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FirstLines /
21stPrecinct
Firstlines /
Abbottandcostello
FirstLines /
AbbottAndCostello
AirAdventuresJimmieAllen
AldrichFamily
AllStarWesternTheatre
AmosAndy
ArchieAndrews
Blondie
BoldVenture
BoldVentureZIVSequence
BostonBlackie
Box13
BulldogDrummond
Contribs
Counterspy
DangerDoctorDanfield
DangerousAssignment
DangerousAssignmentBackup
DannyKayeShow
DeMarco
DimensionX
Firstlines /
Firstlines
FirstLines /
FredAllenFredAllenShow
FredAllenHourOfSmiles
FredAllenLinitBathClubRevue
FredAllenSaladBowlRevue
FredAllenSalHepaticaRevue
FredAllenShow
FredAllenShowOneLog
FredAllenTexacoStarTheater
FredAllenTownHallTonight
FrontierGentleman
GreatGildersleeveHaroldPeary
GreatGildersleeveWillardWaterman
Gunsmoke
HallsOfIvy
HaveGunWillTravel
HomePage
InnerSanctum
JackBennyProgram01
JackBennyProgram02
JackBennyProgram03
JackBennyProgram04
JackBennyProgram05
JonathanThomasChristmasOnTheMoon
LineUp
LukeSlaughter
LumAndAbner1
ManCalledX
MrMrsNorth
OnStage
OzzieAndHarriet
PatNovakForHire
ProudlyWeHail
RadioGOLDINdex
RichardDiamond
RichardDiamondPrivateDetective
RoguesGallery
StewartMessage
SuspensePartOne
SuspensePartTwo
TemplateScript
ThatHammerGuy
TheAdventuresOfSuperman
TheAdventuresOfSupermanPageEight
TheAdventuresOfSupermanPageFive
TheAdventuresOfSupermanPageFour
TheAdventuresOfSupermanPageOne
TheAdventuresOfSupermanPageSeven
TheAdventuresOfSupermanPageSix
TheAdventuresOfSupermanPageThree
TheAdventuresOfSupermanPageTwo
TheaterFive
TheCoupleNextDoor01
TheGreenHornet
TheGreenHornetPageFour
TheGreenHornetPageOne
TheGreenHornetPageThree
TheGreenHornetPageTwo
TheHallsOfIvy
TheManCalledX
TheSixShooter
VicAndSade
WildBillHickok
YouBetYourLife


