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@@ -46,11 +46,11 @@ export default class CodeBlockCommand extends Command {
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const editor = this.editor;
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const model = editor.model;
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const selection = model.document.selection;
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- const config = editor.config.get( 'codeBlock' );
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+ const firstLanguageInConfig = editor.config.get( 'codeBlock' ).languages[ 0 ];
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const blocks = Array.from( selection.getSelectedBlocks() );
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const value = ( options.forceValue === undefined ) ? !this.value : options.forceValue;
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- const language = options.language || config.languages[ 0 ].class;
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+ const language = options.language || firstLanguageInConfig.class;
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model.change( writer => {
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if ( value ) {
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