# Tag Info

I Trace-ed the Information[ f ] command both before and after an invocation of f (with a simpler definition f[x_] := Legended["123", x]). By comparing the results, I found a function SystemDumpmakeusageboxes: which reduces to another function BoxFormMakeBoxesWithTextFormatting: Attributes[BoxFormMakeBoxesWithTextFormatting] = {HoldAllComplete} ...