function lineLength( ast ) {
		var lines;
		var line;
		var i;
		lines = ast.raw.split( '\n' );
		for ( i = 0; i < lines.length; i++ ) {
			line = lines[ i ];
			line = replace( line, RE_OUTSIDE_ALIAS, substituteAlias );
			if ( line.length > maxLength ) {
				context.report( 'Lines must not exceed '+maxLength+' characters', {
					'start': i,
					'end': i
				});
			}
		}
	}
Checks whether lines in `repl.txt` files do not exceed a specified length.

@private
@param {Object} ast - full AST