Placeholder
 Usage
 \[Placeholder]
Notes
• Alias:  pl. • Letter-like form. • Used to indicate where expressions can be inserted in a form obtained by pasting the contents of a button. • Not the same as \[EmptySquare] . • See Section 1.10.12, Section 2.11.3 and Section 3.10.5. • See also: \[SelectionPlaceholder] , \[RawNumberSign] .
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