Attached is a small patch for po-mode.el that makes the highlighting of
printf format specifiers more complete.
diff --git a/gettext-tools/misc/po-mode.el b/gettext-tools/misc/po-mode.el
index cd191b1..e38d544 100644
--- a/gettext-tools/misc/po-mode.el
+++ b/gettext-tools/misc/po-mode.el
@@ -1064,7 +1064,7 @@ Initialize or replace current translation with the original message"))])
;; '("msgctxt " "msgid " "msgid_plural " "msgstr " "msgstr[0] " "msgstr[1] "))
("^\\(\\(msg\\(ctxt\\|id\\(_plural\\)?\\|str\\(\\[[0-9]\\]\\)?\\)\\) \\)?\"\\|\"$"
. font-lock-keyword-face)
- ("\\\\.\\|%[*$-.0-9ul]*[a-zA-Z]" . font-lock-variable-name-face)
+ ("\\\\.\\|%[*$-.0-9hjltuzL]*[a-zA-Z]" . font-lock-variable-name-face)
("^# .*\\|^#[:,]?" . font-lock-comment-face)
("^#:\\(.*\\)" 1 font-lock-reference-face)
;; The following line does not work, and I wonder why.
