convert ASCII TABs to ASCII SPACEs

Converted all ASCII tabs to ASCII spaces using a 8 character
tab stop, for all files, except for all Makefiles (plus rpm.mk).
The `git diff -w` reports no changes.

help/blocks

@@ -5,9 +5,9 @@ SYNOPSIS
     blocks([id])
 
 TYPES
-    id		non-negative integer
+    id          non-negative integer
 
-    return	named block or null value
+    return      named block or null value
 
 DESCRIPTION
     With no argument blocks() returns the number of blocks that have
@@ -22,15 +22,15 @@ EXAMPLE
     ; A = blk("alpha")
     ; B = blk("beta") = {1,2,3}
     ; blocks()
-	2
+        2
     ; blocks(1)
-	block 1: beta
-	chunksize = 256, maxsize = 256, datalen = 3
-	010203
+        block 1: beta
+        chunksize = 256, maxsize = 256, datalen = 3
+        010203
     ; blocks(2)
-	Error E_BLOCKS_2
+        Error E_BLOCKS_2
     ; strerror()
-	"Non-allocated index number for blocks"
+        "Non-allocated index number for blocks"
 
 LIMITS
     none
@@ -49,7 +49,7 @@ SEE ALSO
 ##
 ## Calc is distributed in the hope that it will be useful, but WITHOUT
 ## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
-## or FITNESS FOR A PARTICULAR PURPOSE.	 See the GNU Lesser General
+## or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General
 ## Public License for more details.
 ##
 ## A copy of version 2.1 of the GNU Lesser General Public License is
@@ -57,8 +57,8 @@ SEE ALSO
 ## received a copy with calc; if not, write to Free Software Foundation, Inc.
 ## 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 ##
-## Under source code control:	1997/04/05 13:07:13
-## File existed as early as:	1997
+## Under source code control:   1997/04/05 13:07:13
+## File existed as early as:    1997
 ##
-## chongo <was here> /\oo/\	http://www.isthe.com/chongo/
-## Share and enjoy!  :-)	http://www.isthe.com/chongo/tech/comp/calc/
+## chongo <was here> /\oo/\     http://www.isthe.com/chongo/
+## Share and enjoy!  :-)        http://www.isthe.com/chongo/tech/comp/calc/