refShowableShowable functions can be customized with
A reference to a label.
Note: This function is currently unimplemented.
The reference function produces a textual reference to a label. For example, a reference to a heading will yield an appropriate string such as "Section 1" for a reference to the first heading's label. The references are also links to the respective labels.
This function also has dedicated syntax: A reference to a label can be
created by typing an
@ followed by the name of the label (e.g.
= Introduction <intro> can be referenced by typing
ParametersParameters are the inputs to a function. They are specified in parentheses after the function name.
targetlabelRequiredPositionalPositional parameters are specified in order, without names.
The label that should be referenced.