Changes

####[[Gramps_5.1_Wiki_Manual_-_Filters#Common variations of a surname|Common variations of a surname]]

####[[Gramps_5.1_Wiki_Manual_-_Filters#testing regular expressions|testing regular expressions]]

##[[Gramps_5.1_Wiki_Manual_-_Filters#Which_filters_in_which_Category.3F|Which filters in which Category?]]

##[[Gramps_5.1_Wiki_Manual_-_Filters#Ancestral filters|Ancestral filters]]