<p></p>
<p><a class="user-mention" data-hovercard-type="user" data-hovercard-url="/users/sergey-safarov/hovercard" data-octo-click="hovercard-link-click" data-octo-dimensions="link_type:self" href="https://github.com/sergey-safarov">@sergey-safarov</a> - you can make a pull request to solve the syntax problems. I think that json specify use of double quotes, but I pretty sure I noticed that some libs/programming languages can deal with both styles (maybe python?!?).</p>
<p>On the other hand, the examples next to parameters or functions are supposed to give an idea of how to use it in terms of parameters format, etc ... they are not complete configuration snippets. The presence of a variable can indicate that such statement supports variables, it is not necessary to give the values for all variables. Maybe in this case the variable is supposed to contain the "key: value". My remark is generic, might not be the case here, just want to say that it can happen to see examples with variables, without seeing the assignment of that variable.</p>

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