Documentation and CHANGES for bracket with goal selector.

2 files changed, 15 insertions, 0 deletions

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}