update built-in function table.l

NotHimmel · NotHimmel · commit 415e5924dd65 · 2025-09-18T14:07:16.000+08:00
diff --git a/CN/modules/ROOT/pages/master/7.8.adoc b/CN/modules/ROOT/pages/master/7.8.adoc
@@ -38,6 +38,7 @@
 |new_time
 |tz_offset
 |trunc
+|instr
 |instrb
 |substr
 |substrb
diff --git a/EN/modules/ROOT/pages/master/7.8.adoc b/EN/modules/ROOT/pages/master/7.8.adoc
@@ -38,6 +38,7 @@
 |new_time
 |tz_offset
 |trunc
+|instr
 |instrb
 |substr
 |substrb
