fix bsearch tables that must be sorted, add comment to all tables that must be sorted

src/sp65/convert.c

@@ -61,7 +61,8 @@ struct ConverterMapEntry {
     StrBuf*             (*ConvertFunc) (const Bitmap*, const Collection*);
 };
 
-/* Converter table, alphabetically sorted */
+/* Converter table */
+/* CAUTION: table must be alphabetically sorted for bsearch */
 static const ConverterMapEntry ConverterMap[] = {
     {   "geos-bitmap",          GenGeosBitmap   },
     {   "geos-icon",            GenGeosIcon     },

src/sp65/input.c

@@ -69,7 +69,8 @@ static InputFormatDesc InputFormatTable[ifCount] = {
     {   ReadPCXFile     },
 };
 
-/* Table that maps extensions to input formats. Must be sorted alphabetically */
+/* Table that maps extensions to input formats. */
+/* CAUTION: table must be alphabetically sorted for bsearch */
 static const FileId FormatTable[] = {
     /* Upper case stuff for obsolete operating systems */
     {   "PCX",  ifPCX           },

src/sp65/output.c

@@ -78,7 +78,8 @@ static OutputFormatDesc OutputFormatTable[ofCount] = {
     {   WriteCFile      },
 };
 
-/* Table that maps extensions to Output formats. Must be sorted alphabetically */
+/* Table that maps extensions to Output formats. */
+/* CAUTION: table must be alphabetically sorted for bsearch */
 static const FileId FormatTable[] = {
     /* Upper case stuff for obsolete operating systems */
     {   "A",    ofAsm           },

src/sp65/palconv.c

@@ -56,7 +56,8 @@ struct PaletteMapEntry {
     StrBuf*             (*PaletteFunc) (const Bitmap*, const Collection*);
 };
 
-/* Converter table, alphabetically sorted */
+/* Converter table */
+/* CAUTION: table must be alphabetically sorted for bsearch */
 static const PaletteMapEntry PaletteMap[] = {
     {   "lynx-palette",         GenLynxPalette  },
 };