Merge branch 'dev' of https://github.com/gap-system/GapWWW into dev

Contacts/History/history.html

@@ -105,34 +105,34 @@ <h3>Old Packages</h3>
 
   <ul>
     <li>Carat - this package has been renamed to
-       <a href="{{ site.baseurl }}/Packages/caratinterface.html">CaratInterface</a>.</li>
+       <a href="https://www.math.uni-bielefeld.de/~gaehler/gap/packages.php">CaratInterface</a>.</li>
     <li>Citrus - this package has been renamed to
-       <a href="{{ site.baseurl }}/Packages/semigroups.html">Semigroups</a>.</li>
+       <a href="https://semigroups.github.io/Semigroups">Semigroups</a>.</li>
     <li>Convex - this package has been superseded by
-       <a href="{{ site.baseurl }}/Packages/nconvex.html">NConvex</a>.</li>
+       <a href="https://homalg-project.github.io/pkg/NConvex">NConvex</a>.</li>
     <li>Gpd - this package has been renamed to
-       <a href="{{ site.baseurl }}/Packages/groupoids.html">groupoids</a>.</li>
+       <a href="https://gap-packages.github.io/groupoids/">groupoids</a>.</li>
     <li>HAPprime - part of 
        the code has been incorporated into the
-       <a href="{{ site.baseurl }}/Packages/hap.html">HAP</a> package. 
+       <a href="https://gap-packages.github.io/hap">HAP</a> package. 
        Its source code repository, containing the code of the 
        last distributed version, can still be found on GitHub
        <a href="https://github.com/gap-packages/happrime">here</a>.</li>
     <li>if - this package has been withdrawn; a better 
        functionality is now included in the newer package
-       <a href="{{ site.baseurl }}/Packages/scscp.html">SCSCP</a>.</li>
+       <a href="https://gap-packages.github.io/hap">SCSCP</a>.</li>
     <li>LAG - the functionality of this package is now included
-      in the newer package <a href="{{ site.baseurl }}/Packages/laguna.html">LAGUNA</a>.</li>
+      in the newer package <a href="https://gap-packages.github.io/laguna">LAGUNA</a>.</li>
     <li>linboxing - this package does not compile for
       several years preceding GAP&nbsp;4.10 release,
       and is unmaintained. It was therefore dropped from the GAP
       package distribution, but the latest sources are available
       <a href="https://github.com/gap-packages/linboxing">here</a>.</li>
     <li>MONOID - the functionality of this package is now included in the
-       newer package <a href="{{ site.baseurl }}/Packages/semigroups.html">Semigroups</a>.</li>
+       newer package <a href="https://semigroups.github.io/Semigroups">Semigroups</a>.</li>
     <li>NQL - this package has been
       withdrawn by the author, and later has been superseded by
-      the package <a href="{{ site.baseurl }}/Packages/lpres.html">lpres</a>.</li>
+      the package <a href="https://gap-packages.github.io/lpres">lpres</a>.</li>
     <li>ParGAP - this package does not compile with GAP 4.9 (see 
       <a href="https://mail.gap-system.org/pipermail/gap/2018-March/001082.html">this announcement</a>).
       Its source code repository, containing the code of the last distributed version, 
@@ -145,7 +145,7 @@ <h3>Old Packages</h3>
       Its source code repository, containing the code of the last distributed version, 
       can still be found on GitHub <a href="https://github.com/gap-packages/qaos">here</a>.</li>
     <li>recogbase - this package has been merged into the
-       <a href="{{ site.baseurl }}/Packages/recog.html">recog</a> package, and
+       <a href="https://gap-packages.github.io/recog">recog</a> package, and
        therefore is no longer distributed with GAP.</li>
   </ul>
 

Contacts/History/preface_2.4.html

@@ -1,7 +1,7 @@
 ---
 title: Preface of GAP 2.4
 layout: core
-grand_parent: Overview of GAP
+grand_parent: Overview
 parent: Some History of GAP
 nav_exclude: true
 ---

Contacts/History/preface_3.1.html

@@ -1,7 +1,7 @@
 ---
 title: Preface of GAP 3.1
 layout: core
-grand_parent: Overview of GAP
+grand_parent: Overview
 parent: Some History of GAP
 nav_exclude: true
 ---

Contacts/History/preface_3.2.html

@@ -1,7 +1,7 @@
 ---
 title: From the Preface of GAP 3.2
 layout: core
-grand_parent: Overview of GAP
+grand_parent: Overview
 parent: Some History of GAP
 nav_exclude: true
 ---

Contacts/History/preface_3.4.3.html

@@ -1,7 +1,7 @@
 ---
 title: Preface of GAP 3.4.3
 layout: core
-grand_parent: Overview of GAP
+grand_parent: Overview
 parent: Some History of GAP
 nav_exclude: true
 ---

Contacts/History/preface_3.4.4.html

@@ -1,7 +1,7 @@
 ---
 title: From the Preface of GAP 3.4.4
 layout: core
-grand_parent: Overview of GAP
+grand_parent: Overview
 parent: Some History of GAP
 nav_exclude: true
 ---

Contacts/History/preface_4.1.html

@@ -1,7 +1,7 @@
 ---
 title: From the Preface of GAP 4.1
 layout: core
-grand_parent: Overview of GAP
+grand_parent: Overview
 parent: Some History of GAP
 nav_exclude: true
 ---

Contacts/History/preface_4.3.html

@@ -1,7 +1,7 @@
 ---
 title: From the Preface of GAP 4.3
 layout: core
-grand_parent: Overview of GAP
+grand_parent: Overview
 parent: Some History of GAP
 nav_exclude: true
 ---

Contacts/History/preface_4.4.html

@@ -1,7 +1,7 @@
 ---
 title: From the Preface of GAP 4.4
 layout: core
-grand_parent: Overview of GAP
+grand_parent: Overview
 parent: Some History of GAP
 nav_exclude: true
 ---

Contacts/History/preface_4.B.1.html

@@ -1,7 +1,7 @@
 ---
 title: From the Preface of GAP 4.B.1
 layout: core
-grand_parent: Overview of GAP
+grand_parent: Overview
 parent: Some History of GAP
 nav_exclude: true
 ---

Doc/Teaching/teaching.html

@@ -206,7 +206,7 @@
   </li>  
   <li>
     The package
-    <a href="{{ site.baseurl }}/Packages/itc.html">ITC</a> can be used to demonstrate the
+    <a href="https://gap-packages.github.io/itc/">ITC</a> can be used to demonstrate the
     working of some coset table methods. Examples are given in the
     <a href="{{ site.docsurl }}/pkg/itc/htm/chapters.htm">ITC&nbsp;manual</a>.
     <br />&nbsp;

Faq/faq.html

@@ -1631,7 +1631,7 @@ <h4>
 Although this may look a bit complicate, formulating it in the
 GAP language is quite easy. For constructing the graph
 we use the GAP package
-<a href="{{ site.baseurl }}/Packages/grape.html">GRAPE</a> by Leonard Soicher:
+<a href="https://gap-packages.github.io/grape">GRAPE</a> by Leonard Soicher:
 </p>
 <pre>
 gap&gt; LoadPackage("grape"); # Construct the Duo graph with 4^3 + 12 = 76 vertices:
@@ -1752,7 +1752,7 @@ <h4>
 </p>
 <p>
 One possibility is to use the package
-<a href="{{ site.baseurl }}/Packages/cohomolo.html">cohomolo</a>.
+<a href="https://gap-packages.github.io/cohomolo">cohomolo</a>.
 You first have to follow the instructions in the package directory to
 compile the external programs.
 </p>
@@ -2254,7 +2254,7 @@ <h4>
 first view for small groups. More sophisticated functions in the same area include:
 {% include ref.html book="smallgrp" label="IdGroup" text="IdGroup" %}; the
 <tt>StandardPresentation</tt>
-function of the <a href="{{ site.baseurl }}/Packages/anupq.html">ANUPQ package</a> and
+function of the <a href="https://gap-packages.github.io/anupq/">ANUPQ package</a> and
 {% include ref.html label="IsomorphismGroups" text="IsomorphismGroups" %},
 each of which is described in the appropriate manual.
 </p>