CertFirstLines /
AddressUnknown
BabeRuthCollection
BarrieCraigConfidentialInvestigator
BarrieCraigConfidentialInvestigatorPage01
BarrieCraigConfidentialInvestigatorPage02
BarrieCraigConfidentialInvestigatorPage03
BarrieCraigConfidentialInvestigatorPage04
BarrieCraigConfidentialInvestigatorPage10
BarrieCraigConfidentialInvestigatorPage15
BarrieCraigConfidentialInvestigatorPage99
BarrieCraigConfidentialInvestigatorPageFooter
BehindTheScene
BigShow
BlackMuseum
BlairOfTheMounties
BlueBeetle
Box13
BrightStar
BroadwaysMyBeat
BroadwaysMyBeatFooter
BroadwaysMyBeatPage01
BroadwaysMyBeatPage02
BroadwaysMyBeatPage03
BroadwaysMyBeatPage10
BroadwaysMyBeatPage15
BroadwaysMyBeatPage99
CandyMatsonYukon28209
CaseDismissed
CavalcadeOfAmerica
CavalcadeOfAmericaPage01
CavalcadeOfAmericaPage02
CavalcadeOfAmericaPage03
CavalcadeOfAmericaPage04
CavalcadeOfAmericaPage05
CavalcadeOfAmericaPage06
CavalcadeOfAmericaPage07
CavalcadeOfAmericaPage08
CavalcadeOfAmericaPage10
CavalcadeOfAmericaPage15
CavalcadeOfAmericaPage99
CavalcadeOfAmericaPageFooter
CavalcadeOfKings
Chase
ChetChettersTalesFromTheMorgue
CinnamonBear
CloakAndDagger
ClydeBeattyShow
CrimeClassics
CruiseOfThePollParrot
DangerouslyYours
DangerWithGrainger
DarkFantasy
DayOfTheTraffids
DevilAndMrO
Dragnet
DragnetPage01
DragnetPage02
DragnetPage03
DragnetPage04
DragnetPage10
DragnetPage15
DragnetPage99
DragnetPageFooter
DrJekyllAndMrHyde
FalconTheAdventuresOfThe
FalconTheAdventuresOfTheFooter
FalconTheAdventuresOfThePage01
FalconTheAdventuresOfThePage02
FalconTheAdventuresOfThePage03
FalconTheAdventuresOfThePage04
FalconTheAdventuresOfThePage05
FalconTheAdventuresOfThePage06
FalconTheAdventuresOfThePage10
FalconTheAdventuresOfThePage15
FalconTheAdventuresOfThePage99
FamilyDoctor
FatMan
FatManFooter
FatManPage01
FatManPage02
FatManPage03
FatManPage10
FatManPage15
FatManPage99
FifthHorseman
FireFighters
FiveMinuteMysteries
FortLaramie
FrontierGentleman
GoodNewsOf
GreenValleyLine
HallsOfIvy
HallsOfIvyFooter
HallsOfIvyPage01
HallsOfIvyPage10
HallsOfIvyPage15
HelloAmericans
HillbillyBoys
HomePage
IncredibleButTrue
InTheNameOfTheLaw
ItSticksOutHalfAMile
LetGeorgeDoIt
LetGeorgeDoItFooter
LetGeorgeDoItPage01
LetGeorgeDoItPage02
LetGeorgeDoItPage03
LetGeorgeDoItPage04
LetGeorgeDoItPage10
LetGeorgeDoItPage15
LetGeorgeDoItPage99
LukeSlaughterOfTombstone
MayorOfTheTown
MrKeenTracerOfLostPersons
MrPresident
MysteryHouse
NeroWolfeTheNewAdventuresOf
Nightwatch
PhilipMarloweBBC
PhilipMarloweTheAdventuresOf
PhilipMarloweTheAdventuresOfFooter
PhilipMarloweTheAdventuresOfFootnote
PhilipMarloweTheAdventuresOfPage01
PhilipMarloweTheAdventuresOfPage02
PhilipMarloweTheAdventuresOfPage03
PhilipMarloweTheAdventuresOfPage10
PhilipMarloweTheAdventuresOfPage15
PhilipMarloweTheAdventuresOfPage90
PhilipMarloweTheAdventuresOfPage99
PhilipMarloweTheAdventuresOfSpecialNote
PhiloVance
PlanetMan
PoliceHeadquarters
PopeyeTheSailor
PrivateFilesOfRexSaunders
QuietPlease
RadioHallOfFame
RedBookDramas
RichardDiamondPrivateDetective
RockyFortune
SamSpadeTheAdventuresOf
SealedBook
SecretAgentK7
SecretsofScotlandYard
ShellChateau
SherlockHolmesConwayAndBruce
SherlockHolmesRathboneAndBruce
SilentMen
SixShooter
SkyKing
SmithsOfHollywood
StandByForCrime
StrokeOfFate
Whitehall1212
WorldAdventurersClub
YoursTrulyJohnnyDollar
YoursTrulyJohnnyDollarFooter
YoursTrulyJohnnyDollarPage01
YoursTrulyJohnnyDollarPage02
YoursTrulyJohnnyDollarPage03
YoursTrulyJohnnyDollarPage04
YoursTrulyJohnnyDollarPage05
YoursTrulyJohnnyDollarPage06
YoursTrulyJohnnyDollarPage07
YoursTrulyJohnnyDollarPage08
YoursTrulyJohnnyDollarPage09
YoursTrulyJohnnyDollarPage10
YoursTrulyJohnnyDollarPage11
YoursTrulyJohnnyDollarPage12
YoursTrulyJohnnyDollarPage99

Simultaneous Edits


PmWiki has support for handling the case where multiple authors attempt to edit the same page nearly simultaneously. Here's the basic scenario for systems where simultaneous edits are not handled:

  • Alice starts to edit a page.
  • Before Alice saves her edits, Bob requests an edit of the same page, and receives the page text prior to Alice's edits.
  • Bob finishes with his edits and hits "save".
  • Alice finishes editing her page, hits "save", and since she was working from a version of the page from before Bob had made his changes, she wipes out Bob's edits in the process.

PmWiki's simultaneous edit feature detects when this occurs, and instead of saving Alice's edits PmWiki presents Alice with a message that someone else changed the page while she was editing it. Furthermore, Bob's changes are merged into Alice's copy of the page, with any conflicts highlighted by <<<<<<< and >>>>>>>. Alice can then fix things as appropriate and save the updated page, or, if Alice is lazy, she can just hit "save" a second time and leave it to someone else to fix.

The simultaneous edits feature is also invoked whenever someone requests a page preview; thus if a page changes while previewing a page the author gets notification and can see the merged results.

How can I test/experiment with this feature?

  1. Open up two browser windows and select the same page to be edited in each window (e.g., try WikiSandbox?action=edit).
  2. In one browser window, make some changes to the page and then save those changes.
  3. In the second browser window, make some different changes to the same page and hit "save". Since the page changed after the edit form was loaded into the second window, there's a potential edit conflict and you'll receive the "edit conflict message".
  4. You can make any adjustments in the second window, and press "Save" again to save the changes.

Notice

Some server environments such as Windows and PHP running in safe_mode are unable to use the simultaneous edits capability distributed with PmWiki. See Cookbook:SimultaneousEdits for a solution for these environments.



This page may have a more recent version on pmwiki.org: PmWiki:SimultaneousEdits, and a talk page: PmWiki:SimultaneousEdits-Talk.

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Page last modified on September 10, 2011, at 10:08 AM