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Starting the WebSpellChecker Server version 5.6.3.0, we added the ability to enable n-gram data sets to detect errors with words that are often confused, like their and there. This option is available for the English, German, French, Spanish, and Dutch languages. To enable n-gram data sets you need to perform the steps described in this guide.

1. Stop AppServer

Before making any changes to the AppServerX.xml file, it is recommended to stop AppServer.

2. Specify path to n-gram data sets in AppServer configuration file

• Open the AppServerX.xml configuration file for editing. 

• Find section with parameters responsible for configuration of n-gram data sets: PathToNgramData.

<!-- Path to n-gram data sets. Can be used to improve grammar quality. -->
<!-- <PathToNgramData></PathToNgramData>-->

• Uncomment the PathToNgramData parameter and set a path to unzipped folder of ngrams

<PathToNgramData>your_path_to_ngrams</PathToNgramData>

• Add the EnableNgramData parameter for each language you want to use n-grams .

<EnableNgramData>true</EnableNgramData>

This is an example of the for added EnableNgramData parameter for American English.

<Language Id="en_US">
				<Alias>en</Alias>
				<Alias>am</Alias>
				<GrammarCheckProviderOptions>en-US</GrammarCheckProviderOptions>
				<EnableNgramData>true</EnableNgramData>
				<ThesaurusEnabled>true</ThesaurusEnabled>
				<SpellEngineOptions>
					<Locale>am</Locale>
					<SpellCheckProvider>ssce</SpellCheckProvider>
					<Dictionary FullPath="ssceam2.clx">
						<ForSuggest>no</ForSuggest>
					</Dictionary>
					<Dictionary FullPath="ssceam2s.clx">
						<ForSuggest>yes</ForSuggest>
					</Dictionary>
					<Dictionary FullPath="sscema2.clx"/>
					<Dictionary FullPath="keywords.clx"/>
					<Dictionary FullPath="ssceam.tlx"/>
				</SpellEngineOptions>
</Language>

 3. Start AppServer

As soon as a correct path to ngrams and enabke it for the nesessary lanagues in AppServerX.xml, start AppServer for the changes to take effect.