Overview/Capabilities/algebras.html

@@ -17,13 +17,13 @@
 <p>
   There are algorithms for the efficient calculation of Hermite and Smith
   {% include ref.html label="Normal Forms over the Integers" text="normal forms" %} over the integers (see also the package
-  <a href="{{ site.baseurl }}/Packages/edim.html">EDIM</a>).
+  <a href="https://www.math.rwth-aachen.de/~Frank.Luebeck/EDIM">EDIM</a>).
 </p>
 <p>
   Computations concerning special modules arising in representation theory
   are possible. The package <a href="{{ site.baseurl }}/Gap3/Packages3/specht.html">Specht</a> 
   for dealing with Specht modules has been ported to GAP&nbsp;4
-  in the <a href="{{ site.baseurl }}/Packages/hecke.html">hecke</a> package.
+  in the <a href="https://gap-packages.github.io/hecke/">hecke</a> package.
 </p>
 <p>
   {% include ref.html label="Lie Algebras" %}
@@ -47,17 +47,17 @@
 <p>
   Investigation of algebras given by presentations are currently restricted 
   to Lie algebras using the package  
-  <a href="{{ site.baseurl }}/Packages/fplsa.html">FPLSA</a>; associative algebras will 
+  <a href="https://gap-packages.github.io/FPLSA">FPLSA</a>; associative algebras will 
   have to wait for a GAP&nbsp;4 implementation of the
   <a href="{{ site.baseurl }}/Gap3/Packages3/ve.html">vector&nbsp;enumeration</a> method.
 </p>
 <p>
-  The  package  <a href="{{ site.baseurl }}/Packages/sophus.html">Sophus</a> deals  with 
+  The  package  <a href="https://gap-packages.github.io/sophus/">Sophus</a> deals  with 
   nilpotent Lie algebras over prime fields allowing to construct central 
   extensions and to determine their automorphism groups.
 </p>
 <p>
-  The package <a href="{{ site.baseurl }}/Packages/quagroup.html">QuaGroup</a> allows to 
+  The package <a href="https://gap-packages.github.io/quagroup/">QuaGroup</a> allows to 
   investigate quantum groups.
 </p>  
 <p>
@@ -71,40 +71,40 @@
 distribution:
 <ul>
   <li>
-    The package <a href="{{ site.baseurl }}/Packages/corelg.html">CoReLG</a> 
+    The package <a href="https://gap-packages.github.io/corelg/">CoReLG</a> 
     for calculations in real semisimple Lie algebras.
   </li>  
   <li>
-    The package <a href="{{ site.baseurl }}/Packages/liering.html">LieRing</a> for
+    The package <a href="https://gap-packages.github.io/liering/">LieRing</a> for
     constructing finitely-presented Lie rings and calculating the Lazard 
     correspondence. The package also provides a database of small 
     <i>n</i>-Engel Lie rings.
   </li>
   <li>
-    The package <a href="{{ site.baseurl }}/Packages/liepring.html">LiePRing</a>, introducing 
+    The package <a href="https://gap-packages.github.io/liepring/">LiePRing</a>, introducing 
     a new datastructure for nilpotent Lie rings of prime-power order. This 
     allows to define such Lie rings for specific primes as well as for 
     symbolic primes and other symbolic parameters. The package also includes 
     a database of nilpotent Lie rings of order at most <i>p</i><sup>7</sup> 
     for all primes <i>p</i> > 3.
   </li>
   <li>
-    The package <a href="{{ site.baseurl }}/Packages/sla.html">SLA</a> for computations with 
+    The package <a href="https://gap-packages.github.io/sla/">SLA</a> for computations with 
     simple Lie algebras. The main topics of the package are nilpotent 
     orbits, theta-groups and semisimple subalgebras.
   </li>
 </ul>
 </p>
 <p>
-  The package <a href="{{ site.baseurl }}/Packages/laguna.html">LAGUNA</a>    
+  The package <a href="https://gap-packages.github.io/laguna">LAGUNA</a>    
   allows to investigate unit groups of the modular group algebra of
   a <i>p</i>-group and Lie algebras associated with associative algebras.
-  It is extended by the <a href="{{ site.baseurl }}/Packages/laguna.html">UnitLib</a>
+  It is extended by the <a href="https://gap-packages.github.io/unitlib">UnitLib</a>
   package providing a library of unit groups of modular group algebras
   of <i>p</i>-groups of small order.
 </p>
 <p>
-  The package <a href="{{ site.baseurl }}/Packages/wedderga.html">Wedderga</a>    
+  The package <a href="https://gap-packages.github.io/wedderga">Wedderga</a>    
   computes the simple components of the Wedderburn decomposition 
   of semisimple group algebras of finite groups over finite fields 
   and over subfields of finite cyclotomic extensions of rationals. 
@@ -113,7 +113,7 @@
   functionality to construct crossed products.
 </p>
 <p>
-  The package <a href="{{ site.baseurl }}/Packages/modisom.html">ModIsom</a> contains various
+  The package <a href="https://gap-packages.github.io/modisom/">ModIsom</a> contains various
   methods for computing with nilpotent associative algebras. In particular,
   it contains a method to determine the automorphism group and to test
   isomorphisms of such algebras over finite fields and of modular group

