[dokuwiki] changing double quote marks

Since I do not like the double quote marks as the are produced by
DokuWiki, I made the following changes to inc/parser/xhtml.php:

function doublequoteopening() {
  global $conf;
  if (strlen($conf['doublequote']['open']) >= 1)
    $this->doc .= $conf['doublequote']['open'];
  else
    $this->doc .= "“";
}

function doublequoteclosing() {
  global $conf;
  if (strlen($conf['doublequote']['close']) >= 1)
    $this->doc .= $conf['doublequote']['close'];
  else
    $this->doc .= "”";
}

BTW: why strlen(...) insted of isset(...)? I found that isset() is true
when an empty string is given, and I want wo be sure that there is
something to output.

Now I can put my own characters into conf/local.php.

Is there any other way to configure my own double quote marks? I thought
this will fit better into conf/entities.conf... Or: when I define
another variable in conf/local.php (e. g. mymarks[]), will this become a
global variable like $conf?

Regards,
Werner

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