diff -up doxygen-1.9.1/src/context.cpp.me doxygen-1.9.1/src/context.cpp

--- doxygen-1.9.1/src/context.cpp.me	2021-02-10 10:56:44.575251899 +0100

+++ doxygen-1.9.1/src/context.cpp	2021-02-10 10:57:54.522809720 +0100

@@ -4062,11 +4062,11 @@ class MemberContext::Private : public De

         s_inst.addProperty("nameWithContextFor",  &Private::nameWithContextFor);

         init=TRUE;

       }

-      if (md && !md->cookie()) { md->setCookie(new MemberContext::Private::Cachable(md)); }

+      if (!md->cookie()) { md->setCookie(new MemberContext::Private::Cachable(md)); }

       Cachable &cache = getCache();

       cache.propertyAttrs.reset(TemplateList::alloc());

-      if (md && md->isProperty())

+      if (md->isProperty())

       {

         if (md->isGettable())           cache.propertyAttrs->append("get");

         if (md->isPrivateGettable())    cache.propertyAttrs->append("private get");

@@ -4076,7 +4076,7 @@ class MemberContext::Private : public De

         if (md->isProtectedSettable())  cache.propertyAttrs->append("protected set");

       }

       cache.eventAttrs.reset(TemplateList::alloc());

-      if (md && md->isEvent())

+      if (md->isEvent())

       {

         if (md->isAddable())   cache.eventAttrs->append("add");

         if (md->isRemovable()) cache.eventAttrs->append("remove");

diff -up doxygen-1.9.1/src/docparser.cpp.me doxygen-1.9.1/src/docparser.cpp

--- doxygen-1.9.1/src/docparser.cpp.me	2021-02-10 10:58:11.491500540 +0100

+++ doxygen-1.9.1/src/docparser.cpp	2021-02-10 11:00:35.905512597 +0100

@@ -1524,7 +1524,7 @@ reparsetoken:

           {

             QCString scope;

             doctokenizerYYsetStateSetScope();

-            doctokenizerYYlex();

+            (void)doctokenizerYYlex();

             scope = g_token->name;

             g_context = scope;

             //printf("Found scope='%s'\n",scope.data());

diff -up doxygen-1.9.1/src/dotgroupcollaboration.cpp.me doxygen-1.9.1/src/dotgroupcollaboration.cpp

--- doxygen-1.9.1/src/dotgroupcollaboration.cpp.me	2021-02-10 11:01:10.588530954 +0100

+++ doxygen-1.9.1/src/dotgroupcollaboration.cpp	2021-02-10 11:02:54.216221350 +0100

@@ -309,6 +309,7 @@ void DotGroupCollaboration::Edge::write(

     {

       if (first) first=FALSE; else t << "\\n";

       t << DotNode::convertLabel(link->label);

+      count++;

     }

     if (count==maxLabels) t << "\\n...";

     t << "\"";