Coding Conventions

Should there be a space after the return operator ^ ? Jon says “no”.
Should there be spaces inside the square brackets of a block? Jon says “no”.
Should there be spaces around the vertical bar (|) that separates parameters from code in a block? Jon says “yes”.
Should there be spaces around @ when creating a Point? Jon says “yes”.
Should the keywords of long keyword messages be on separate lines, indented from the receiver on the first line?
Should the last statement in a method or block be terminated with a period even though it isn’t required? Jon says “yes” if the method contains more than one statement.
Should there be a blank like after the line that declares local variables? Jon says “no”, but he includes a blank line before it.
Should the closing ] of a multiline block be on a new line? Jon says “no”. He places it at the end of the last statement.