fixes #820

Author: jph00

fastcore/xml.py

@@ -252,9 +252,9 @@ def showtags(s):
 
 FT._repr_markdown_ = highlight
 
-# %% ../nbs/09_xml.ipynb #1d8a28b1
+# %% ../nbs/09_xml.ipynb #b1a1fbd4
 def __getattr__(tag):
     if tag.startswith('_') or tag[0].islower(): raise AttributeError
-    tag = _fix_k(tag)
+    tag = re.sub(r'(?<=[a-z0-9])(?=[A-Z])', '-', _fix_k(tag)).lower()
     def _f(*c, target_id=None, **kwargs): return ft(tag, *c, target_id=target_id, **kwargs)
     return _f

nbs/09_xml.ipynb

@@ -1008,18 +1008,82 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "1d8a28b1",
+   "id": "b1a1fbd4",
    "metadata": {},
    "outputs": [],
    "source": [
     "#| export\n",
     "def __getattr__(tag):\n",
     "    if tag.startswith('_') or tag[0].islower(): raise AttributeError\n",
-    "    tag = _fix_k(tag)\n",
+    "    tag = re.sub(r'(?<=[a-z0-9])(?=[A-Z])', '-', _fix_k(tag)).lower()\n",
     "    def _f(*c, target_id=None, **kwargs): return ft(tag, *c, target_id=target_id, **kwargs)\n",
     "    return _f"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "9cbf8947",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "from fastcore.xml import Foo_bar,Foo_Bar,BarBaz,BarBAZ"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "90b74b67",
+   "metadata": {},
+   "source": [
+    "Any `_` is converted to `-`:"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "6ea4ee4f",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "<foo-bar></foo-bar>\n",
+      "<foo-bar></foo-bar>\n"
+     ]
+    }
+   ],
+   "source": [
+    "print(Foo_bar())\n",
+    "print(Foo_Bar())"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "4933785e",
+   "metadata": {},
+   "source": [
+    "Mixed case is converted too:"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "29f14461",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "<bar-baz></bar-baz>\n"
+     ]
+    }
+   ],
+   "source": [
+    "print(BarBaz())"
+   ]
+  },
   {
    "cell_type": "markdown",
    "id": "df973d4e",
@@ -1040,7 +1104,16 @@
    ]
   }
  ],
- "metadata": {},
+ "metadata": {
+  "solveit": {
+   "default_code": false,
+   "mode": "learning",
+   "use_fence": false,
+   "use_thinking": false,
+   "use_tools": true,
+   "ver": 2
+  }
+ },
  "nbformat": 4,
  "nbformat_minor": 5
 }