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-rw-r--r--Doc/lib/libre.tex5
1 files changed, 3 insertions, 2 deletions
diff --git a/Doc/lib/libre.tex b/Doc/lib/libre.tex
index 6f216a7..b63a5fa 100644
--- a/Doc/lib/libre.tex
+++ b/Doc/lib/libre.tex
@@ -164,10 +164,11 @@ class: \code{[(] [)]}.
determines what the meaning and further syntax of the construct is.
Following are the currently supported extensions.
%
-\item[\code{(?ilmsx)}] (One or more letters from the set 'i', 'l', 'm', 's',
+\item[\code{(?iLmsx)}] (One or more letters from the set 'i', 'L', 'm', 's',
'x'.) The group matches the empty string; the letters set the
corresponding flags (re.I, re.L, re.M, re.S, re.X) for the entire regular
-expression. This is useful if you wish include the flags as part of the regular
+expression. (The flag 'L' is uppercase because it is not in standard Perl.)
+This is useful if you wish include the flags as part of the regular
expression, instead of passing a \var{flag} argument to the \code{compile} function.
%
\item[\code{(?:...)}] A non-grouping version of regular parentheses.