From e10b7ebe0eb05c01096d022f6f09e6c1562d5562 Mon Sep 17 00:00:00 2001
From: Théo Zimmermann
Date: Fri, 5 Jan 2018 13:06:17 +0100
Subject: Documentation and CHANGES for bracket with goal selector.

---
 CHANGES                   | 6 ++++++
 doc/refman/RefMan-pro.tex | 9 +++++++++
 2 files changed, 15 insertions(+)

diff --git a/CHANGES b/CHANGES
index cbaa2c5e23..14b1b3fac6 100644
--- a/CHANGES
+++ b/CHANGES
@@ -38,6 +38,12 @@ Tactics
 - Added tactics restart_timer, finish_timing, and time_constr as an
   experimental way of timing Ltac's evaluation phase
 
+Focusing
+
+- Focusing bracket `{` now supports single-numbered goal selector,
+  e.g. `2: {` will focus on the second sub-goal. As usual, unfocus
+  with `}` once the sub-goal is fully solved.
+
 Vernacular Commands
 
 - The deprecated Coercion Local, Open Local Scope, Notation Local syntax
diff --git a/doc/refman/RefMan-pro.tex b/doc/refman/RefMan-pro.tex
index 1d3311edc2..2bd50daf31 100644
--- a/doc/refman/RefMan-pro.tex
+++ b/doc/refman/RefMan-pro.tex
@@ -320,10 +320,19 @@ Note that when a focused goal is proved a message is displayed
 together with a suggestion about the right bullet or {\tt \}} to
 unfocus it or focus the next one.
 
+\begin{Variants}
+
+\item {\tt {\num}: \{}\\
+This focuses on the $\num^{th}$ subgoal to prove.
+
+\end{Variants}
+
 \begin{ErrMsgs}
 \item \errindex{This proof is focused, but cannot be unfocused
     this way} You are trying to use {\tt \}} but the current subproof
   has not been fully solved.
+\item \errindex{No such goal}
+\item \errindex{Brackets only support the single numbered goal selector}
 \item see also error message about bullets below.
 \end{ErrMsgs}
 
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