s/\r//
1,5s/^#.*//
/^##.*/d
s/<<\(Anchor\|TableOfContents\)(.*)>>//g
s/{{{#!.*//g
s/\({{{\|}}}\|~[-+]\|[-+]~\)//g
### Drop links ###
s/\[\+\(wiki\|http\|https\|irc\|ftp\):[^]]\+\]\+//g
s/\[\+[\[\:"][^]]\+]\+//g
s,http://[^ ]*,,g
s/[^!]\([A-Z][a-z0-9]\+\)\{2,\}//g
s/{{\(attachement\|inline\):[^}]\+}}/$$attachement/g
s/\(attachement\|inline\):[^ ]\+/$$attachement/g
### Variable words
s/\(Sid\|Squeeze\|Lenny\|Etch\|Sarge\|Woody\|Potato\|Unstable\|Testing\|OldStable\|Old-Stable\|Stable\)/$$DIST/gI
s/[0-9]\.[0-9]\+[^ ]*/$$VERSION/g
### Drop format ###
s/^=* \(.*\) =*$/\1/
s/'[']\+//g
s/~-\(.*\)-~/\1/g
s/^[[:blank:]]*[\$#%]\+//
#  normalise lists
s/^\s*\([0-9]\+\.\|\*\)\s*/ * /g
#  drop smileys
s,\(<!>\|{\(i\|ok\|OK\|X\|!\|\*\|x\|o\|O\)}\|[;\:]-\?[(|)]\|(\(\.\/\|!\))\|/!\\\|X-(\),,g
s/||<[^>]*>/||/g
s/||/\r/g
/^-\{4,\}/d
### Dummy lines ###
s/Tra\(nslation\|duction\)\((s)\|s\)\?:\?//
s/([[:blank:];,]*)//g
sX^[[:blank:];,\./\*]*$XX
s/[[:blank:][:punct:]]\+$//g
s/^\([[:blank:]\*]*\(see also\|see\|and\|or\|links\?\|[[:punct:]]\)\)\+$//I
#Drop empty lines
#/^[[:blank:]]*$/d
s/\r/\n/g