numparam, drop some typedefs

src/frontend/numparam/numparam.h

@@ -9,10 +9,7 @@
 
 /***** numparam internals ********/
 
-typedef enum {Nodekey = '#'} _nNodekey;  /* Introduces node symbol */
 typedef enum {Intro   = '&'} _nIntro;    /* Introduces preprocessor tokens */
-typedef enum {Comment = '*'} _nComment;  /* Spice Comment lines */
-typedef enum {Psp     = '{'} _nPsp;      /* Ps expression */
 
 
 /* -----------------------------------------------------------------

src/frontend/numparam/xpressn.c

@@ -1208,7 +1208,7 @@ nupa_substitute(dico_t *dico, char *s, char *r, bool err)
         i++;
         c = s[i - 1];
 
-        if (c == Psp) {
+        if (c == '{') {
             /* try ps expression syntax */
             k = i;
             nnest = 1;