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-rw-r--r--src/newgrf_text.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/newgrf_text.h b/src/newgrf_text.h
index a4c5f6123..ac0c79130 100644
--- a/src/newgrf_text.h
+++ b/src/newgrf_text.h
@@ -39,6 +39,9 @@ void StopTextRefStackUsage();
void SwitchToNormalRefStack();
void SwitchToErrorRefStack();
void RewindTextRefStack();
+bool UsingNewGRFTextStack();
+struct TextRefStack *CreateTextRefStackBackup();
+void RestoreTextRefStackBackup(struct TextRefStack *backup);
uint RemapNewGRFStringControlCode(uint scc, char *buf_start, char **buff, const char **str, int64 *argv);
StringID TTDPStringIDToOTTDStringIDMapping(StringID string);