From 834f4f7d1e56cee66b8cda42ca8bf36da26fe659 Mon Sep 17 00:00:00 2001
From: Kaz Kylheku <kaz@kylheku.com>
Date: Sat, 29 Aug 2015 21:55:49 -0700
Subject: Document alternation syntax.

* txr.1: The { x | y } notation has been used in the
document for a long time; now it is explained.
---
 txr.1 | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/txr.1 b/txr.1
index 8d065c24..73396587 100644
--- a/txr.1
+++ b/txr.1
@@ -10423,6 +10423,14 @@ syntax enclosed in the braces or syntactic unit.
 This indicates a repetition of one or more of the given
 syntax enclosed in the braces or syntactic unit.
 
+.coIP {syntax | syntax | ...}
+This indicates a choice among alternatives.
+May be combined with
+.code +
+or
+.code *
+repetition.
+
 .ie n \{\
 .coIP [syntax] [<word>]
 .\}
-- 
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