===================================================================
RCS file: /cvs/texi2mdoc/main.c,v
retrieving revision 1.47
retrieving revision 1.51
diff -u -p -r1.47 -r1.51
--- texi2mdoc/main.c	2015/02/25 15:04:13	1.47
+++ texi2mdoc/main.c	2015/02/27 19:28:55	1.51
@@ -1,4 +1,4 @@
-/*	$Id: main.c,v 1.47 2015/02/25 15:04:13 kristaps Exp $ */
+/*	$Id: main.c,v 1.51 2015/02/27 19:28:55 kristaps Exp $ */
 /*
  * Copyright (c) 2015 Kristaps Dzonsons <kristaps@bsd.lv>
  *
@@ -296,8 +296,8 @@ static	const struct texitok __texitoks[TEXICMD__MAX] =
 	{ dosubsubsection, "subsubsection", 13 }, /* TEXICMD_SUBSUBSECTION */
 	{ doignline, "subtitle", 8 }, /* TEXICMD_SUBTITLE */
 	{ doignline, "summarycontents", 15 }, /* TEXICMD_SUMMARYCONTENTS */
-	{ doignline, "synindex", 8 }, /* TEXICMD_SYNINDEX */
-	{ doignline, "syncodeindex", 12 }, /* TEXICMD_SYNCODEINDEX */
+	{ dodefindex, "synindex", 8 }, /* TEXICMD_SYNINDEX */
+	{ dodefindex, "syncodeindex", 12 }, /* TEXICMD_SYNCODEINDEX */
 	{ doinline, "t", 1 }, /* TEXICMD_T */
 	{ dotab, "tab", 3 }, /* TEXICMD_TAB */
 	{ dosymbol, "\t", 1 }, /* TEXICMD_TABSYM */
@@ -432,7 +432,8 @@ dodefn(struct texi *p, enum texicmd cmd, size_t *pos)
 		break;
 	}
 
-	texiputchars(p, ":\n");
+	texiputchar(p, ':');
+	texiputchar(p, '\n');
 
 	switch (cmd) {
 	case (TEXICMD_DEFMAC):
@@ -727,7 +728,7 @@ doverb(struct texi *p, enum texicmd cmd, size_t *pos)
 			break;
 		advance(p, pos);
 	}
-	if (*pos == BUFSZ(p) - 1)
+	if (*pos >= BUFSZ(p) - 1)
 		return;
 	texiputbuf(p, start, *pos);
 
@@ -989,7 +990,7 @@ doaccent(struct texi *p, enum texicmd cmd, size_t *pos
 	if ('{' == BUF(p)[*pos]) {
 		brace = 1;
 		advance(p, pos);
-	} else if (isalpha(texitoks[cmd].tok[0])) 
+	} else if (isalpha((unsigned char)texitoks[cmd].tok[0])) 
 		while (*pos < BUFSZ(p) && isws(BUF(p)[*pos]))
 			advance(p, pos);
 
@@ -1311,7 +1312,7 @@ dosymbol(struct texi *p, enum texicmd cmd, size_t *pos
 	}
 
 	/* Alphabetic commands have braces we ignore. */
-	if (isalpha(texitoks[cmd].tok[0]))
+	if (isalpha((unsigned char)texitoks[cmd].tok[0]))
 		doignbracket(p, cmd, pos);
 }
 
@@ -1607,7 +1608,7 @@ dotop(struct texi *p, enum texicmd cmd, size_t *pos)
 	teximacroclose(p);
 	teximacroopen(p, "Dt");
 	for (cp = p->title; '\0' != *cp; cp++)
-		texiputchar(p, toupper(*cp));
+		texiputchar(p, toupper((unsigned int)*cp));
 	texiputchars(p, " 7");
 	teximacroclose(p);
 	teximacro(p, "Os");