fix: {.calc.} not working with very small numbers (because rendered with exponential syntax)

Author: rejetto

scriptLib.pas

@@ -1962,10 +1962,7 @@ function cbMacros(fullMacro:string; pars:Tstrings; cbData:pointer):string;
       begin
       try
         if isFalse(parEx('if')) then
-          begin
-          result:='';
-          exit;
-          end;
+          exit('');
       except end;
       result:=md.cd.disconnectReason; // return the previous state
       if pars.count > 0 then md.cd.disconnectReason:=p;

utillib.pas

@@ -2576,7 +2576,8 @@ function evalFormula(s:string):real;
   i:=mImp+dir;
     repeat
     j:=i+dir;
-    if (j > 0) and (j <= length(s)) and charInSet(s[j], ['0'..'9','.']) then
+    if (j > 0) and (j <= length(s))
+    and (charInSet(s[j], ['0'..'9','.','E']) or (j>1) and charInSet(s[j],['+','-']) and (s[j-1]='E')) then
       i:=j
     else
       break;
@@ -2606,6 +2607,7 @@ function evalFormula(s:string):real;
       end;
 
     if (i = 1) // a starting operator is not an operator
+    or (s[i-1]='E') // exponential syntax
     or (v <= mImpV) // left-to-right precedence
     then continue;
     // we got a better one, record it