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-rw-r--r--doc/man/serd-pipe.18
1 files changed, 7 insertions, 1 deletions
diff --git a/doc/man/serd-pipe.1 b/doc/man/serd-pipe.1
index 9b700068..f5908c1d 100644
--- a/doc/man/serd-pipe.1
+++ b/doc/man/serd-pipe.1
@@ -8,7 +8,7 @@
.Nd read and write RDF data
.Sh SYNOPSIS
.Nm serd-pipe
-.Op Fl afhlqtv
+.Op Fl afhlqtvx
.Op Fl B Ar base
.Op Fl b Ar bytes
.Op Fl c Ar prefix
@@ -158,6 +158,12 @@ as input.
Write terser output without newlines.
.It Fl v
Display version information and exit.
+.It Fl x
+Support parsing variable nodes.
+Variables can be written in SPARQL style, for example
+.Dq ?var
+or
+.Dq $var .
.El
.Sh EXIT STATUS
.Nm