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        Number of colon is 7 by default.  If you specify colon sequence like
        `:::::`, it is used instead of 7 colons.

    - **ifdef**

        Original and converted text are printed in [cpp(1)](http://man.he.net/man1/cpp) `#ifdef`
        format.

            #ifdef ORIGINAL
            original text
            #endif
            #ifdef JA
            translated Japanese text
            #endif

        You can retrieve only Japanese text by the **unifdef** command:

            unifdef -UORIGINAL -DJA foo.ja.pm

    - **space**
    - **space+**

        Original and converted text are printed separated by single blank
        line.  For `space+`, it also outputs a newline after the converted
        text.

    - **xtxt**

        If the format is `xtxt` (translated text) or unkown, only translated
        text is printed.

- **--xlate-maxlen**=_chars_ (Default: 0)

    Specify the maximum length of text to be sent to the API at once.
    Default value is set as for free DeepL account service: 128K for the
    API (**--xlate**) and 5000 for the clipboard interface
    (**--xlate-labor**).  You may be able to change these value if you are
    using Pro service.

- **--xlate-maxline**=_n_ (Default: 0)

    Specify the maximum lines of text to be sent to the API at once.

    Set this value to 1 if you want to translate one line at a time.  This
    option takes precedence over the `--xlate-maxlen` option.

- **--xlate-prompt**=_text_

    Specify a custom prompt to be sent to the translation engine.  This option
    is only available when using ChatGPT engines (gpt3, gpt4, gpt4o).  You can
    customize the translation behavior by providing specific instructions to the
    AI model.  If the prompt contains `%s`, it will be replaced with the target
    language name.

- **--xlate-context**=_text_

    Specify additional context information to be sent to the translation
    engine.  This option can be used multiple times to provide multiple
    context strings.  The context information helps the translation engine
    understand the background and produce more accurate translations.

- **--xlate-glossary**=_glossary_

    Specify a glossary ID to be used for translation.  This option is only
    available when using the DeepL engine.  The glossary ID should be obtained
    from your DeepL account and ensures consistent translation of specific terms.

- **--**\[**no-**\]**xlate-progress** (Default: True)

    See the tranlsation result in real time in the STDERR output.

- **--xlate-stripe**

    Use [App::Greple::stripe](https://metacpan.org/pod/App%3A%3AGreple%3A%3Astripe) module to show the matched part by zebra
    striping fashion.  This is useful when the matched parts are connected
    back-to-back.

    The color palette is switched according to the background color of the
    terminal.  If you want to specify explicitly, you can use
    **--xlate-stripe-light** or **--xlate-stripe-dark**.

- **--xlate-mask**

    Perform masking function and display the converted text as is without
    restoration.

- **--match-all**

    Set the whole text of the file as a target area.

- **--lineify-cm**
- **--lineify-colon**

    In the case of the `cm` and `colon` formats, the output is split and
    formatted line by line.  Therefore, if only a portion of a line is to
    be translated, the expected result cannot be obtained.  These filters
    fix output that is corrupted by translating part of a line into normal
    line-by-line output.

    In the current implementation, if multiple parts of a line are
    translated, they are output as independent lines.

# CACHE OPTIONS

**xlate** module can store cached text of translation for each file and
read it before execution to eliminate the overhead of asking to
server.  With the default cache strategy `auto`, it maintains cache
data only when the cache file exists for target file.

Use **--xlate-cache=clear** to initiate cache management or to clean up
all existing cache data.  Once executed with this option, a new cache
file will be created if one does not exist and then automatically
maintained afterward.

- --xlate-cache=_strategy_
    - `auto` (Default)

        Maintain the cache file if it exists.

    - `create`

        Create empty cache file and exit.

    - `always`, `yes`, `1`

        Maintain cache anyway as far as the target is normal file.

    - `clear`

        Clear the cache data first.

    - `never`, `no`, `0`

        Never use cache file even if it exists.

    - `accumulate`

        By default behavior, unused data is removed from the cache file.  If