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-rw-r--r--Documentation/include.mk3
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/include.mk b/Documentation/include.mk
index df6c17e0..79bf460d 100644
--- a/Documentation/include.mk
+++ b/Documentation/include.mk
@@ -6,6 +6,7 @@ RSYNC = rsync
 RSYNC_DEST = public-inbox.org:/srv/public-inbox/
 AWK = awk
 MAN = man
+LEXGROG = lexgrog
 
 # this is "xml" on FreeBSD and maybe some other distros:
 XMLSTARLET = xmlstarlet
@@ -56,6 +57,8 @@ check_man = $(AWK) '{gsub(/\b./,"")}length>80{print;err=1}END{exit(err)}'\
 
 check-man :: $(check_80)
 
+check-lexgrog :: $(check_lexgrog)
+
 all :: $(docs)
 
 txt2pre = $(PERL) -I lib ./Documentation/txt2pre >$@