Update 1.97 o 1.98
Version 1.98, July 4, 2014
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o fixed escaping of character & in URLs
o fixed translation of -- and --- (contributed by Gabriel Scherer)
o more macros: \dj \DJ (contributed by Domenico Bianculli)
o \textsuperscript
o temporary files are now created in the current directory
  to avoid bibtex error "Not writing to ... (openout_any = p)."
o fixed a bug with non-ascii characters in php-output

(mef)