releasenotes: allow notes for multiple directives in a single changeset

This problem was caught in da91e7309daf8ffc51bf3e6f4b2d8a16ef5af95a. This patch just makes sure there is no warning when we
encounter such a case.

Differential Revision: https://phab.mercurial-scm.org/D2254

hgext/releasenotes.py

@@ -324,6 +324,9 b' def parsenotesfromrevisions(repo, direct'
                 if pblock['type'] == 'margin':
                     continue
 
+                if pblock['type'] == 'admonition':
+                    break
+
                 if pblock['type'] != 'paragraph':
                     repo.ui.warn(_('changeset %s: unexpected block in release '
                         'notes directive %s\n') % (ctx, directive))

tests/test-releasenotes-formatting.t

@@ -457,3 +457,35 b' Display release notes for specified revs'
   ------------------
   
   First paragraph of fix 1.
+
+  $ cd ..
+
+Using multiple admonitions in same changeset
+
+  $ hg init relnotes-multiadmon
+  $ cd relnotes-multiadmon
+
+  $ touch file1
+  $ hg -q commit -A -l - << EOF
+  > commit 1
+  > 
+  > .. feature::
+  > 
+  >    Details about new feature.
+  > 
+  > .. perf::
+  > 
+  >    Improves the execution by 2x
+  > EOF
+
+  $ hg releasenotes -r . $TESTTMP/relnotes-multiple-admonitions
+  $ cat $TESTTMP/relnotes-multiple-admonitions
+  New Features
+  ============
+  
+  * Details about new feature.
+  
+  Performance Improvements
+  ========================
+  
+  * Improves the execution by 2x