some missing brackets, typos

src/frontend/plotting/graf.c

@@ -79,7 +79,7 @@ int gr_init(double *xlims, double *ylims, /* The size of the screen. */
         const char *ylabel, /* Labels for axes. */
         int xtype, int ytype, /* The types of the data graphed. */
         const char *pname,
-        const char *commandline) /* For xi_zoomdata() */
+        const char *commandline, /* For xi_zoomdata() */
         int prevgraph)                /* plot id, if started from a previous plot*/
 {
     GRAPH *graph;
@@ -762,7 +762,7 @@ static int iplot(struct plot *pl, int id)
         (void) gr_init(xlims, ylims, xs->v_name,
                 pl->pl_title, NULL, n_vec_plot, 0.0, 0.0,
                 GRID_LIN, PLOT_LIN, xs->v_name, yl, xs->v_type, yt,
-                plot_cur->pl_typename, commandline);
+                plot_cur->pl_typename, commandline, 0);
 
         for (v = pl->pl_dvecs; v; v = v->v_next) {
             if (v->v_flags & VF_PLOT) {

src/frontend/plotting/plotit.c

@@ -275,14 +275,9 @@ bool plotit(wordlist *wl, const char *hcopy, const char *devname)
         return FALSE;
     }
 
-    /* All these things are static so that "samep" will work. 
-    static double *xcompress = NULL, *xindices = NULL;
-    static double *xlim = NULL, *ylim = NULL, *xynull;
-    static double *xdelta = NULL, *ydelta = NULL;
-    static char *xlabel = NULL, *ylabel = NULL, *title = NULL;
-    static double *xprevgraph = NULL;*/
-
+    static double *xprevgraph = NULL;
     int prevgraph = 0;
+
     static bool nointerp = FALSE;
     static GRIDTYPE gtype = GRID_LIN;
     static PLOTTYPE ptype = PLOT_LIN;
@@ -333,7 +328,7 @@ bool plotit(wordlist *wl, const char *hcopy, const char *devname)
     nylabel = getword(wwl, "ylabel");
     ntitle = getword(wwl, "title");
     /* remove sgraphid */
-    txfee(getlims(wwl, "sgraphid", 1));
+    txfree(getlims(wwl, "sgraphid", 1));
 
     /* Build the plot command. This construction had been done with wordlists
      * and reversing, and flattening, but it is clearer as well as much more

src/frontend/wdisp/windisp.c

@@ -412,7 +412,7 @@ LRESULT CALLBACK PlotWindowProc(HWND hwnd, UINT uMsg,
             hdc = GetDC(hwnd);
             GRAPH* gr = pGraph(hwnd);
             isblack = get_black(gr);
-            if (isblack)
+            if (isblack) {
                 prevmix = SetROP2(hdc, R2_XORPEN);
             }
             else {