remove more references to the Support Library

HalfedgeDS/doc_tex/HalfedgeDS/main.tex

@@ -192,8 +192,8 @@ provided underneath.  It renames face to facet, which is more common
 for three-dimensional surfaces.  The interface is designed to protect
 the integrity of the internal representation, the handles stored in
 the items can no longer directly be written by the user.  The
-polyhedron adds the convenient and efficient circulators, see the
-Support Library Manuals, for accessing the circular sequence of edges
+polyhedron adds the convenient and efficient circulators, see
+\ccc{Circulator}, for accessing the circular sequence of edges
 around a vertex or around a facet. To achieve this, the
 \ccc{Polyhedron_3} derives new vertices, halfedges and facets from those
 provided in \ccc{Items}.  These new items are those actually used in

Kernel_23/doc_tex/Kernel_23/introduction.tex

@@ -46,8 +46,5 @@ arithmetic and implementations guaranteeing exact computation and exact
 results.  
 Of course you have to pay for the exactness in terms of execution time 
 and storage space.  
-See the section on number types in the Support Library
+See the dedicated chapter
 for more details on number types and their capabilities and performance.
-
-
-

Kernel_d/doc_tex/Kernel_d/introduction_d.tex

@@ -41,8 +41,7 @@ choice can be easily changed, e.g.\ for testing.  So you can choose
 between implementations with fast but occasionally inexact arithmetic
 and implementations guaranteeing exact computation and exact results.
 Of course you have to pay for the exactness in terms of execution time
-and storage space.  See the section on number types in the
-\ccAnchor{./support/contents.html}{Support Library} for more details
+and storage space.  See the dedicated chapter for more details
 on number types and their capabilities and performance.
 
 \subsection{Genericity}