and thus is language dependent */