Doclets in Java 11

[rapgro]

UMLGraph/src/main/java/org/umlgraph/doclet/UmlGraphDoc.java

Line 21 in 09576db

import com.sun.tools.doclets.standard.Standard;

[javac] /builddir/build/BUILD/UMLGraph-R5_7_2/src/main/java/org/umlgraph/doclet/UmlGraphDoc.java:22: error: package com.sun.tools.doclets.standard is not visible
[javac] import com.sun.tools.doclets.standard.Standard;
[javac]                             ^
[javac]   (package com.sun.tools.doclets.standard is declared in module jdk.javadoc, which does not export it)

No, com.sun.tools.doclets.standard.Standard class is deprecated as of Java 9 and was removed in Java 11.

See: https://docs.oracle.com/javase/9/docs/api/com/sun/tools/doclets/standard/Standard.html

[rapgro]

Downstream bug: https://bugzilla.redhat.com/show_bug.cgi?id=1858106