1    # a single line of comments is preserved
21+1
3
4if(TRUE){
5x=1  # inline comments
6}else{
7x=2;print('Oh no... ask the right bracket to go away!')}
81*3 # one space before this comment will become two!
92+2+2    # 'short comments'
10
11# only 'single quotes' are allowed in comments
12df=data.frame(y=rnorm(100),x1=rnorm(100),x2=rnorm(100))
13lm(y~x1+x2, data=df)
141+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1+1  ## comments after a long line
15
16## here is a long long long long long long long long long long long long long long long long long long long long comment
17