adverb and spacing

Does q require that the function be directly adjacent to the adverb without spacing?

Why is spacing (of lack of spacing) important?

q)max/[1 2]

2

q)max/ [1 2]

2

q)max /[1 2]

max

q)(max /)[1 2]

'(
[0] (max /)[1 2]
^

yes

http://code.kx.com/q/ref/syntax/#adverbs

http://code.kx.com/q4m3/1_Q_Shock_and_Awe/#15-comments

At least one whitespace character must separate / intended to begin a comment from any text to the left of it on a line.