What is the second parameter of NSLocalizedString()?

131

What is the *comment parameter in:

NSString *NSLocalizedString(NSString *key, NSString *comment)

If I do this:

NSLocalizedString(@"Hello_World_Key", @"Hello World")

and have two versions of a Localizable.strings (English and Spanish), does each need the entry:

English.lproj/Localization.strings: @"Hello_World_Key" = @"Hello World";

Spanish.lproj/Localization.strings: @"Hello_World_Key" = @"Hola Mundo";

Isn't the English one redundant?

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290

The second parameter is a comment that will automatically appear in the strings file if you use the genstrings command-line utility, which can create the strings file for you by scanning your source code.

The comment is useful for your localizers. For example:

NSLocalizedString(@"Save",@"Title of the Save button in the theme saving dialog");

When you run genstrings, this will produce an entry in the Localizable.strings file like this:

/* Title of the Save button in the theme saving dialog */
"Save" = "Save";

answered 2009-09-18T06:18:59.007

What is the second parameter of NSLocalizedString()?

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