+
+
+<isis type="swish|display|index"
+ append="1"
+ format="one of formatting functions below"
+ filter="name"
+>_pre_000x_sep_000x_sep_000x_post_</isis>
+
+format:
+ upper [from_char[,to_char]]
+
+ makes field UPPERCASE
+ default: whole field
+
+
+ upper_w [word_nr[,...]
+
+ make words in field UPPERCASE
+ default: first word
+
+ substr from[,len]
+
+ returns substring from some character in some length
+ default: len - rest of the string
+
+ skip2nr
+ skip all aphanumeric caracters and return just
+ numbers after it. To output "1992." from "cop. 1992."
+
+ initial [word_nr[,...]]
+
+ make word(s) into initials (upper case first char and
+ append dot after it)
+ default: first word
+
+
+filter:
+ name of filter which is stored in filters/[name].pm