"Lester Caine" wrote in message
news:55603872-e832-65ea-25b6-48e01074a...@lsces.co.uk...
On 15/09/17 10:02, Tony Marston wrote:
Why is it not possible to identify a single upper and lower case variant
for every character in every character set?
Can't find the right unicode standard page, but
https://www.elastic.co/guide/en/elasticsearch/guide/current/case-folding.html
sums it up.
Try this page: http://unicode.org/faq/casemap_charprop.html
Notice that case folding for case insensitive comparisons is relatively easy
when compared with case switching.
--
Tony Marston
--
PHP Internals - PHP Runtime Development Mailing List
To unsubscribe, visit: http://www.php.net/unsub.php
