diff options
Diffstat (limited to 'Doc/lib')
| -rw-r--r-- | Doc/lib/libre.tex | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/Doc/lib/libre.tex b/Doc/lib/libre.tex index 61dd028..5ab8d84 100644 --- a/Doc/lib/libre.tex +++ b/Doc/lib/libre.tex @@ -373,11 +373,9 @@ also accepted by the regular expression parser: \\ \end{verbatim} -Note that octal escapes are not included. While the parser can -attempt to determine whether a character is being specified by it's -ordinal value expressed in octal, doing so yields an expression which -is relatively difficult to maintain, as the same syntax is used to -refer to numbered groups. +Octal escapes are included in a limited form: If the first digit is a +0, or if there are three octal digits, it is considered an octal +escape. Otherwise, it is a group reference. \subsection{Matching vs. Searching \label{matching-searching}} |