what have i done

src/lib/csound-reference/real-time-midi-event-extenders.ts

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+import type { CsoundReference } from './types'
+
+// Real-time MIDI:Event Extenders
+export const realTimeMidiEventExtenders: CsoundReference[] = [
+{
+  name: 'lastcycle',
+  type: 'opcode',
+  category: 'Real-time MIDI:Event Extenders',
+  description: 'Indicates whether an event is in its last performance cycle.',
+  syntax: 'kflag = lastcycle()',
+  example: '--8<-- "examples/lastcycle.csd"',
+  parameters: [
+    {
+      name: 'kflag',
+      description: 'indicates whether the note is in its _last cycle_. (1 if this the last cycle, otherwise 0)',
+      type: 'performance'
+    },
+  ],
+  seeAlso: ['Event Extenders']
+},
+{
+  name: 'release',
+  type: 'opcode',
+  category: 'Real-time MIDI:Event Extenders',
+  description: 'Indicates whether a note is in its _release_ stage.',
+  syntax: 'kflag = release()',
+  parameters: [
+    {
+      name: 'kflag',
+      description: 'indicates whether the note is in its _release_ stage. (1 if a note off is received, otherwise 0)',
+      type: 'performance'
+    },
+  ],
+  seeAlso: ['Event Extenders']
+},
+]