Wrap text in a <github-content> fence labeled with label and the optional metadata. Any occurrence of the close-tag literal inside text is replaced with a zero-width-joined sentinel that round-trips losslessly via extractFromFence.
text
<github-content>
label
Wrap
textin a<github-content>fence labeled withlabeland the optional metadata. Any occurrence of the close-tag literal insidetextis replaced with a zero-width-joined sentinel that round-trips losslessly via extractFromFence.