add some changelogs for the merged PRs

1 files changed, 4 insertions, 0 deletions

diff --git a/doc/config.txt b/doc/config.txt
index 8ce64db..91587f2 100644
--- a/doc/config.txt
+++ b/doc/config.txt
@@ -244,6 +244,10 @@ Substitutions
 Any ``key=value`` setting in an ini-file can make use
 of value substitution through the ``{...}`` string-substitution pattern.
 
+You can escape curly braces with the ``\`` character if you need them, for example::
+
+    commands = echo "\{posargs\}" = {posargs}
+
 Globally available substitutions
 ++++++++++++++++++++++++++++++++