git: openjdk/jdk13u-dev: 8233686: XML transformer uses excessive amount of memory

[Yuri Nesterenko]

Changeset: 7ccba65b
Author:    Yuri Nesterenko <yan at openjdk.org>
Date:      2020-12-10 12:33:19 +0000
URL:       https://git.openjdk.java.net/jdk13u-dev/commit/7ccba65b

8233686: XML transformer uses excessive amount of memory

Remove unnecessary object creation and also update xalan.md file

Backport-of: cef999178cf5ad0b5481da2938169bdd2084d612

! src/java.xml/share/classes/com/sun/org/apache/xalan/internal/xsltc/trax/DOM2TO.java
! src/java.xml/share/legal/xalan.md