add transliteration of candrabindu

iast-czech.c

@@ -64,6 +64,7 @@ static struct translit_letter table[] = {
 	{0x0902, CODA, "m"},          /* anusvara */
 	{0x0903, CODA, ""},           /* visarga  */
 	{0x093d, CODA, "'"},          /* avagrada */
+	{0x0901, CODA, "m"},          /* candrabindu */
 
 	/* Numbers */
 	{0x0966, NUMBER, "0"},

iast.c

@@ -65,6 +65,7 @@ static struct translit_letter table[] = {
 	{0x0902, CODA, "\u1e43"},        /* anusvara (.m) */
 	{0x0903, CODA, "\u1e25"},        /* visarga (.h) */
 	{0x093d, CODA, "'"},             /* avagrada (') */
+	{0x0901, CODA, "m\u0310"},       /* candrabindu */
 
 	/* Numbers */
 	{0x0966, NUMBER, "0"},

main.c

@@ -19,11 +19,10 @@ static const char *usage_str =
 	"options:\n"
 	"  -h     shows this help and exits\n"
 	"  -v     shows version number and exits\n"
-	"  -f     specifies file for conversion\n"
+	"  -f     specifies file for conversion (‘-’ means standard input)\n"
 	"  -r     reverse transliteration (from Latin to Devanagari)\n"
 	"  -e     convert symbolic ASCII text to IAST representation\n"
 	"  -c     transcript Devanagari to Czech language\n"
-	"  --     read data from the standard input\n"
 	"\n"
 	"  By default, ‘" PROGNAME "’ takes all input arguments written in Devanagari\n"
 	"  and transliterates them to the IAST version.\n"

tests/transcript.c

@@ -22,6 +22,8 @@ START_TEST(test_transcript_devanagari_to_czech)
 	test_transcript("भगवद्गीता", "bhagavadgíta");
 
 	test_transcript("अग्निमीळे", "agnimílé");
+
+	test_transcript("तान्यजत्राँ", "tánjadžatrám");
 }
 END_TEST
 

tests/translit.c

@@ -58,9 +58,17 @@ START_TEST(test_translit_lla_sylable)
 }
 END_TEST
 
+START_TEST(test_translit_candrabindu)
+{
+	test_transliterate_devanagari_to_latin("तान्यजत्राँ", "tānyajatrām̐");
+	test_transliterate_latin_to_devanagari("tānyajatrām̐", "तान्यजत्राँ");
+}
+END_TEST
+
 void register_translit_tests(TCase *test_case)
 {
 	tcase_add_test(test_case, test_translit_devanagari_to_latin);
 	tcase_add_test(test_case, test_translit_latin_to_devanagari);
 	tcase_add_test(test_case, test_translit_lla_sylable);
+	tcase_add_test(test_case, test_translit_candrabindu);
 }

transliteration.c

@@ -123,6 +123,13 @@ char *transliterate_latin_to_devanagari(const char *latin)
 			}
 		}
 
+		if (strncmp(src, "m\u0310", 3) == 0) {
+			utf8_pack_char(devanagari + done, 0x0901);
+			done += 3;
+			src += 3;
+			continue;
+		}
+
 		letter = letter_by_data(table, src);
 		if (letter) {
 			utf8_pack_char(devanagari + done, letter->code);