Changes
add ambox parameters to allow as blank, plus the ambox template category
},
default = 'notice',
allowBlankParams = {'talk', 'sect', 'date'},
allowSmall = true,
smallClass = 'mbox-small-left',
sectionDefault = 'article',
allowMainspaceCategories = true,
templateCategory = 'Article message templates',
templateErrorCategory = 'Article message templates with missing parameters',
templateErrorParamsToCheck = {'issue', 'fix', 'subst'}