two small fixes concerning InfoWarning

- fix of wrong GAP syntax (calling `InfoWarning`)

- incorrect GAPDoc reference to the info class

    TB

lib/attr.gd

@@ -16,7 +16,8 @@
 ## value the setter of the attribute is called, to (possibly) store the
 ## computed value. In special circumstances, this behaviour can be altered
 ## dynamically on an attribute-by-attribute basis, using the functions
-## <C>DisableAttributeValueStoring</C> and <C>EnableAttributeValueStoring</C>.
+## <Ref Func="DisableAttributeValueStoring"/> and
+## <Ref Func="EnableAttributeValueStoring"/>.
 ## <P/>
 ## In general, the code in the library assumes, for efficiency, but not for
 ## correctness, that attribute values <E>will</E> be stored (in suitable
@@ -34,7 +35,7 @@
 ## <InfoClass Name="InfoAttributes"/>
 ##
 ## <Description>
-## This info class (together with <Ref Func="InfoWarning"/> is  used
+## This info class (together with <Ref InfoClass="InfoWarning"/> is used
 ## for messages about attribute storing being disabled (at level 2) or
 ## enabled (level 3). It may be used in the future for other messages
 ## concerning changes to attribute behaviour.
@@ -56,7 +57,8 @@ DeclareInfoClass("InfoAttributes");
 ## <Description>
 ## enables the usual call of <C>Setter( <A>attr</A> )</C> when a method for <A>attr</A>
 ## returns a value. In consequence the values may be stored. This will
-## usually have no effect unless <C>DisableAttributeValueStoring</C> has
+## usually have no effect unless
+## <Ref Func="DisableAttributeValueStoring"/> has
 ## previously been used for <A>attr</A>. Note that <A>attr</A> must be an attribute
 ## and <E>not</E> a property.
 ## <Example><![CDATA[

lib/cyclotom.gi

@@ -1540,7 +1540,8 @@ InstallMethod( GaloisMat,
  for j in [ i+1 .. ncha ] do
  if mat[j] = X then
  galoisfams[j]:= Unknown();
- InfoWarning( 1, "GaloisMat: row ", i, " is equal to row ", j );
+ Info( InfoWarning, 1,
+ "GaloisMat: row ", i, " is equal to row ", j );
  fi;
  od;
 

tst/testinstall/cyclotom.tst

@@ -224,6 +224,8 @@ rec( galoisfams := [ [ [ 1, 5 ], [ 1, 10321 ] ], [ [ 2, 6 ], [ 1, 9031 ] ],
 gap> Print(RationalizedMat( gm.mat ),"\n");
 [ [ 2666, -1, -2, 0, 0 ], [ 519550080, 0, 0, 0, 0 ], 
  [ 1770515712, 0, -2, 0, 0 ], [ 4337827830, 0, 0, 0, -1 ] ]
+gap> GaloisMat( [ [ E(3) ], [ E(3) ] ] );;
+#I GaloisMat: row 1 is equal to row 2
 gap> a := -E(4)*2^(8*GAPInfo.BytesPerVariable-4);;
 gap> TNUM_OBJ(COEFFS_CYC(-a)[2]) = T_INTPOS;
 true