Change π to plain "pi" in index entry, to avoid double escaping issues.

diff --git a/doc/src/sgml/func.sgml b/doc/src/sgml/func.sgml
index ca9c5355293b269c2949a0233844adfd94ad7115..aef648e79d7a0e62644cd53c2f9daa9c3f1cfb0f 100644 (file)
--- a/doc/src/sgml/func.sgml
+++ b/doc/src/sgml/func.sgml
@@ -1,4 +1,4 @@
-
+
 
  
   Functions and Operators
@@ -633,7 +633,7 @@
     mod
    
    
-    π
+    pi
    
    
     power