Add a STRING8 format code

src/strgen/strgen_base.cpp

@@ -639,6 +639,7 @@ static const CmdStruct *TranslateCmdForCompare(const CmdStruct *a)
 			strcmp(a->cmd, "STRING5") == 0 ||
 			strcmp(a->cmd, "STRING6") == 0 ||
 			strcmp(a->cmd, "STRING7") == 0 ||
+			strcmp(a->cmd, "STRING8") == 0 ||
 			strcmp(a->cmd, "RAW_STRING") == 0) {
 		return FindCmd("STRING", 6);
 	}

src/strings.cpp

@@ -1299,7 +1299,8 @@ static char *FormatString(char *buff, const char *str_arg, StringParameters *arg
 			case SCC_STRING4:
 			case SCC_STRING5:
 			case SCC_STRING6:
-			case SCC_STRING7: { // {STRING1..7}
+			case SCC_STRING7:
+			case SCC_STRING8: { // {STRING1..8}
 				/* Strings that consume arguments */
 				StringID str = args->GetInt32(b);
 				if (game_script && GetStringTab(str) != TEXT_TAB_GAMESCRIPT_START) break;

src/table/control_codes.h

@@ -89,6 +89,7 @@ enum StringControlCode {
 	SCC_STRING5,
 	SCC_STRING6,
 	SCC_STRING7,
+	SCC_STRING8,
 
 
 	SCC_STRING,

src/table/strgen_tables.h

@@ -70,6 +70,7 @@ static const CmdStruct _cmd_structs[] = {
 	{"STRING5",           EmitSingleChar, SCC_STRING5,            6, -1, C_CASE | C_GENDER}, // included string that consumes the string id and FIVE arguments
 	{"STRING6",           EmitSingleChar, SCC_STRING6,            7, -1, C_CASE | C_GENDER}, // included string that consumes the string id and SIX arguments
 	{"STRING7",           EmitSingleChar, SCC_STRING7,            8, -1, C_CASE | C_GENDER}, // included string that consumes the string id and SEVEN arguments
+	{"STRING8",           EmitSingleChar, SCC_STRING8,            9, -1, C_CASE | C_GENDER}, // included string that consumes the string id and EIGHT arguments
 
 	{"STATION_FEATURES",  EmitSingleChar, SCC_STATION_FEATURES,   1, -1, C_NONE}, // station features string, icons of the features
 	{"INDUSTRY",          EmitSingleChar, SCC_INDUSTRY_NAME,      1, -1, C_CASE | C_GENDER}, // industry, takes an industry #, can have cases