The NEWS file was generated from xterm.log.html, which serves as the changelog
for xterm.
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                            Patch #339 - 2018/12/12

     * modify  CF_GNU_SOURCE  macro  to  treat newlib as similar to glibc,
       fixing  a  problem with the configure checks for pseudoterminals in
       Cygwin overlooked in patch #334 updates for configure-macros.

