Change Details

**Steps to reproduce** # Open a template containing really long and detailed TD in doc subpage # Add TemplateData # Save **Expected behavior** This should be prevented, because TemplateData are then both in template and its doc subpage **Current behavior** I have to clean duplicite TD once in a while on Czech Wikipedia. The small yellow warning is not really helpful (maybe because it is small and yellow?) **Configuration** Both NWE and OWE affected, Codemirror not tested; Firefox 58

**Steps to reproduce** # Open a template containing really long and detailed TD in its doc subpage # Add TemplateData to the template # Save **Expected behavior** This should be prevented, because TemplateData are then both in template and its doc subpage **Current behavior** I have to clean duplicite TD once in a while on Czech Wikipedia. The small yellow warning is not really helpful (maybe because it is small and yellow?) **Configuration** Both NWE and OWE affected, Codemirror not tested; Firefox 58

**Steps to reproduce** # Open a template containing really long and detailed TD in its doc subpage # Add TemplateData to the template # Save **Expected behavior** This should be prevented, because TemplateData are then both in template and its doc subpage **Current behavior** I have to clean duplicite TD once in a while on Czech Wikipedia. The small yellow warning is not really helpful (maybe because it is small and yellow?) **Configuration** Both NWE and OWE affected, Codemirror not tested; Firefox 58