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-rw-r--r--NEWS8
1 files changed, 7 insertions, 1 deletions
diff --git a/NEWS b/NEWS
index 4ee1ae5..f5be6dd 100644
--- a/NEWS
+++ b/NEWS
@@ -1,4 +1,4 @@
-GNU Pies NEWS -- history of user-visible changes. 2019-06-06
+GNU Pies NEWS -- history of user-visible changes. 2019-06-07
See the end of file for copying conditions.
Please send Pies bug reports to <bug-pies@gnu.org> or
@@ -55,6 +55,12 @@ variables matching the pattern are retained.
Sets the environment variable for the component. VALUE is subject
to variable expansion.
+** eval "VALUE"
+Perform variable expansion on VALUE and discard the result (similar
+to the shell ":" command). Useful for side effects, e.g.:
+
+ eval ${HOME:=/home/t}
+
** unset NAME
Unsets the variable. NAME can be a globbing pattern, in which case all
variables matching the pattern are unset.

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