Jason Song 4ae3f76217 Deal with markdown template without metadata (#21639) ... Fixed #21636. Related to #20987. A markdown template without metadata should not be treated as an invalid template. And this PR fixed another bug that non-template files(neither .md nor .yaml) are treated as yaml files. <img width="504" alt="image" src="https://user-images.githubusercontent.com/9418365/198968668-40082fa1-4f25-4d3e-9b73-1dbf6d1a7521.png">		2022-10-31 17:10:33 +02:00
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template	Deal with markdown template without metadata (#21639)	2022-10-31 17:10:33 +02:00