2 files changed, 18 insertions, 2 deletions
diff --git a/space.js b/space.js
index 638734f..912768b 100644
--- a/space.js
+++ b/space.js
@@ -110,9 +110,15 @@ function Space(){ // CLASS
   }
   this.subsection = function(range){ // range is a standard quadruplet
     newspace = new Space();
-    for (let line=0; line<range[2]-range[0]; line++) for (let chr=0; chr<range[3]-range[1]; chr++){
-      newspace.data[line][chr] = this.data[line+range[0]][line+range[1]] || '';
+    for (let line=0; line<=range[2]-range[0]; line++){
+      newspace.data.push([]);
+      for (let chr=0; chr<=range[3]-range[1]; chr++){
+        newspace.data[line].push(
+          this.data[line+range[0]][chr+range[1]] || ''
+        );
+      }
     }
+    return newspace;
   }
 }
     
diff --git a/tests/space_subsection.js b/tests/space_subsection.js
new file mode 100644
index 0000000..a2523e5
--- /dev/null
+++ b/tests/space_subsection.js
@@ -0,0 +1,10 @@
+// Tests Space.subsection()
+const space = require('../space');
+
+newspace = new space.Space();
+newspace.adhoc('\
+line\n\
+\n\
+long long long line\
+');
+console.log(newspace.subsection([1,1,2,10]));