From e6ef4cb6dd8f41c4a42ffc92e1751dfb48b1a9eb Mon Sep 17 00:00:00 2001
From: Jeremy Stanley <fungi@yuggoth.org>
Date: Fri, 10 Jul 2015 12:58:00 +0000
Subject: [PATCH] Note to escape literal $ in invite2summit template

Literal $ characters in the template which are not part of a
substitution variable should be doubled to to avoid raising a
ValueError exception.

Change-Id: I14fd33571d63d50fc65e8c87fb10577e691b6c8e
---
 tools/invite2summit/README.rst | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tools/invite2summit/README.rst b/tools/invite2summit/README.rst
index b2b4d7be9f..e31c4fde85 100644
--- a/tools/invite2summit/README.rst
+++ b/tools/invite2summit/README.rst
@@ -10,6 +10,11 @@ You use it like this:
 - Copy settings.py.sample to settings.py
 - Update values in settings.py, especially *EMAIL_USER*, *EMAIL_FROM*,
   *EMAIL_SIGNATURE* and *EMAIL_PASSWORD*
+- Note that literal ``$`` characters in the template which are not part
+  of a substitution variable (such as dollar amounts) should be doubled
+  to escape them like ``... a $$600-off discount code ...`` so as to
+  avoid raising *ValueError: Invalid placeholder in string: line <X>,
+  col <Y>*
 - Run a test with ``python send.py atc_sample.csv codes_sample.csv``
 
 Should work on stock Ubuntu.