$g_tpl renamed => $tlCfg->tpl and moved from const.inc.php to config.inc.php
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From our documentation (This feature is an OLD one)
Configurable templates.
This can help if you want to use a non standard template.
i.e. you want to develop a new one without loosing the original template.
key: original TL template name WITHOUT extension
value: whatever name you want, only constrain you have to copy your template
ON SAME FOLDER where original template is.
Examples:
$tlCfg->tpl['login'] = 'myFancyLogin.tpl';
$tlCfg->tpl = array('tcView' => 'custom_tcView.tpl',
'tcSearchView' => 'myOwnTCSearchView.tpl',
'tcEdit' => 'tcEdit_ultraCool.tpl');
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