[defns.well.formed] remove full stop

Author: timsong-cpp

source/intro.tex

@@ -307,7 +307,7 @@
 \indexdefn{program!well-formed}%
 \definition{well-formed program}{defns.well.formed}
 \Cpp  program constructed according to the syntax rules, diagnosable
-semantic rules, and the one-definition rule\iref{basic.def.odr}.%
+semantic rules, and the one-definition rule\iref{basic.def.odr}%
 \indextext{definitions|)}
 
 \rSec0[intro]{General principles}