[ 
https://issues.apache.org/jira/browse/SPARK-15924?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Xuan Wang updated SPARK-15924:
------------------------------
    Description: 
When I run an R cell with the following comments:
{code} 
#   p <- p + scale_fill_manual(values = set2[groups])
#   # p <- p + scale_fill_brewer(palette = "Set2") + scale_color_brewer(palette 
= "Set2")
#   p <- p + scale_x_date(labels = date_format("%m/%d\n%a"))
#   p
{code}

I get the following error message

{quote}
Error in parse(text = DATABRICKS_CURRENT_TEMP_CMD__) : 
  <text>:16:1: unexpected input
15: #   p <- p + scale_x_date(labels = date_format("%m/%d
16: %a"))
    ^
{quote}

  was:
When I run an R cell with the following comments:
{code} 
#   p <- p + scale_fill_manual(values = set2[groups])
#   # p <- p + scale_fill_brewer(palette = "Set2") + scale_color_brewer(palette 
= "Set2")
#   p <- p + scale_x_date(labels = date_format("%m/%d\n%a"))
#   p
{code}

I get the following error message

Error in parse(text = DATABRICKS_CURRENT_TEMP_CMD__) : 
  <text>:16:1: unexpected input
15: #   p <- p + scale_x_date(labels = date_format("%m/%d
16: %a"))
    ^



> SparkR parser bug with backslash in comments
> --------------------------------------------
>
>                 Key: SPARK-15924
>                 URL: https://issues.apache.org/jira/browse/SPARK-15924
>             Project: Spark
>          Issue Type: Bug
>          Components: SparkR
>    Affects Versions: 1.6.1
>            Reporter: Xuan Wang
>
> When I run an R cell with the following comments:
> {code} 
> #   p <- p + scale_fill_manual(values = set2[groups])
> #   # p <- p + scale_fill_brewer(palette = "Set2") + 
> scale_color_brewer(palette = "Set2")
> #   p <- p + scale_x_date(labels = date_format("%m/%d\n%a"))
> #   p
> {code}
> I get the following error message
> {quote}
> Error in parse(text = DATABRICKS_CURRENT_TEMP_CMD__) : 
>   <text>:16:1: unexpected input
> 15: #   p <- p + scale_x_date(labels = date_format("%m/%d
> 16: %a"))
>     ^
> {quote}



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