From 66cc419fd993204a66cf57a674a2c62bbd14d9fe Mon Sep 17 00:00:00 2001
From: Brujo Benavides <elbrujohalcon@inaka.net>
Date: Tue, 12 Jul 2016 14:27:13 +0200
Subject: Add clarification on LC semantics (#1)

It addresses the special case of generator-less LCs.

As a bonus, I fixed a typo :)
---
 system/doc/reference_manual/expressions.xml | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

(limited to 'system')

diff --git a/system/doc/reference_manual/expressions.xml b/system/doc/reference_manual/expressions.xml
index 355fd3cfef..1a3d19aed1 100644
--- a/system/doc/reference_manual/expressions.xml
+++ b/system/doc/reference_manual/expressions.xml
@@ -1541,7 +1541,16 @@ end</pre>
     <pre>
 1> <input>[X*2 || X &lt;- [1,2,3]].</input>
 [2,4,6]</pre>
-    <p>More examples are provoded in
+    <p>When there are no generators or bit string generators, a list comprehension
+    returns either a list with one element (the result of evaluating <c>Expr</c>)
+    if all filters are true or an empty list otherwise.</p>
+    <p><em>Example:</em></p>
+    <pre>
+1> <input>[2 || is_integer(2)].</input>
+[2]
+2> <input>[x || is_integer(x)].</input>
+[]</pre>
+    <p>More examples are provided in
     <seealso marker="doc/programming_examples:list_comprehensions">
     Programming Examples.</seealso></p>
 
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