msgexec: Pass previous msgid to the child process

Suggested by Pavel Kharitonov in:
<http://lists.gnu.org/archive/html/bug-gettext/2014-05/msg00022.html>.
* msgexec.c (process_string): Set MSGEXEC_PREV_* envvar.

1 files changed, 17 insertions, 3 deletions

diff --git a/gettext-tools/tests/msgexec-5 b/gettext-tools/tests/msgexec-5
index 1b9dac6..a2c13cd 100755
--- a/gettext-tools/tests/msgexec-5
+++ b/gettext-tools/tests/msgexec-5
@@ -15,6 +15,8 @@ msgstr "'Votre commande, s'il vous plait', dit le garcon."
 
 # Les gateaux allemands sont les meilleurs du monde.
 #, c-format
+#| msgid "a piece of bread"
+#| msgid_plural "%d pieces of bread"
 msgid "a piece of cake"
 msgid_plural "%d pieces of cake"
 msgstr[0] "un morceau de gateau"
@@ -36,6 +38,8 @@ cat <<MEOF
 $MSGEXEC_MSGID
 $MSGEXEC_MSGID_PLURAL
 $MSGEXEC_PLURAL_FORM
+$MSGEXEC_PREV_MSGID
+$MSGEXEC_PREV_MSGID_PLURAL
 ---
 MEOF
 cat
@@ -56,6 +60,8 @@ cat <<\EOF > mex-test5.ok
 
 
 
+
+
 ---
 Content-Type: text/plain; charset=ASCII
 Plural-Forms: nplurals=2; plural=(n > 1);
@@ -64,24 +70,32 @@ Plural-Forms: nplurals=2; plural=(n > 1);
 'Your command, please?', asked the waiter.
 
 
+
+
 ---
 'Votre commande, s'il vous plait', dit le garcon.
-========================= mex-test5.po:14 =========================
+========================= mex-test5.po:16 =========================
 a piece of cake
 %d pieces of cake
 0
+a piece of bread
+%d pieces of bread
 ---
 un morceau de gateau
-========================= mex-test5.po:14 =========================
+========================= mex-test5.po:16 =========================
 a piece of cake
 %d pieces of cake
 1
+a piece of bread
+%d pieces of bread
 ---
 %d morceaux de gateau
-========================= mex-test5.po:20 =========================
+========================= mex-test5.po:22 =========================
 %s is replaced by %s.
 
 
+
+
 ---
 %2$s remplace %1$s.
 EOF