Adobe Dreamweaver CC 2015 - Manual (Page 538)

531
XML
Last updated 6/3/2015
Add entity definitions to the XSL files Dreamweaver creates by default
1 Locate the following configuration file in the Dreamweaver application folder and open it in any text editor:
Configuration/DocumentTypes/MMDocumentTypeDeclarations.xml
2 Locate the declaration called mm_xslt_1:
3 Enter the new entity tag or tags in the list of entity tags, as follows:
4 Save the file and restart Dreamweaver.