* charclass: (24 commits)
www: require ASCII word characters for CSS filenames
www: require ASCII range for mbox downloads
githttpbackend: require ASCII in path
require ASCII digits for local FS items
www: require ASCII digit for git epoch
solver|viewdiff: restrict digit matches to ASCII
inbox: require ASCII digits for feedmax var
filter/rubylang: require ASCII digit for mailcount
msgtime: require ASCII digits for parsing dates
searchview: do not allow non-ASCII offsets and limits
githttpbackend: require Range:, Status: to be ASCII digits
view: require YYYYmmDD(HHMMSS) timestamps to be ASCII
newswww: only accept ASCII digits as article numbers
config: do not accept non-ASCII digits in cgitrc params
www: require ASCII filenames in git blob downloads
www: only emit ASCII chars in attachment filenames
wwwattach: only pass the charset through if ASCII
wwwlisting: require ASCII digit for port number
http: require SERVER_PORT to be ASCII digit
feed: only accept ASCII digits for ref~$N
...