Revert "v(/out) --> v("/out") when node name starts with math or number char"

This reverts commit 0de8fb8783.

src/frontend/plotting/plotit.c

@@ -297,9 +297,6 @@ bool plotit(wordlist *wl, const char *hcopy, const char *devname)
     char *nxlabel = NULL, *nylabel = NULL, *ntitle = NULL;
     double tstep, tstart, tstop, ttime;
 
-    /* v(/out) --> v("/out") when node name starts with math or number char */
-    set_double_quotes(wl);
-
     /* Save start of vectors on entry for cleaning up junk left behind
      * by ft_getpnames() */
     struct dvec *dv_head_orig =

src/frontend/postcoms.c

@@ -25,7 +25,6 @@ Author: 1985 Wayne A. Christopher, U. C. Berkeley CAD Group
 
 #include "ngspice/compatmode.h"
 
-bool set_double_quotes(wordlist* wl);
 static void killplot(struct plot *pl);
 static void DelPlotWindows(struct plot *pl);
 
@@ -48,50 +47,6 @@ is_scale_vec_of_current_plot(const char *v_name)
 } /* end of function is_scale_vec_of_current_plot */
 
 
-/* writing, printing or plotting will fail when the node name starts with
-   a number or math character, even when enclosed in V() like V(2p). So
-   automatically place "" around, like V("2p"). Take care in the code
-   following set_double_quotes() that the double quotes are removed when
-   printing the name. Returns TRUE when quotes have been set. Multiple
-   v() may occur in a row.
-*/
-bool set_double_quotes(wordlist* wl)
-{
-    wordlist* wltmp;
-    bool retval = FALSE;
-    for (wltmp = wl; wltmp; wltmp = wltmp->wl_next) {
-        char* tmpstr, *tmpstr1, *tmpstr2 = NULL, *newstr;
-        tmpstr = tmpstr1 = wltmp->wl_word;
-        while (tmpstr && *tmpstr != '\0') {
-            tmpstr = strstr(tmpstr, "v(");
-            if (!tmpstr)
-                continue;
-            else if (tmpstr == wltmp->wl_word && tmpstr[2] != '\"')
-                tmpstr2 = tmpstr;
-            else if (tmpstr[2] == '\"' || (!isspace_c(tmpstr[-1]) && !is_arith_char(tmpstr[-1]))) {
-                tmpstr++;
-                continue;
-            }
-            else
-                tmpstr2 = tmpstr;
-            /* test if math character or number */
-            if (tmpstr2 && (is_arith_char(tmpstr2[2]) || isdigit(tmpstr2[2]))) {
-                char* mstr;
-                tmpstr2 += 2;
-                char* bstr = copy_substring(wltmp->wl_word, tmpstr2);
-                mstr = gettok_char(&tmpstr2, ')', FALSE, FALSE);
-                newstr = tprintf("%s%s%s%s%s", bstr, "\"", mstr, "\"", tmpstr2);
-                tfree(bstr);
-                tfree(mstr);
-                tfree(wltmp->wl_word);
-                wltmp->wl_word = tmpstr = newstr;
-            }
-            else
-                tmpstr++;
-        }
-    }
-    return retval;
-}
 
 /* Remove vectors in the wordlist from the current plot */
 void
@@ -178,8 +133,6 @@ com_print(wordlist *wl)
     if (wl == NULL)
         return;
 
-    set_double_quotes(wl);
-
     buf = TMALLOC(char, BSIZE_SP);
     buf2 = TMALLOC(char, BSIZE_SP);
 
@@ -488,7 +441,6 @@ com_write(wordlist *wl)
     if (wl) {
         file = wl->wl_word;
         wl = wl->wl_next;
-        set_double_quotes(wl);
     } else {
         file = ft_rawfile;
     }

src/include/ngspice/fteext.h

@@ -286,9 +286,6 @@ extern int ft_findpoint(double pt, double *lims, int maxp, int minp, bool islog)
 extern double *ft_minmax(struct dvec *v, bool real);
 extern void ft_graf(struct dvec *v, struct dvec *xs, bool nostart);
 
-/* postcoms.c */
-extern bool set_double_quotes(wordlist * wl);
-
 /* rawfile.c */
 extern int raw_prec;
 extern void raw_write(char *name, struct plot *pl, bool app, bool binary);