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/near

@@ -5,17 +5,17 @@ SYNOPSIS
     near(x, y [,eps])
 
 TYPES
-    x		real
-    y		real
-    eps		0 < real < 1, defaults to epsilon()
+    x           real
+    y           real
+    eps         0 < real < 1, defaults to epsilon()
 
-    return	-1, 0 or 1
+    return      -1, 0 or 1
 
 DESCRIPTION
     Returns:
-	-1	if abs(x - y) < abs(eps)
-	0	if abs(x - y) = abs(eps)
-	1	if abs(x - y) > abs(eps)
+        -1      if abs(x - y) < abs(eps)
+        0       if abs(x - y) = abs(eps)
+        1       if abs(x - y) > abs(eps)
 
 EXAMPLE
     ; print near(22/7, 3.15, .01), near(22/7, 3.15, .005)
@@ -38,7 +38,7 @@ 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
@@ -46,8 +46,8 @@ 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:	1995/10/25 04:03:46
-## File existed as early as:	1995
+## Under source code control:   1995/10/25 04:03:46
+## File existed as early as:    1995
 ##
-## 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/