[jira] [Updated] (CSV-58) Escape handling needs rethinking

["Anirudha Khanna (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CSV-58?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Anirudha Khanna updated CSV-58:
-------------------------------

    Attachment: commons-csv.diff

Patch consisting of changes to expand escape handling in CSV Parser
                
> Escape 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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