docu update

src/operator_help.h

@@ -418,8 +418,7 @@ static char *SelvarHelp[] = {
     "    sellevidx, selgrid, selzaxis, selltype, seltabnum - Select fields",
     "",
     "SYNOPSIS",
-    "    selparam,params  ifile ofile",
-    "    delparam,params  ifile ofile",
+    "    <operator>,params  ifile ofile",
     "    selcode,codes  ifile ofile",
     "    delcode,codes  ifile ofile",
     "    selname,names  ifile ofile",
@@ -1452,15 +1451,7 @@ static char *EnsstatHelp[] = {
     "    enspctl - Statistical values over an ensemble",
     "",
     "SYNOPSIS",
-    "    ensmin  ifiles ofile",
-    "    ensmax  ifiles ofile",
-    "    enssum  ifiles ofile",
-    "    ensmean  ifiles ofile",
-    "    ensavg  ifiles ofile",
-    "    ensstd  ifiles ofile",
-    "    ensstd1  ifiles ofile",
-    "    ensvar  ifiles ofile",
-    "    ensvar1  ifiles ofile",
+    "    <operator>  ifiles ofile",
     "    enspctl,p  ifiles ofile",
     "",
     "DESCRIPTION",
@@ -1615,15 +1606,7 @@ static char *FldstatHelp[] = {
     "    fldpctl - Statistical values over a field",
     "",
     "SYNOPSIS",
-    "    fldmin  ifile ofile",
-    "    fldmax  ifile ofile",
-    "    fldsum  ifile ofile",
-    "    fldmean  ifile ofile",
-    "    fldavg  ifile ofile",
-    "    fldstd  ifile ofile",
-    "    fldstd1  ifile ofile",
-    "    fldvar  ifile ofile",
-    "    fldvar1  ifile ofile",
+    "    <operator>  ifile ofile",
     "    fldpctl,p  ifile ofile",
     "",
     "DESCRIPTION",
@@ -1690,13 +1673,7 @@ static char *ZonstatHelp[] = {
     "    Zonal statistical values",
     "",
     "SYNOPSIS",
-    "    zonmin  ifile ofile",
-    "    zonmax  ifile ofile",
-    "    zonsum  ifile ofile",
-    "    zonmean  ifile ofile",
-    "    zonavg  ifile ofile",
-    "    zonvar  ifile ofile",
-    "    zonstd  ifile ofile",
+    "    <operator>  ifile ofile",
     "    zonpctl,p  ifile ofile",
     "",
     "DESCRIPTION",
@@ -1735,13 +1712,7 @@ static char *MerstatHelp[] = {
     "    Meridional statistical values",
     "",
     "SYNOPSIS",
-    "    mermin  ifile ofile",
-    "    mermax  ifile ofile",
-    "    mersum  ifile ofile",
-    "    mermean  ifile ofile",
-    "    meravg  ifile ofile",
-    "    mervar  ifile ofile",
-    "    merstd  ifile ofile",
+    "    <operator>  ifile ofile",
     "    merpctl,p  ifile ofile",
     "",
     "DESCRIPTION",
@@ -3382,10 +3353,7 @@ static char *SpectralHelp[] = {
     "    sp2gp, sp2gpl, gp2sp, gp2spl, sp2sp - Spectral transformation",
     "",
     "SYNOPSIS",
-    "    sp2gp  ifile ofile",
-    "    sp2gpl  ifile ofile",
-    "    gp2sp  ifile ofile",
-    "    gp2spl  ifile ofile",
+    "    <operator>  ifile ofile",
     "    sp2sp,trunc  ifile ofile",
     "",
     "DESCRIPTION",