Some more fixes.

IPython/nbconvert/templates/latex/latex_article.tplx

@@ -11,9 +11,6 b''
 ((*- extends 'sphinx.tplx' -*))
 
 
-
-
-
 ((* set parentdocumentclass = 'article' *))
 ((* set documentclass = 'howto' *))
 

IPython/nbconvert/templates/latex/latex_book.tplx

@@ -11,9 +11,6 b''
 ((*- extends 'sphinx.tplx' -*))
 
 
-
-
-
 ((* set parentdocumentclass = 'report' *))
 ((* set documentclass = 'manual' *))
 

IPython/nbconvert/templates/reveal_internals/reveal_cells.tpl

@@ -1,5 +1,6 b''
 {%- extends 'html_basic.tpl' -%}
 
+
 {%- block any_cell scoped -%}
 {%- if cell.metadata.slide_type in ['-', 'slide', 'subslide'] -%}  
     {{ super() }}

IPython/nbconvert/templates/slides_reveal.tpl

@@ -182,4 +182,4 b' MathJax.Hub.Rerender(event.currentSlide);'
 
 {% block footer %}
 </html>
-{% endblock footer %}
+{% endblock footer %}
  No newline at end of file