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authorKarl Williamson <public@khwilliamson.com>2012-09-12 19:43:02 -0600
committerKarl Williamson <public@khwilliamson.com>2012-09-26 11:49:45 -0600
commit94df5432700afa9b1cda1919857f958a0af99066 (patch)
tree9756828e73069fae26d731c9c7ff16b65888c2a2 /pod/perlvar.pod
parent2dc12fc0f84e0e6151d5266f167d197b834631ca (diff)
downloadperl-94df5432700afa9b1cda1919857f958a0af99066.tar.gz
perlvar.pod: Document UTF8CACHE
Diffstat (limited to 'pod/perlvar.pod')
-rw-r--r--pod/perlvar.pod4
1 files changed, 3 insertions, 1 deletions
diff --git a/pod/perlvar.pod b/pod/perlvar.pod
index fc99b8e23c..3fb989909a 100644
--- a/pod/perlvar.pod
+++ b/pod/perlvar.pod
@@ -2082,7 +2082,9 @@ This variable controls the state of the internal UTF-8 offset caching code.
1 for on (the default), 0 for off, -1 to debug the caching code by checking
all its results against linear scans, and panicking on any discrepancy.
-This variable was added in Perl v5.8.9.
+This variable was added in Perl v5.8.9. It is subject to change or
+removal without notice, but is currently used to avoid recalculating the
+boundaries of multi-byte UTF-8-encoded characters.
=item ${^UTF8LOCALE}
X<${^UTF8LOCALE}>