From caa1cb9d9b7b550aa02ee0f31d1c912f878ddf70 Mon Sep 17 00:00:00 2001
From: John Cupitt <jcupitt@gmail.com>
Date: Mon, 24 Aug 2020 17:42:33 +0100
Subject: [PATCH] improve docs for arrayjoin

see https://github.com/libvips/pyvips/issues/202
---
 libvips/conversion/arrayjoin.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/libvips/conversion/arrayjoin.c b/libvips/conversion/arrayjoin.c
index 5f140408..40720fc3 100644
--- a/libvips/conversion/arrayjoin.c
+++ b/libvips/conversion/arrayjoin.c
@@ -424,7 +424,10 @@ vips_arrayjoinv( VipsImage **in, VipsImage **out, int n, va_list ap )
  * Smallest common format in 
  * <link linkend="libvips-arithmetic">arithmetic</link>).
  *
- * See also: vips_join(), vips_insert().
+ * vips_colourspace() can be useful for moving the images to a common
+ * colourspace for compositing.
+ *
+ * See also: vips_join(), vips_insert(), vips_colourspace().
  *
  * Returns: 0 on success, -1 on error
  */