add_underlay: avoid adding the same underlay twice

[git.ikiwiki.info.git] / doc / features.mdwn

diff --git a/doc/features.mdwn b/doc/features.mdwn
index 8e3c0799c678cd251949ee8e604e53b52462b211..ff341d2ccd0670cb0bbb77d28321adb6b11bf1a5 100644 (file)
--- a/doc/features.mdwn
+++ b/doc/features.mdwn
@@ -4,9 +4,10 @@ An overview of some of ikiwiki's features:
 ## Uses a real RCS
 
 Rather than implement its own system for storing page histories etc,
-ikiwiki uses a real Revision Control System. This isn't (just) because we're
-lazy, it's because a real RCS is a good thing to have, and there are
-advantages to using one that are not possible with a standard wiki.
+ikiwiki uses a real [[Revision_Control_System|rcs]]. This isn't (just)
+because we're lazy, it's because a real RCS is a good thing to have, and
+there are advantages to using one that are not possible with a standard
+wiki.
 
 Instead of editing pages in a stupid web form, you can use vim and commit
 changes via [[Subversion|rcs/svn]], [[rcs/git]], or any of a number of other
@@ -47,7 +48,7 @@ program, or other special file and link to it from your wiki pages.
 
 ## Blogging
 
-You can turn any page in the wiki into a [[ikiwiki/blog]]. Pages matching a
+You can turn any page in the wiki into a [[blog]]. Pages matching a
 specified [[ikiwiki/PageSpec]] will be displayed as a weblog within the blog
 page. And RSS or Atom feeds can be generated to follow the blog.
 
@@ -72,12 +73,11 @@ can change the look and layout of all pages in any way you would like.
 
 ## [[Plugins]]
 
-Plugins can be used to add additional features to ikiwiki. The interface
-is quite flexible, allowing plugins to implement additional markup
-languages, register [[directives|ikiwiki/directive]], hook into [[CGI]] mode,
-and more. Most of ikiwiki's features are actually provided by plugins.
-Ikiwiki's backend RCS support is also pluggable, so support for new
-revision control systems can be added to ikiwiki.
+Plugins can be used to add additional features to ikiwiki. The interface is
+quite flexible, allowing plugins to implement additional markup languages,
+register [[directives|ikiwiki/directive]], provide a [[RCS]] backend, hook
+into [[CGI]] mode, and much more. Most of ikiwiki's features are actually
+provided by plugins.
 
 The standard language for ikiwiki plugins is perl, but ikiwiki also supports
 [[plugins/write/external]] plugins: Standalone programs that can be written in
@@ -146,10 +146,10 @@ Thanks to subpages, every page can easily and automatically have a
 
 ### Edit controls
 
-Wiki admins can [[lock_pages|page_locking]] so that only other admins can
-edit them. Or a wiki can be set up to allow anyone to edit Discussion
-pages, but only registered users to edit other pages. These are just two
-possibilities, since page edit controls can be changed via plugins.
+Wiki admins can lock pages so that only other admins can edit them. Or a
+wiki can be set up to allow anyone to edit Discussion pages, but only
+registered users to edit other pages. These are just two possibilities,
+since page edit controls can be changed via plugins.
 
 ### [[PageHistory]]