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Document wc plugin.
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|+[[!template id=plugin name=wc author="[[schmonz]]"]]|
|+[[!template id=gitbranch branch=schmonz/wc author="[[schmonz]]"]]|
|+This plugin counts words in a page. For a single page, write a|
|+`\[[!wc]]` directive and the word count will be interpolated there.|
|+For a site, add `<TMPL_VAR WORDCOUNT>` to your [[templates]].|
|+If [[!cpan HTML::Strip]] is installed, the wordcount will be slightly|
|+* Optimize: count words iff the result will be displayed. `sanitize()`|
|+ seems like the right place to count. Since it's called well after|
|+ `preprocess()`, I can tell whether a directive needs the result,|
|+ but since it appears to be called before `pagetemplate()`, I can't|
|+ tell whether a template wants to know and possibly skip the|
|+ computation. (In other words, if I add `$needed_for_template`|
|+ like `$needed_for_directive`, it gets set too late for `sanitize()`|
|+ to see.)|