Preparing & Translating Supported File Types



Extension .resx or .resw
Smartling Identifier resx
Resources Microsoft Resx Resources 


String Instructions

Smartling automatically captures RESX comments and makes them translator instructions.


<data name="resx_string6" xml:space="preserve">
     <value>resx string6 has a comment.</value>
     <comment>comment for manual resx string6 will appear as a Smartling translator instruction</comment>


If you are applying processing directives to a RESX file, the directive should be inserted as a comment just below the XML declaration, or within the <root> tag. Alternatively, you can apply file processing directives via the API.

For example:

<?xml version="1.0" encoding="UTF-8"?>
<!-- smartling.placeholder_format_custom = \{.+?\} -->


<!-- smartling.[directive_name] = [value] -->



Exact delivery depends on file type.

Values auto (default)
true (or yes)
false (or no)
Description Can control whether or not characters will be "escaped" into entities when delivering translations. This can be set universally for the whole file via API, or by setting the directive at the top/start of the file. The directive can also be placed inline to control the behavior of specific strings.

To use inline:
<!-- smartling.entity_escaping = false -->

<!-- smartling.entity_escaping = auto -->

XML Characters (always escaped)

Character (name) Escape sequence

< (less-than)


> (greater-than)


& (ampersand)


' (apostrophe or single quote)


" (double-quote)


For example, your translation might look like this:
Smartling HTML escaping < > & " ' example string4

By default, using the "auto" setting, we would assume this is HTML from the < > tag, and it would be converted to:
Smartling HTML escaping &lt; &gt; &amp; &quot; &apos example string4

Using smartling.entity_escaping = false would allow Smartling HTML escaping < > & " ' example string4 to appear as it should.


Description Used to specify a standard placeholder format.
Examples  <!-- smartling.placeholder_format = IOS -->

Specifies iOS-style placeholders for the file.



Values  1) Custom Java compatible regular expression.
2) NONE - disables any current custom placeholders 
Description  Specifies a custom placeholder format. Any text in your file matching the regular expression you provide will be captured as a placeholder. 


Any characters surrounded by curly brackets, e.g., {first name}, will be treated as a placeholder.

See Placeholders in Resource Files for more on placeholders.


Values  integer - Accepted values are 0 - 100 
Description  Sets the percentage by which original strings are inflated when downloading pseudo translations. If this directive is not set, pseudo translations are 30 percent longer than the original strings. 

<!-- smartling.pseudo_inflation = 80 -->

Downloaded pseudo translations will increase the length of original strings by 80 percent.



Values translate OR notranslate

Use this directive to enable or disable processing of translation strings in the file. You must turn translation back on once you're done with notranslate.

Any content with this tag will not appear in the Smartling dashboard but will appear in your translated file in your original source language.


<!-- smartling.sltrans = notranslate -->

Strings below this directive will be captured as strings but excluded from translation.

<!-- smartling.sltrans = translate -->

Strings below this directive will be translated. 




on|yes|true or off|no|false or leading|trailing

The default value is on


A whitespace is any character or series of characters that represent horizontal or vertical space in typography. When rendered, a whitespace character is not a visible mark, but does occupy an area or space on a page.

Although whitespaces are necessary within a string (typically to separate words), unnecessary whitespaces can be found at the start of a string (leading) and at the end of a string (trailing).

With this directive, you can trim whitespaces, as it enables or disables whitespace trim management for the ingested strings.

Whitespace is optionally trimmed from content then re-inserted on download for convenience so that translators do not have to manage the extra spaces. However, content owners may want to retain surrounding whitespace so that translators can
manipulate it during translation.

By default, the leading and trailing whitespaces are trimmed.

You can choose to disable trimming or specify trimming for leading or trailing whitespaces.

The directive can be used inline or as the API request parameter.


<!-- smartling.whitespace_trim=on -->

Smartling will trim leading and trailing whitespaces (default)

<!-- smartling.whitespace_trim=off -->

Smartling will not trim leading or trailing whitespaces

<!-- smartling.whitespace_trim=leading -->

Smartling will trim only leading whitespaces

<!-- smartling.whitespace_trim=trailing -->

Smartling will trim only trailing whitespaces

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