journal: beef up journal matches considerably

[elogind.git] / man / systemd.journal-fields.xml

diff --git a/man/systemd.journal-fields.xml b/man/systemd.journal-fields.xml
index fd0beb968f66abd9c5ffb3cac3a64550503f99f3..4f664f43e55be45a70092c1c0d6a404fbe634327 100644 (file)
--- a/man/systemd.journal-fields.xml
+++ b/man/systemd.journal-fields.xml
@@ -299,7 +299,12 @@
                 addresses of journal entries are serialized into
                 fields prefixed with double underscores. Note that
                 these aren't proper fields when stored in the journal,
                 addresses of journal entries are serialized into
                 fields prefixed with double underscores. Note that
                 these aren't proper fields when stored in the journal,

-                but addressing meta data of entries.</para>
+                but addressing meta data of entries. They cannot be
+                written as part of structured log entries via calls
+                such as
+                <citerefentry><refentrytitle>sd_journal_send</refentrytitle><manvolnum>3</manvolnum></citerefentry>. They
+                may also not be used as matches for
+                <citerefentry><refentrytitle>sd_journal_add_match</refentrytitle><manvolnum>3</manvolnum></citerefentry></para>

 
                 <variablelist>
                         <varlistentry>
 
                 <variablelist>
                         <varlistentry>