This profile will setup the WYSIWYG editor as your only editor. After installing this profile it is recommended to install the WYSIWYG Toolbar profile that best suites your need.

WYSIWYG Toolbar Profiles
Editor_WYSIWYG_Toolbar_Recommended
Editor_WYSIWYG_Toolbar_Simple

YAML
preferences: feature_wysiwyg: y wysiwyg_optional: n wysiwyg_default: y wysiwyg_wiki_parsed: y feature_wiki_paragraph_formatting: y feature_wiki_paragraph_formatting_add_br: y feature_wiki_allowhtml: y