Add ? to the list of things to quote when it's an exact value. #178
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Closes #177
The linked issue includes the full description of the problem this resolves, with reproduction, and notes from the YAML spec. The particularly relevant sections of the spec are:
?
character is used as anindicator
character, indicating a mapping key?
character can only be encoded in Plain Style when it's followed by a non-space "safe" character.The proposed fix is to add
?
to the list of values already being considered for quotation when they appear as exact values.Requirements