more paint in diagnostic notebook

Author: bollwyvl

atest/examples/Diagnostic.ipynb

@@ -2,30 +2,28 @@
  "cells": [
   {
    "cell_type": "code",
-   "execution_count": 1,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
+    "# one `warning`, shows active line token highlighting\n",
     "from itertools import  (accumulate, chain); accumulate\n",
     "\n",
+    "# one `error`\n",
+    "XXXXXXXXXX"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# one `warning`, shows active line token highlighting\n",
+    "from itertools import  (accumulate, chain); accumulate\n",
     "\n",
-    "# fibs :: Integer :: [Integer]\n",
-    "def fibs(n):\n",
-    "    '''An accumulation of the first n integers in\n",
-    "       the Fibonacci series. The accumulator is a\n",
-    "       pair of the two preceding numbers.\n",
-    "    '''\n",
-    "    def go(ab, _):\n",
-    "        a, b = ab\n",
-    "        return (b, a + b)\n",
-    "\n",
-    "    return [xy[1] for xy in accumulate(\n",
-    "        chain(\n",
-    "            [(0, 1)],\n",
-    "            range(1, n)\n",
-    "        ),\n",
-    "        go\n",
-    "    )]"
+    "# one `error`\n",
+    "XXXXXXXXXX"
    ]
   },
   {
@@ -35,11 +33,20 @@
    "outputs": [],
    "source": [
     "%%R\n",
-    "x = 1\n",
-    "X = 1\n",
-    "test   \n",
-    "valid\n",
-    "0 / \"a\""
+    "# one `information`\n",
+    "test                 "
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "%%markdown\n",
+    "# Foo\n",
+    "# Foo\n",
+    "above, one `hint`"
    ]
   }
  ],