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4.3 Whitespace Location
Zero or more whitespace characters may be placed between symbols in a
Stan program. For example, zero or more whitespace characters of any
variety may be included before and after a binary operation such as
a * b
, before a statement-ending semicolon, around parentheses
or brackets, before or after commas separating function arguments,
etc.
Identifiers and literals may not be separated by whitespace. Thus it
is not legal to write the number 10000
as 10 000
or to
write the identifier normal_lpdf
as normal _ lpdf
.