From 315439bacc106f4bf94aa638b78f697dbc425c12 Mon Sep 17 00:00:00 2001 From: Mahmoud Al-Qudsi Date: Sat, 10 Mar 2018 07:26:40 -0600 Subject: [PATCH] Address minor documentation issue Closes #3458 --- doc_src/index.hdr.in | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/doc_src/index.hdr.in b/doc_src/index.hdr.in index 2e3f75373..a4f1271d6 100644 --- a/doc_src/index.hdr.in +++ b/doc_src/index.hdr.in @@ -606,7 +606,7 @@ Examples: # Output is an empty line \endfish -Be careful when you try to use braces to separate variable names from text. The problem shown in the last example above can be avoided by wrapping the variable in double quotes instead of braces (`echo "$c"word`). +Be careful when you try to use braces to separate variable names from text. The problem shown above can be avoided by wrapping the variable in double quotes instead of braces (`echo "$c"word`). Please note, that the expansion as cartesian product also happens after command substitution. Therefore strings might be eliminated. This can be avoided by returning the empty string.