From b6aafcb269925ae0780d4567c8f9e1457145e822 2014-08-29 02:00:39
From: Brian E. Granger <ellisonbg@gmail.com>
Date: 2014-08-29 02:00:39
Subject: [PATCH] Adding partial latex completions.

---

diff --git a/IPython/core/completer.py b/IPython/core/completer.py
index c07e65a..8a1ee6b 100644
--- a/IPython/core/completer.py
+++ b/IPython/core/completer.py
@@ -973,7 +973,14 @@ class IPCompleter(Completer):
         if slashpos > -1:
             s = text[slashpos:]
             if s in latex_symbols:
+                # Try to complete a full latex symbol to unicode
+                # \\alpha -> α
                 return s, [latex_symbols[s]]
+            else:
+                # If a user has partially typed a latex symbol, give them
+                # a full list of options \al -> [\aleph, \alpha]
+                matches = [k for k in latex_symbols if k.startswith(s)]
+                return s, matches
         return u'', []
 
     def dispatch_custom_completer(self, text):