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From "Benedikt Ritter (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CSV-58) Unescape handling needs rethinking
Date Thu, 01 Aug 2013 11:19:49 GMT

    [ https://issues.apache.org/jira/browse/CSV-58?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13726347#comment-13726347
] 

Benedikt Ritter commented on CSV-58:
------------------------------------

What about TAB FF and BACKSPACE? Do we want to change parsing behavior or can we just open
a new issue for 1.x to think about it again?
                
> Unescape handling needs rethinking
> ----------------------------------
>
>                 Key: CSV-58
>                 URL: https://issues.apache.org/jira/browse/CSV-58
>             Project: Commons CSV
>          Issue Type: Bug
>          Components: Parser
>            Reporter: Sebb
>             Fix For: 1.0
>
>         Attachments: commons-csv.diff
>
>
> The current escape parsing converts <esc><char> to plain <char> if
the <char> is not one of the special characters to be escaped.
> This can affect unicode escapes if the <esc> character is backslash.
> One way round this is to specifically check for <char> == 'u', but it seems wrong
to only do this for 'u'.
> Another solution would be to leave <esc><char> as is unless the <char>
is one of the special characters.
> There are several possible ways to treat unrecognised escapes:
> - treat it as if the escape char had not been present (current behaviour)
> - leave the escape char as is
> - throw an exception

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