diff --git a/lib/conf-lex.l b/lib/conf-lex.l
index fdbd2360..02c7447b 100644
--- a/lib/conf-lex.l
+++ b/lib/conf-lex.l
@@ -1,7 +1,7 @@
 %{
 /*
     conf-lex.l - Part of libsensors, a Linux library for reading sensor data.
-    Copyright (c) 1998, 1999  Frodo Looijaard <frodol@dds.nl> 
+    Copyright (c) 1998, 1999  Frodo Looijaard <frodol@dds.nl>
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Lesser General Public
@@ -245,7 +245,7 @@ ignore{BLANK}*	{
 		  if (! sensors_yylval.name)
 		    sensors_fatal_error("conf-lex.l",
                                         "Allocating a new string");
-		  
+
 		  return NAME;
 		}
 
@@ -296,7 +296,7 @@ ignore{BLANK}*	{
 		  BEGIN(ERR);
 		  return ERROR;
 		}
-		
+
 \"		{
 		  buffer_add_char("\0");
 		  sensors_yylval.name = strdup(buffer);
diff --git a/lib/conf-parse.y b/lib/conf-parse.y
index 1937f544..af2e4fdb 100644
--- a/lib/conf-parse.y
+++ b/lib/conf-parse.y
@@ -85,7 +85,7 @@ static sensors_chip *current_chip = NULL;
   sensors_bus_id bus;
   sensors_chip_name chip;
   sensors_config_line line;
-}  
+}
 
 %left <nothing> '-' '+'
 %left <nothing> '*' '/'
@@ -211,13 +211,13 @@ chip_statement:	  CHIP chip_name_list
 		    new_el.ignores_count = new_el.ignores_max = 0;
 		    new_el.chips = $2;
 		    chip_add_el(&new_el);
-		    current_chip = sensors_config_chips + 
+		    current_chip = sensors_config_chips +
 		                   sensors_config_chips_count - 1;
 		  }
 ;
 
 chip_name_list:	  chip_name
-		  { 
+		  {
 		    $$.fits = NULL;
 		    $$.fits_count = $$.fits_max = 0;
 		    fits_add_el(&$1,$$);
@@ -227,14 +227,14 @@ chip_name_list:	  chip_name
 		    fits_add_el(&$2,$$);
 		  }
 ;
-	
-expression:	  FLOAT	
-		  { $$ = malloc_expr(); 
-		    $$->data.val = $1; 
+
+expression:	  FLOAT
+		  { $$ = malloc_expr();
+		    $$->data.val = $1;
 		    $$->kind = sensors_kind_val;
 		  }
 		| NAME
-		  { $$ = malloc_expr(); 
+		  { $$ = malloc_expr();
 		    $$->data.var = $1;
 		    $$->kind = sensors_kind_var;
 		  }
@@ -243,35 +243,35 @@ expression:	  FLOAT
 		    $$->kind = sensors_kind_source;
 		  }
 		| expression '+' expression
-		  { $$ = malloc_expr(); 
+		  { $$ = malloc_expr();
 		    $$->kind = sensors_kind_sub;
 		    $$->data.subexpr.op = sensors_add;
 		    $$->data.subexpr.sub1 = $1;
 		    $$->data.subexpr.sub2 = $3;
 		  }
 		| expression '-' expression
-		  { $$ = malloc_expr(); 
+		  { $$ = malloc_expr();
 		    $$->kind = sensors_kind_sub;
 		    $$->data.subexpr.op = sensors_sub;
 		    $$->data.subexpr.sub1 = $1;
 		    $$->data.subexpr.sub2 = $3;
 		  }
 		| expression '*' expression
-		  { $$ = malloc_expr(); 
+		  { $$ = malloc_expr();
 		    $$->kind = sensors_kind_sub;
 		    $$->data.subexpr.op = sensors_multiply;
 		    $$->data.subexpr.sub1 = $1;
 		    $$->data.subexpr.sub2 = $3;
 		  }
 		| expression '/' expression
-		  { $$ = malloc_expr(); 
+		  { $$ = malloc_expr();
 		    $$->kind = sensors_kind_sub;
 		    $$->data.subexpr.op = sensors_divide;
 		    $$->data.subexpr.sub1 = $1;
 		    $$->data.subexpr.sub2 = $3;
 		  }
 		| '-' expression  %prec NEG
-		  { $$ = malloc_expr(); 
+		  { $$ = malloc_expr();
 		    $$->kind = sensors_kind_sub;
 		    $$->data.subexpr.op = sensors_negate;
 		    $$->data.subexpr.sub1 = $2;
@@ -280,14 +280,14 @@ expression:	  FLOAT
 		| '(' expression ')'
 		  { $$ = $2; }
 		| '^' expression
-		  { $$ = malloc_expr(); 
+		  { $$ = malloc_expr();
 		    $$->kind = sensors_kind_sub;
 		    $$->data.subexpr.op = sensors_exp;
 		    $$->data.subexpr.sub1 = $2;
 		    $$->data.subexpr.sub2 = NULL;
 		  }
 		| '`' expression
-		  { $$ = malloc_expr(); 
+		  { $$ = malloc_expr();
 		    $$->kind = sensors_kind_sub;
 		    $$->data.subexpr.op = sensors_log;
 		    $$->data.subexpr.sub1 = $2;
@@ -318,7 +318,7 @@ string:	  NAME
 ;
 
 chip_name:	  NAME
-		  { int res = sensors_parse_chip_name($1,&$$); 
+		  { int res = sensors_parse_chip_name($1,&$$);
 		    free($1);
 		    if (res) {
 		      sensors_yyerror("Parse error in chip name");