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-rw-r--r--lib/PublicInbox/GitCatFile.pm3
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/PublicInbox/GitCatFile.pm b/lib/PublicInbox/GitCatFile.pm
index 629d23ed..dd95d5f3 100644
--- a/lib/PublicInbox/GitCatFile.pm
+++ b/lib/PublicInbox/GitCatFile.pm
@@ -1,5 +1,8 @@
 # Copyright (C) 2014-2015 all contributors <meta@public-inbox.org>
 # License: GPLv2 or later (https://www.gnu.org/licenses/gpl-2.0.txt)
+#
+# Used to read files from a git repository without excessive forking.
+# Used in our web interfaces as well as our -nntpd server.
 # This is based on code in Git.pm which is GPLv2, but modified to avoid
 # dependence on environment variables for compatibility with mod_perl.
 # There are also API changes to simplify our usage and data set.