Fix example regular expressions that simulate scanf() constructs.

diff --git a/Doc/ACKS b/Doc/ACKS
index 60ed2ad6e1d62a15af09338a4af1b40972c224f1..c2108d50e22e4bab6b829798bda2bf2e1d2772d3 100644 (file)
--- a/Doc/ACKS
+++ b/Doc/ACKS
@@ -129,6 +129,7 @@ Sjoerd Mullender
 Dale Nagata
 Ng Pheng Siong
 Koray Oner
+Tomas Oppelstrup
 Denis S. Otkidach
 Zooko O'Whielacronx
 William Park

diff --git a/Doc/lib/libre.tex b/Doc/lib/libre.tex
index e4d9dda97f48d5315d603bca416261689c973241..ed361f85be30b9be1891fd9e41a3d720d7f7a081 100644 (file)
--- a/Doc/lib/libre.tex
+++ b/Doc/lib/libre.tex
@@ -875,11 +875,11 @@ offers some more-or-less equivalent mappings between
   \lineii{\code{\%5c}}
          {\regexp{.\{5\}}}
   \lineii{\code{\%d}}
-         {\regexp{[-+]\e d+}}
+         {\regexp{[-+]?\e d+}}
   \lineii{\code{\%e}, \code{\%E}, \code{\%f}, \code{\%g}}
-         {\regexp{[-+](\e d+(\e.\e d*)?|\e d*\e.\e d+)([eE]\e d+)?}}
+         {\regexp{[-+]?(\e d+(\e.\e d*)?|\e d*\e.\e d+)([eE]\e d+)?}}
   \lineii{\code{\%i}}
-         {\regexp{[-+](0[xX][\e dA-Fa-f]+|0[0-7]*|\e d+)}}
+         {\regexp{[-+]?(0[xX][\e dA-Fa-f]+|0[0-7]*|\e d+)}}
   \lineii{\code{\%o}}
          {\regexp{0[0-7]*}}
   \lineii{\code{\%s}}