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Topic on Extension talk:CollapsibleSections/Flow

Summary by Tosfos

Resolved by back-porting patches to supported branches

97.68.215.174 (talkcontribs)

Error: Syntax error, unrecognized expression: unsupported pseudo: heading

I receive this error on every page with <h2> headers.

$wgCollapsibleSectionsEnableDesktop = true; - this is set.

Nothing is collapsible. Any suggestions?

97.68.215.174 (talkcontribs)

WikiMedia 1.35.1

Tosfos (talkcontribs)

Which version of the extension are you using?