mark hard tabs as single chunks, as required by jEdit (see 0fd2bf8eaa9f);
mark hard tabs as single chunks, as required by jEdit (see 0fd2bf8eaa9f);

MerelyAPseudonym/isabelle,MerelyAPseudonym/isabelle,MerelyAPseudonym/isabelle,MerelyAPseudonym/isabelle,MerelyAPseudonym/isabelle,MerelyAPseudonym/isabelle