From 8ecadda427e63b2f17c060874d90e8a81d994bf9 2014-10-15 19:12:07
From: Jessica B. Hamrick <jhamrick@berkeley.edu>
Date: 2014-10-15 19:12:07
Subject: [PATCH] Display prompt numbers correctly in latex output

---

diff --git a/IPython/nbconvert/templates/latex/style_bw_ipython.tplx b/IPython/nbconvert/templates/latex/style_bw_ipython.tplx
index 84859ab..256873c 100644
--- a/IPython/nbconvert/templates/latex/style_bw_ipython.tplx
+++ b/IPython/nbconvert/templates/latex/style_bw_ipython.tplx
@@ -33,7 +33,7 @@
 % Name: draw_prompt
 % Purpose: Renders an output/input prompt
 ((* macro add_prompt(text, cell, prompt) -*))
-    ((*- set prompt_number = "" ~ cell.prompt_number -*))
+    ((*- set prompt_number = "" ~ (cell.prompt_number | replace(None, " ")) -*))
     ((*- set indentation = " " * (prompt_number | length + 7) -*))
 \begin{verbatim}
 (((- text | add_prompts(first=prompt ~ '[' ~ prompt_number ~ ']: ', cont=indentation) -)))
diff --git a/IPython/nbconvert/templates/latex/style_ipython.tplx b/IPython/nbconvert/templates/latex/style_ipython.tplx
index 7799d18..c89abbb 100644
--- a/IPython/nbconvert/templates/latex/style_ipython.tplx
+++ b/IPython/nbconvert/templates/latex/style_ipython.tplx
@@ -46,7 +46,7 @@
 % Name: draw_prompt
 % Purpose: Renders an output/input prompt
 ((* macro add_prompt(text, cell, prompt, prompt_color) -*))
-    ((*- set prompt_number = "" ~ cell.prompt_number -*))
+    ((*- set prompt_number = "" ~ (cell.prompt_number | replace(None, " ")) -*))
     ((*- set indention =  " " * (prompt_number | length + 7) -*))
 \begin{Verbatim}[commandchars=\\\{\}]
 ((( text | add_prompts(first='{\color{' ~ prompt_color ~ '}' ~ prompt ~ '[{\\color{' ~ prompt_color ~ '}' ~ prompt_number ~ '}]:} ', cont=indention) )))