One of my favourite features in Studio 2017 is the filetype preview.  The time it can save when you are creating custom filetypes comes from the fun in using it.  I can fill out all the rules and switch between the preview and the rules editor without having to continually close the options, open the file, see if it worked and then close the file and go back to your options again… then repeat from the start… again… and again…   I guess it’s the little things that keep us happy! I decided to look at this using a YML file as this seems to be coming up quite a bit recently.  YAML, pronounced “Camel... Read the full text.