fixes #677

Author: jph00

fastcore/xml.py

@@ -189,15 +189,16 @@ def _to_xml(elm, lvl=0, indent=True, do_escape=True):
         if sattrs: stag += f' {sattrs}'
 
     cltag = '' if is_void else f'</{tag}>'
+    stag_ = f'<{stag}>' if stag else ''
 
     if not cs:
-        if is_void: return f'{sp}<{stag}>{nl_end}'
-        else: return f'{sp}<{stag}>{cltag}{nl_end}'
+        if is_void: return f'{sp}{stag_}{nl_end}'
+        else: return f'{sp}{stag_}{cltag}{nl_end}'
     if len(cs) == 1 and not isinstance(cs[0], (list, tuple, FT)) and not hasattr(cs[0], '__ft__'):
         content = esc_fn(cs[0])
-        return f'{sp}<{stag}>{content}{cltag}{nl_end}'
+        return f'{sp}{stag_}{content}{cltag}{nl_end}'
 
-    res = f'{sp}<{stag}>{nl}'
+    res = f'{sp}{stag_}{nl}'
     for c in cs:
         res += _to_xml(c, lvl=lvl+2 if indent else 0, indent=indent, do_escape=do_escape)
     if not is_void: res += f'{sp}{cltag}{nl_end}'

nbs/03_xtras.ipynb

@@ -1914,8 +1914,15 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "from plum import Function\n",
-    "\n",
+    "from plum import Function"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
     "def f1(x): return \"Any\"\n",
     "def f2(x:int): return \"Int\"\n",
     "\n",

nbs/09_xml.ipynb

@@ -441,15 +441,16 @@
     "        if sattrs: stag += f' {sattrs}'\n",
     "\n",
     "    cltag = '' if is_void else f'</{tag}>'\n",
+    "    stag_ = f'<{stag}>' if stag else ''\n",
     "\n",
     "    if not cs:\n",
-    "        if is_void: return f'{sp}<{stag}>{nl_end}'\n",
-    "        else: return f'{sp}<{stag}>{cltag}{nl_end}'\n",
+    "        if is_void: return f'{sp}{stag_}{nl_end}'\n",
+    "        else: return f'{sp}{stag_}{cltag}{nl_end}'\n",
     "    if len(cs) == 1 and not isinstance(cs[0], (list, tuple, FT)) and not hasattr(cs[0], '__ft__'):\n",
     "        content = esc_fn(cs[0])\n",
-    "        return f'{sp}<{stag}>{content}{cltag}{nl_end}'\n",
+    "        return f'{sp}{stag_}{content}{cltag}{nl_end}'\n",
     "\n",
-    "    res = f'{sp}<{stag}>{nl}'\n",
+    "    res = f'{sp}{stag_}{nl}'\n",
     "    for c in cs:\n",
     "        res += _to_xml(c, lvl=lvl+2 if indent else 0, indent=indent, do_escape=do_escape)\n",
     "    if not is_void: res += f'{sp}{cltag}{nl_end}'\n",

nbs/nbdev.yml

@@ -5,5 +5,5 @@ website:
   title: "fastcore"
   site-url: "https://fastcore.fast.ai/"
   description: "Python supercharged for fastai development"
-  repo-branch: master
+  repo-branch: main
   repo-url: "https://github.com/AnswerDotAI/fastcore/"