doc: Fixed unicode symbol conversion

diff --git a/doc/conf.py b/doc/conf.py
index 52f4d11cde31514639946f655523d341c64249ca..4a67d56edc1701d34d21ff45ab5d4f0548ae33f4 100644 (file)
--- a/doc/conf.py
+++ b/doc/conf.py
@@ -184,6 +184,9 @@ latex_elements = {
 
 # Additional stuff for the LaTeX preamble.
 #'preamble': '',
+
+# Needed for unicode symbol conversion.
+'fontpkg': '',
 }
 
 # Grouping the document tree into LaTeX files. List of tuples