Playing with html generation

I think I prefer just letting nbconvert generating static files,
but if I want to switch to using Bokeh or other javascript based
rendering I'll need the HTML conversion facility.

pdf/formatting.py

@@ -0,0 +1,31 @@
+from __future__ import print_function
+import io
+import IPython.nbformat as nbformat
+import sys
+
+
+def remove_formatting(nb):
+    cells = nb['cells']
+    for i in range (len(cells)):
+        if 'source' in cells[i].keys():
+            if cells[i]['source'][0:16] == '#format the book':
+                del cells[i]
+                return
+
+
+def remove_links(nb):
+    c = nb['cells']
+    for i in range (len(c)):
+        if 'source' in c[i].keys():
+            if c[i]['source'][0:19] == '[Table of Contents]':
+                del c[i]
+                return
+
+
+def remove_links_add_appendix(nb):
+    c = nb['cells']
+    for i in range (len(c)):
+        if 'source' in c[i].keys():
+            if c[i]['source'][0:19] == '[Table of Contents]':
+                c[i]['source'] = '\\appendix'
+                return