Something is ...

... running B::Xref on a minimalist script shows the namespace being magically populated

t_float.pl       (definitions)     0 version         & (""            
+  subdef
t_float.pl       (definitions)     0 version         & ()             
+  subdef
t_float.pl       (definitions)     0 version         & (*             
+  subdef
t_float.pl       (definitions)     0 version         & (*=            
+  subdef
t_float.pl       (definitions)     0 version         & (+             
+  subdef
t_float.pl       (definitions)     0 version         & (+=            
+  subdef
t_float.pl       (definitions)     0 version         & (-             
+  subdef
t_float.pl       (definitions)     0 version         & (-=            
+  subdef
t_float.pl       (definitions)     0 version         & (/             
+  subdef
t_float.pl       (definitions)     0 version         & (/=            
+  subdef
t_float.pl       (definitions)     0 version         & (0+            
+  subdef
t_float.pl       (definitions)     0 version         & (<=>           
+  subdef
t_float.pl       (definitions)     0 version         & (abs           
+  subdef
t_float.pl       (definitions)     0 version         & (bool          
+  subdef
t_float.pl       (definitions)     0 version         & (cmp           
+  subdef
t_float.pl       (definitions)     0 version         & (nomethod      
+  subdef
t_float.pl       (definitions)     0 version         & _VERSION       
+  subdef
t_float.pl       (definitions)     0 version         & boolean        
+  subdef
t_float.pl       (definitions)     0 version         & declare        
+  subdef
t_float.pl       (definitions)     0 version         & is_alpha       
+  subdef
t_float.pl       (definitions)     0 version         & is_qv          
+  subdef
t_float.pl       (definitions)     0 version         & new            
+  subdef
t_float.pl       (definitions)     0 version         & noop           
+  subdef
t_float.pl       (definitions)     0 version         & normal         
+  subdef
t_float.pl       (definitions)     0 version         & numify         
+  subdef
t_float.pl       (definitions)     0 version         & parse          
+  subdef
t_float.pl       (definitions)     0 version         & qv             
+  subdef
t_float.pl       (definitions)     0 version         & stringify      
+  subdef
t_float.pl       (definitions)     0 version         & vcmp           
+  subdef
t_float.pl       (main)           3 float           $ VERSION         
+ intro
[download]

 d:\exp\version>type t_float.pl
package float;

our $VERSION = 'v1.0234';

d:\exp\version>
[download]