Merge pull request #1510 from zickgraf/master

Comment dummy ring declarations for Julia

Author: zickgraf

CAP/PackageInfo.g

@@ -10,7 +10,7 @@ SetPackageInfo( rec(
 
 PackageName := "CAP",
 Subtitle := "Categories, Algorithms, Programming",
-Version := "2023.11-02",
+Version := "2023.11-03",
 Date := (function ( ) if IsBound( GAPInfo.SystemEnvironment.GAP_PKG_RELEASE_DATE ) then return GAPInfo.SystemEnvironment.GAP_PKG_RELEASE_DATE; else return Concatenation( ~.Version{[ 1 .. 4 ]}, "-", ~.Version{[ 6, 7 ]}, "-01" ); fi; end)( ),
 License := "GPL-2.0-or-later",
 

CAP/gap/DummyImplementations.gd

@@ -23,6 +23,9 @@
 #
 ####################################
 
+#= comment for Julia
+# IsRingElement(WithOne) is a union of types, which we cannot subtype
+
 #! @Description
 #!  The ⪆ filter of dummy rings.
 DeclareFilter( "IsDummyRing",
@@ -52,6 +55,7 @@ DeclareFilter( "IsDummyField",
 #!  The ⪆ filter of elements of a dummy commutative ring.
 DeclareFilter( "IsDummyFieldElement",
         IsDummyCommutativeRingElement );
+# =#
 
 ####################################
 #