obslog: simplify formatter keys The formatter field keys are all prefixed with `debugobshistory.'. This is annoyingly useless as they are already in the `debughistory` topic. This patch simplify these keys. For examle, on this repository `hg obslog -Tdebug -r 31cbace4c0f1` : ``` debugobshistory = [ { 'node':'31cbace4c0f1', 'shortdescription':'topics: make sure we have some restrictions on topic names', 'rev':2904, 'markers':[ ] }, { 'node':'d439a6087434', 'markers':[ { 'date':(1504176329.83902, -7200 ), 'verb':'rewritten', 'succnodes':[ '31cbace4c0f1' ], 'effect':[ 'parent' ], 'user':'Pierre-Yves David <pierre-yves.david@octobus.net>' } ] }, { 'node':'1e1f651704d4', 'markers':[ { 'date':(1504175088.811924, -7200 ), 'verb':'rewritten', 'succnodes':[ 'd439a6087434' ], 'effect':[ 'parent' ], 'user':'Pierre-Yves David <pierre-yves.david@octobus.net>' } ] }, { 'node':'eb6495cf6cb1', 'markers':[ { 'date':(1504015275.001643, -19800 ), 'verb':'rewritten', 'succnodes':[ '1e1f651704d4' ], 'effect':[ 'parent', 'content' ], 'user':'Pulkit Goyal <7895pulkit@gmail.com>' } ] }, { 'node':'761e446e0112', 'markers':[ { 'date':(1504015201.780276, -19800 ), 'verb':'rewritten', 'succnodes':[ 'eb6495cf6cb1' ], 'effect':[ 'content' ], 'user':'Pulkit Goyal <7895pulkit@gmail.com>' } ] }, { 'node':'531a626950bd', 'markers':[ { 'date':(1504015017.897054, -19800 ), 'verb':'rewritten', 'succnodes':[ '761e446e0112' ], 'effect':[ 'meta', 'parent', 'content' ], 'user':'Pulkit Goyal <7895pulkit@gmail.com>' } ] }, { 'node':'c2f9ba7329ea', 'markers':[ { 'date':(1504014136.876537, -19800 ), 'verb':'rewritten', 'succnodes':[ '531a626950bd' ], 'effect':[ 'meta' ], 'user':'Pulkit Goyal <7895pulkit@gmail.com>' } ] }, ] ``` We now able to ask `hg obslog -r 78debdfb3e4d -T '{label("log.summary", shortdescription)}\n{if(markers, markers % " {date|age} {user|person}\n")}'` ``` doc: simplify the reference to in-core features 9 days ago Pierre-Yves David 9 days ago Pierre-Yves David 9 days ago Pierre-Yves David 9 days ago Pierre-Yves David 9 days ago Philippe Pepiot 9 days ago Philippe Pepiot ```

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  $ cat >> $HGRCPATH <<EOF

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  > [ui]

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  > logtemplate={rev}:{node|short}[{bookmarks}] ({obsolete}/{phase}) {desc|firstline}\n

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  > [extensions]

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  > EOF

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  $ echo "evolve=$(echo $(dirname $TESTDIR))/hgext3rd/evolve/" >> $HGRCPATH

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  $ mkcommit() {

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  >    echo "$1" > "$1"

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  >    hg add "$1"

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  >    hg ci -m "add $1"

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  > }

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  $ hg init repo

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  $ cd repo

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  $ mkcommit a

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  $ mkcommit b

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test disabling commands

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  $ cat >> .hg/hgrc <<EOF

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  > [experimental]

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  > evolution=createmarkers

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  >   allowunstable

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  >   exchange

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  > EOF

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  $ hg prune | head -n 2

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  hg: unknown command 'prune'

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  Mercurial Distributed SCM

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