Fixed unresolved cross-references

doc/ref/grplib.xml

@@ -66,8 +66,7 @@ mentioned below may not be available on your installation.
 for example in using a classification to determine that groups must be
 isomorphic, based on agreement of properties; or to determine maximal
 subgroups or subgroup maximality. This will be indicated by an info message
-of level 2 in the info class
-<Ref Func="InfoPerformance"/>.
+of level 2 in the info class <C>InfoPerformance</C>.
 
 If the calculation is to be independent of such data library use, for
 example if it is used to verify the data library, functions can be called

doc/ref/pperm.xml

@@ -1064,10 +1064,10 @@ gap> AsPartialPerm(f, [ 1, 2, 3 ] );
 <!-- *************************************************************** -->
 
   <ManSection>
-    <Oper Name="AsPartialPerm" Arg="f, set" Label="for a transformation and a
-      set of positive integer"/> 
-    <Meth Name="AsPartialPerm" Arg="f, n" Label="for a transformation and a
-      positive integer"/> 
+    <Oper Name="AsPartialPerm" Arg="f, set" 
+      Label="for a transformation and a set of positive integer"/> 
+    <Meth Name="AsPartialPerm" Arg="f, n" 
+      Label="for a transformation and a positive integer"/> 
   <Returns>A partial permutation or <K>fail</K>.</Returns>
   <Description>
     A transformation <A>f</A> defines a partial permutation when it is

doc/ref/trans.xml

@@ -438,8 +438,8 @@ Transformation( [ 4, 4, 4, 4, 4, 4 ] )
   represented as a transformation.  
   <P/>
 
-  The operations <Ref Oper="AsPermutation"/> and <Ref
-    Oper="AsPartialPerm" Label="for a transformation"/> can be used to
+  The operations <Ref Oper="AsPermutation"/> and <Ref Oper="AsPartialPerm" 
+  Label="for a transformation and a positive integer"/> can be used to
   convert transformations into permutations or partial permutations,
   where appropriate.  In this section we describe functions for
   converting other types of objects into transformations.