协作和0.0的bug

src/controllers/server.js

@@ -706,7 +706,14 @@ const server = {
 	            file["column"] += len;
 
 	            for(let i = 0; i < data.length; i++){
-	                data[i].splice(st_i, 0, addData[i]);
+					// data[i].splice(st_i, 0, addData[i]);
+
+					// 备注：区分插入的位置(可能是左侧插入或者右侧插入)
+					if(direction == "lefttop"){
+						data[i].splice(st_i, 0, addData[i]);
+					}else{
+						data[i].splice(st_i + 1, 0, addData[i]);
+					}
 	            }
 	        }
 

src/global/format.js

@@ -1353,8 +1353,16 @@ var make_ssf = function make_ssf(SSF) {
             }
         // var retval = "";
         var retval =  tempV === 0 ? "0" : "";
-        for (i = 0; i !== out.length; ++i)
-            if (out[i] != null) retval += out[i].v;
+        // for (i = 0; i !== out.length; ++i)
+        //     if (out[i] != null) retval += out[i].v;
+        for (i = 0; i !== out.length; ++i){
+            if (out[i] != null && out[i].v.startsWith(".")){
+                retval += out[i].v;
+            }else{
+                retval =  out[i].v || retval;
+            }
+        }
+   
         return retval;
     }
     SSF._eval = eval_fmt;