Your configuration tiddler itself just needs to contain the text 200 (or whatever number of characters you want to show). To use the value on your filter, the easiest method is:
{{{ [<wikitext>split[]first{$:/config/LinkExcerptLength}join[]] }}}This is a stripped-down version of a single section of Grok TiddlyWiki, optimized for fast loading and readability by search engines. Some features are missing.
For the full Grok TiddlyWiki experience, please visit the wiki version of this page.
Your configuration tiddler itself just needs to contain the text 200 (or whatever number of characters you want to show). To use the value on your filter, the easiest method is:
{{{ [<wikitext>split[]first{$:/config/LinkExcerptLength}join[]] }}}