Portability Fix

[Larry Jones]

This should be pretty obvious:

Index: src/preproc/eqn/script.cpp
===================================================================
RCS file: /sources/groff/groff/src/preproc/eqn/script.cpp,v
retrieving revision 1.5
diff -u -r1.5 script.cpp
--- src/preproc/eqn/script.cpp  5 Feb 2007 15:24:56 -0000       1.5
+++ src/preproc/eqn/script.cpp  29 Apr 2008 19:21:40 -0000
@@ -191,7 +191,7 @@
           uid, p->uid);
   }
   else if (output_format == mathml) {
-    if (sup != 0 and sub != 0) {
+    if (sup != 0 && sub != 0) {
       printf("<msubsup>");
       p->output();
       sub->output();

-Larry Jones

If I get a bad grade, it'll be YOUR fault for not doing the work for me!
-- Calvin