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kotlinlang

I'm generating font definition files, with a bunch of entries looking like this:
```  FontFace={ul}{n}{*-Thin},
  FontFace={ul}{it}{*-ThinItalic},
  FontFace={xl}{n}{*-ExtraLight},```
Not every font has every weight (thin, extra light...) or shape (regular/italic) combination, so I'd like to do something like this:
```  {{#hasThin}}FontFace={ul}{n}{*-Thin},{{/hasThin}}
  {{#hasThinItalic}}FontFace={ul}{it}{*-ThinItalic},{{/hasThinItalic}}
  {{#hasExtraLight}}FontFace={xl}{n}{*-ExtraLight},{{/hasExtraLight}}```