[PATCH, doc] Replace tabs with spaces in .texi files.

[Ralf Wildenhues]

Tested 'make info html pdf', OK for trunk?

Thanks,
Ralf

Replace tabs with spaces in .texi files.

gcc/ChangeLog:
2009-12-15  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* doc/extend.texi (Function Attributes, Extended Asm):
	Replace TABs with spaces.
	* doc/md.texi (Standard Names): Likewise.
	* doc/plugins.texi (Plugins): Likewise.

diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi
index 1411a0e..3fa6eb0 100644
--- a/gcc/doc/extend.texi
+++ b/gcc/doc/extend.texi
@@ -2552,14 +2552,14 @@ void __attribute__ ((interrupt, use_shadow_register_set)) v1 ();
 void __attribute__ ((interrupt, keep_interrupts_masked)) v2 ();
 void __attribute__ ((interrupt, use_debug_exception_return)) v3 ();
 void __attribute__ ((interrupt, use_shadow_register_set,
-		     keep_interrupts_masked)) v4 ();
+                     keep_interrupts_masked)) v4 ();
 void __attribute__ ((interrupt, use_shadow_register_set,
-		     use_debug_exception_return)) v5 ();
+                     use_debug_exception_return)) v5 ();
 void __attribute__ ((interrupt, keep_interrupts_masked,
-		     use_debug_exception_return)) v6 ();
+                     use_debug_exception_return)) v6 ();
 void __attribute__ ((interrupt, use_shadow_register_set,
-		     keep_interrupts_masked,
-		     use_debug_exception_return)) v7 ();
+                     keep_interrupts_masked,
+                     use_debug_exception_return)) v7 ();
 @end smallexample
 
 @item interrupt_handler
@@ -5436,9 +5436,9 @@ void doit(void)
   int i = 0;
   asm goto ("mfsr %%r1, 123; jmp %%r1;"
             ".pushsection doit_table;"
-	    ".long %l0, %l1, %l2, %l3;"
-	    ".popsection"
-	    : : : "r1" : label1, label2, label3, label4);
+            ".long %l0, %l1, %l2, %l3;"
+            ".popsection"
+            : : : "r1" : label1, label2, label3, label4);
   __builtin_unreachable ();
 
  label1:
diff --git a/gcc/doc/md.texi b/gcc/doc/md.texi
index 5a92a80..bcdbabc 100644
--- a/gcc/doc/md.texi
+++ b/gcc/doc/md.texi
@@ -5189,7 +5189,7 @@ A typical @code{ctrap} pattern looks like
 (define_insn "ctrapsi4"
   [(trap_if (match_operator 0 "trap_operator"
              [(match_operand 1 "register_operand")
-	      (match_operand 2 "immediate_operand")])
+              (match_operand 2 "immediate_operand")])
             (match_operand 3 "const_int_operand" "i"))]
   ""
   "@dots{}")
diff --git a/gcc/doc/plugins.texi b/gcc/doc/plugins.texi
index 8aac0f7..5562534 100644
--- a/gcc/doc/plugins.texi
+++ b/gcc/doc/plugins.texi
@@ -317,7 +317,7 @@ custom attributes.
 /* Attribute handler callback */
 static tree
 handle_user_attribute (tree *node, tree name, tree args,
-			int flags, bool *no_add_attrs)
+                       int flags, bool *no_add_attrs)
 @{
   return NULL_TREE;
 @}