done, documented workaround

[git.ikiwiki.info.git] / doc / todo / conditional_text_based_on_ikiwiki_features.mdwn

diff --git a/doc/todo/conditional_text_based_on_ikiwiki_features.mdwn b/doc/todo/conditional_text_based_on_ikiwiki_features.mdwn
index e5e23531ec88257fa5afa6e4c71792994e5920f3..0d0f66da417f42d4df2bbfc0192678590ff9ffc1 100644 (file)
--- a/doc/todo/conditional_text_based_on_ikiwiki_features.mdwn
+++ b/doc/todo/conditional_text_based_on_ikiwiki_features.mdwn
@@ -1,6 +1,6 @@
 I'd like to see some way to conditionally include wiki text based on
 whether the wiki enables or disables certain features.  For example,
 I'd like to see some way to conditionally include wiki text based on
 whether the wiki enables or disables certain features.  For example,

-[[ikiwiki/formatting]], could use `\[[if (enabled smiley) """Also, because
+[[ikiwiki/formatting]], could use `\[[!if (enabled smiley) """Also, because

 this wiki has the smiley plugin enabled, you can insert \[[smileys]] and
 some other useful symbols."""]]`, and a standard template for [[plugins]]
 pages could check for the given plugin name to print "enabled" or
 this wiki has the smiley plugin enabled, you can insert \[[smileys]] and
 some other useful symbols."""]]`, and a standard template for [[plugins]]
 pages could check for the given plugin name to print "enabled" or


@@ -25,7 +25,7 @@ include an `else` clause; if so, you could label the text used if true as
 `then`.
 
 Syntax could vary greatly here, both for the
 `then`.
 
 Syntax could vary greatly here, both for the

-[[ikiwiki/PreprocessorDirective]] and for the condition itself.
+[[ikiwiki/Directive]] and for the condition itself.

 
 > I think this is a good thing to consider, although conditionals tend to
 > make everything a lot more complicated, so I also want to KISS, and not
 
 > I think this is a good thing to consider, although conditionals tend to
 > make everything a lot more complicated, so I also want to KISS, and not


@@ -52,12 +52,12 @@ Syntax could vary greatly here, both for the
 > As to the syntax, to fit it into standard preprocessor syntax, it would
 > need to look something like this:
 >
 > As to the syntax, to fit it into standard preprocessor syntax, it would
 > need to look something like this:
 >

->      \[[if test="enabled(smiley)" """foo"""]]
+>      \[[!if test="enabled(smiley)" """foo"""]]

 > 
 > --[[Joey]]
 
 >> [[ikiwiki/PageSpec]] syntax seems perfect, and your proposed syntax for the `if`
 > 
 > --[[Joey]]
 
 >> [[ikiwiki/PageSpec]] syntax seems perfect, and your proposed syntax for the `if`

->> [[ikiwiki/PreprocessorDirective]] looks fine to me.
+>> [[ikiwiki/Directive]] looks fine to me.

 >>
 >> [[ikiwiki/PageSpec]]s don't give you `none` for free, since `!foo/*` as a boolean
 >> would mean "does any page not matching `foo/*` exist", not "does `foo/*`
 >>
 >> [[ikiwiki/PageSpec]]s don't give you `none` for free, since `!foo/*` as a boolean
 >> would mean "does any page not matching `foo/*` exist", not "does `foo/*`


@@ -70,12 +70,12 @@ Syntax could vary greatly here, both for the
 >>
 >> A few use cases for `included`, which I would really like to see:
 >>
 >>
 >> A few use cases for `included`, which I would really like to see:
 >>

->> * On the sidebar page, you could say something like \[[if test="!included"
+>> * On the sidebar page, you could say something like \[[!if test="!included"

 >>   """This page, without this help message, appears as a sidebar on all
 >>   pages."""]].  The help text would then only appear on the sidebar page
 >>   itself, not the sidebar included on all pages.
 >>
 >>   """This page, without this help message, appears as a sidebar on all
 >>   pages."""]].  The help text would then only appear on the sidebar page
 >>   itself, not the sidebar included on all pages.
 >>

->> * On [[ikiwiki/blog]] entries, you could use `included` to implement a cut.
+>> * On [[blog]] entries, you could use `included` to implement a cut.

 >>   (Please don't take that as an argument against. :) ) For instance, you
 >>   could use included rather than [[plugins/toggle]] for the detailed
 >>   changelogs of ikiwiki, or to embed an image as a link in the feed rather
 >>   (Please don't take that as an argument against. :) ) For instance, you
 >>   could use included rather than [[plugins/toggle]] for the detailed
 >>   changelogs of ikiwiki, or to embed an image as a link in the feed rather


@@ -106,3 +106,23 @@ This is now completely [[todo/done]]! See [[plugins/conditional]].
 --[[Joey]]
 
 > You rock mightily. --[[JoshTriplett]]
 --[[Joey]]
 
 > You rock mightily. --[[JoshTriplett]]

+
+Is there a way to test features other than plugins? For example,
+to add to [[ikiwiki/Markdown]] something like
+
+    \[[!if test="enabled(multimarkdown)" then="You can also use..."]]
+
+(I tried it like that just to see if it would work, but I wasn't that lucky.)
+--ChapmanFlack
+
+> No, not supported. I really think that trying to conditionalise text on a
+> page for multimarkdown is a path to madness or unreadability though.
+> Perhaps it would be better to have .mmdwn files that can only contain
+> multimarkdown? --[[Joey]]
+
+>> Really, there was only one (or maybe two) pages I had in mind as appropriate
+>> places for conditional text based on multimarkdown—the underlay pages
+>> for 'markdown' and maybe also 'formatting', because those are the pages you
+>> look at when you're trying to find out how to mark stuff up for the wiki, so
+>> if MM is enabled, they need to at least mention it and have a link to the
+>> MM syntax guide.--ChapmanFlack