doc: make paragraphs before example code end with "::" for reST syntax
This prevents lines in an example code from being treated as a part of
normal paragraph. For issue example, lines are folded into one
paragraph.
====================================Testingheadcheckingcode:CaseC-2====================================Mercurialchecksfortheintroductionofnewheadsonpush.Evolutioncomesintoplaytodetectifexistingbranchesontheserverarebeingreplacedbysomeofthenewonewepush.Thiscaseispartofaseriesoftestscheckingthisbehavior.CategoryC:casewerethebranchisonlypartiallyobsoletedTestCase2:2changesetbranch,onlythebaseisrewritten..old-state:....*2changesetbranch....new-state:....*1newchangesetsbranchessuperceedingonlythebaseoftheoldone..*Theoldbranchisstillalive(baseisobsolete,headisalive)....expected-result:....*pushdenied....graph-summary:....B○..|..Aø⇠◔A'.. |/.. ● $ . $TESTDIR/testlib/push-checkheads-util.shTest setup---------- $ mkdir C2 $ cd C2 $ setuprepos creating basic server and client repo updating to branch default 2 files updated, 0 files merged, 0 files removed, 0 files unresolved $ cd server $ mkcommit B0 $ cd ../client $ hg pull pulling from $TESTTMP/C2/server (glob) searching for changes adding changesets adding manifests adding file changes added 1 changesets with 1 changes to 1 files (run 'hgupdate' to get a working copy) $ hg up 0 0 files updated, 0 files merged, 1 files removed, 0 files unresolved $ mkcommit A1 created new head $ hg debugobsolete `getid "desc(A0)" ` `getid "desc(A1)"` obsoleted 1 changesets $ hg log -G --hidden @ f6082bc4ffef (draft): A1 | | o d73caddc5533 (draft): B0 | | | x 8aaa48160adc (draft): A0 |/ o 1e4be0697311 (public): rootActual testing-------------- $ hg push --rev 'desc(A1)' pushing to $TESTTMP/C2/server (glob) searching for changes abort: push creates new remote head f6082bc4ffef! (merge or see 'hghelppush' for details about pushing new heads) [255] $ cd ../..