iTextSharp.text.pdf.languages.IndicLigaturizer.IsSwaraMatra C# (CSharp) Метод

        protected bool IsSwaraMatra(char ch) {
            return ((ch >= langTable[MATRA_AA] && ch <= langTable[MATRA_AI])
                    || ch == langTable[MATRA_HLR] || ch == langTable[MATRA_HLRR]);
        }