Documentation update

git-svn-id: svn://vcs.exim.org/pcre2/code/trunk@1277 6239d852-aaf2-0410-a92c-79f79f948069

1 files changed, 8 insertions, 5 deletions

diff --git a/doc/html/pcre2api.html b/doc/html/pcre2api.html
index 36c2e3d..5cd7ae0 100644
--- a/doc/html/pcre2api.html
+++ b/doc/html/pcre2api.html
@@ -1492,10 +1492,13 @@ letters in the subject. It is equivalent to Perl's /i option, and it can be
 changed within a pattern by a (?i) option setting. If either PCRE2_UTF or
 PCRE2_UCP is set, Unicode properties are used for all characters with more than
 one other case, and for all characters whose code points are greater than
-U+007F. For lower valued characters with only one other case, a lookup table is
-used for speed. When neither PCRE2_UTF nor PCRE2_UCP is set, a lookup table is
-used for all code points less than 256, and higher code points (available only
-in 16-bit or 32-bit mode) are treated as not having another case.
+U+007F. Note that there are two ASCII characters, K and S, that, in addition to
+their lower case ASCII equivalents, are case-equivalent with U+212A (Kelvin
+sign) and U+017F (long S) respectively. For lower valued characters with only
+one other case, a lookup table is used for speed. When neither PCRE2_UTF nor
+PCRE2_UCP is set, a lookup table is used for all code points less than 256, and
+higher code points (available only in 16-bit or 32-bit mode) are treated as not
+having another case.
 <pre>
   PCRE2_DOLLAR_ENDONLY
 </pre>
@@ -3956,7 +3959,7 @@ Cambridge, England.
 </P>
 <br><a name="SEC42" href="#TOC1">REVISION</a><br>
 <P>
-Last updated: 19 March 2020
+Last updated: 05 October 2020
 <br>
 Copyright &copy; 1997-2020 University of Cambridge.
 <br>