Try to help with some code review

doc/todo/Bestdir_along_with_bestlink_in_IkiWiki.pm.mdwn

@@ -1,5 +1,8 @@
 This patch adds function bestdir() which returns best directory from the directory structure. This is in addition to the bestlink() function which is there in IkiWiki.pm 
 
+> Um, what is this for? :-) It would probably be a lot easier to review if it
+> had documentation, and/or a plugin that used it. --[[smcv]]
+
 -------
 
     Index: IkiWiki.pm

doc/todo/source_link.mdwn

@@ -4,6 +4,11 @@ How about a direct link from the page header to the source of the latest version
 
 I just implemented this.  There is one [[patch]] to the default page template, and a new plugin.  -- [[Will]]
 
+> The use of sessioncgi here seems undesirable: on wikis where anonymity is
+> not allowed, you'll be asked to log in. Couldn't you achieve the same thing
+> by loading the index with IkiWiki::loadindex, like [[plugins/goto]] does?
+> --[[smcv]]
+
 ----
 
     diff --git a/templates/page.tmpl b/templates/page.tmpl

doc/todo/varioki_--_add_template_variables___40__with_closures_for_values__41___in_ikiwiki.setup.mdwn

@@ -33,6 +33,12 @@ ManojSrivastava
 > > directory,  which is not very easy for a plain ol' user.  Not everyone is the
 > >  sysadmin of their own machines with access to system dirs. --ManojSrivastava
 
+>>> It seems worth mentioning here that the `libdir` configuration parameter
+>>> lets you install additional plugins in a user-controlled directory
+>>> (*libdir*`/IkiWiki/Plugin`), avoiding needing root; indeed, a full local
+>>> ikiwiki installation without any involvement from the sysadmin is
+>>> [[possible|tips/DreamHost]]. --[[smcv]]
+
 <pre>
                 varioki => {'motto'    => '"Manoj\'s musings"',
                         'arrayvar' => '[0, 1, 2, 3]',