Still doesn't compile, but I think excellent progress.

src/c/payloads/symbol.c

@@ -0,0 +1,29 @@
+/**
+ * symbol.c
+ *
+ * Post Scarcity Soctware Environment
+ *
+ * TODO: Edit purpose.
+ * 
+ * Copyright (c): 27 Apr 2026 Simon Brooke <simon@journeyman.cc>
+ * Licensed under GPL version 2.0, or, at your option, any later version.
+ */
+
+#include <wctype.h>
+
+#include "memory/pointer.h"
+#include "memory/tags.h"
+#include "ops/string_ops.h"
+
+ /**
+  * Construct a symbol from the character `c` and this `tail`. A string is
+  * implemented as a flat list of cells each of which has one character and a
+  * pointer to the next; in the last cell the pointer to next is NIL.
+  *
+  * @param c the character to add (prepend);
+  * @param tail the symbol which is being built.
+  */
+struct pso_pointer make_symbol( struct pso_pointer frame_pointer, wint_t c,
+                                 struct pso_pointer tail ) {
+     return make_string_like_thing( frame_pointer, c, tail, SYMBOLTAG );
+ }