the is tags options written directly to mustache instance before pipe working so when gulp pipe run just the last definition work.
if (options.tags) {
mustache.tags = options.tags
}
Example:
return Combine(
mustache(templateObject2,{
tags: ['${', '}']
}),
mustache(templateObject1,{
tags: ['{{', '}}'] // just that one will work/
}),
the is tags options written directly to mustache instance before pipe working so when gulp pipe run just the last definition work.
Example: