librep-format: Accept null precision.

Proof that it's valid:
$ rep
(format t "%.d" 3.1415926535)

* gettext-tools/src/format-librep.c: Fix comment regarding the precision.
* gettext-tools/tests/format-librep-1: Add a test case with null precision.

diff --git a/gettext-tools/src/format-librep.c b/gettext-tools/src/format-librep.c
index 264e122b617f86ce246fcc3f4dd8a8cf8bf4608b..2e202535628ab511338aeec0a9eb84a65f6aa82a 100644 (file)
--- a/gettext-tools/src/format-librep.c
+++ b/gettext-tools/src/format-librep.c
@@ -38,8 +38,8 @@
      each of which acts as a flag,
    - is optionally followed by a width specification: a nonempty digit
      sequence,
-   - is optionally followed by '.' and a precision specification: a nonempty
-     digit sequence,
+   - is optionally followed by '.' and a precision specification: an optional
+     nonempty digit sequence,
    - is finished by a specifier
        - '%', that needs no argument,
        - 'c', that need a character argument,

diff --git a/gettext-tools/tests/format-librep-1 b/gettext-tools/tests/format-librep-1
index cffaa89b7fca7c27949c6424200d168916422548..b54dafda04dcf12180f20eb004a19dc3800f99a0 100755 (executable)
--- a/gettext-tools/tests/format-librep-1
+++ b/gettext-tools/tests/format-librep-1
@@ -34,6 +34,8 @@ cat <<\EOF > f-lr-1.data
 "abc%y"
 # Invalid: flags after width
 "abc%2^d"
+# Valid: null precision
+"abc%.d"
 # Invalid: twice precision
 "abc%.4.2d"
 # Valid: three arguments