Overview/Capabilities/basic.html

@@ -66,7 +66,7 @@
   </li>
   <li>
     elements of {% include ref.html label="Finite Fields" text="finite&nbsp;fields" %} (see also the coding theory package
-    <a href="{{ site.baseurl }}/Packages/guava.html">GUAVA</a>),
+    <a href="https://gap-packages.github.io/guava/">GUAVA</a>),
   </li>
   <li>
     {% include ref.html label="p-adic Numbers (preliminary)" text="<em>p</em>-adic&nbsp;numbers" %},
@@ -77,7 +77,7 @@
     only a basic implementation of Buchberger's algorithm for computing
     {% include ref.html label="Groebner Bases" text="Gröbner&nbsp;bases" %},
     for more serious computations the package
-    <a href="{{ site.baseurl }}/Packages/singular.html">singular</a> provides an interface
+    <a href="https://gap-packages.github.io/singular/">singular</a> provides an interface
     to the extensive capabilities of the system
     <a href="http://www.singular.uni-kl.de">SINGULAR</a>),
   </li>
@@ -104,7 +104,7 @@
   </li>
   <li>
     {% include ref.html label="Residue Class Rings" text="residue&nbsp;class&nbsp;rings" %} of integers (see also the package
-    <a href="{{ site.baseurl }}/Packages/resclasses.html">ResClasses</a>),
+    <a href="https://gap-packages.github.io/resclasses/">ResClasses</a>),
   </li>
   <li>
     {% include ref.html label="Abelian Number Fields" text="abelian&nbsp;number&nbsp;fields" %},
@@ -127,7 +127,7 @@
   <li>
     functions for
     {% include ref.html label="Prime Integers and Factorization" text="prime&nbsp;number&nbsp;factorization" %} (see also the package
-    <a href="{{ site.baseurl }}/Packages/factint.html">FactInt</a>).
+    <a href="https://gap-packages.github.io/FactInt">FactInt</a>).
   </li>
 </ul>
 

Overview/Capabilities/fpgroups.html

@@ -43,27 +43,27 @@
 </p>
 <ul>
   <li>
-    <a href="{{ site.baseurl }}/Packages/fga.html">FGA</a> providing algorithms for
+    <a href="http://www.icm.tu-bs.de/ag_algebra/software/FGA/">FGA</a> providing algorithms for
     free groups,
   </li>
   <li>
-    <a href="{{ site.baseurl }}/Packages/ace.html">ACE</a> linking to a particular
+    <a href="https://gap-packages.github.io/ace">ACE</a> linking to a particular
     powerful implementation of the Todd-Coxeter method,
   </li>
   <li>
-    <a href="{{ site.baseurl }}/Packages/itc.html">ITC</a> providing an interactive
+    <a href="https://gap-packages.github.io/itc/">ITC</a> providing an interactive
     Todd-Coxeter mainly for teaching and learning,
   </li>
   <li>
-    <a href="{{ site.baseurl }}/Packages/anupq.html">ANUPQ</a> for finding
+    <a href="https://gap-packages.github.io/anupq/">ANUPQ</a> for finding
     p-quotients, standard presentations, and descendants,
   </li>
   <li>
-    <a href="{{ site.baseurl }}/Packages/nq.html">NQ</a> for finding infinite
+    <a href="https://gap-packages.github.io/nq/">NQ</a> for finding infinite
     nilpotent quotients, and
   </li>
   <li>
-    <a href="{{ site.baseurl }}/Packages/kbmag.html">KBMAG</a> with Knuth-Bendix
+    <a href="https://gap-packages.github.io/kbmag">KBMAG</a> with Knuth-Bendix
     and automatic groups methods. 
   </li>
 </ul>

Overview/Capabilities/further.html

@@ -15,24 +15,24 @@
   </li>
   <li>
     packages
-    <a href="{{ site.baseurl }}/Packages/aclib.html">AClib</a>,
-    <a href="{{ site.baseurl }}/Packages/cryst.html">Cryst</a>, 
-    <a href="{{ site.baseurl }}/Packages/crystcat.html">CrystCat</a> and
-    <a href="{{ site.baseurl }}/Packages/caratinterface.html">CaratInterface</a> for
+    <a href="https://gap-packages.github.io/aclib/">AClib</a>,
+    <a href="https://www.math.uni-bielefeld.de/~gaehler/gap/packages.php">Cryst</a>, 
+    <a href="https://www.math.uni-bielefeld.de/~gaehler/gap/packages.php">CrystCat</a> and
+    <a href="https://www.math.uni-bielefeld.de/~gaehler/gap/packages.php">CaratInterface</a> for
     crystallographic and almost crystallographic groups,
     <br /><br />
   </li>
 <!--
   <li>
     a package
-    <a href="{{ site.baseurl }}/Packages/pargap.html">ParGAP</a> for parallel
+    <a href="https://www.khoury.northeastern.edu/home/gene/pargap.html">ParGAP</a> for parallel
     computations with  GAP,
     <br /><br />
   </li>
 -->
   <li>
     a graphical user interface
-    <a href="{{ site.baseurl }}/Packages/xgap.html">XGAP</a> that permits, for
+    <a href="https://gap-packages.github.io/xgap">XGAP</a> that permits, for
     example, the display of subgroup lattices.
   </li>
 </ul>