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-PECLocalFwk
-===========
+# Mēnsūra
 
-A framework to analyse [PlainEventContent files](https://twiki.cern.ch/twiki/bin/viewauth/CMS/PlainEventContentTuples)
-locally. The files are produced by [single-top subpackage](https://github.com/andrey-popov/single-top) for CMSSW. In a
-normal workflow this step is performed in Grid. The framework allows to read the files, perform a user-defined event
-selection, evaluate systematical variations, and enables user to define plugins to calcualte and store desired quantities.
+Mensura is a framework to perform physics analysis of data recorded by the [CMS](http://cms.cern.ch) experiment.
+It operates with abstracted representations of reconstructed and generator-level objects, such leptons, jets, and missing Et, concentrating on their physical properties rather than details of reconstruction.
+Events in input datasets are processed with a set of plugins defined by user, which allows to apply a modular approach.
+Distribution includes standard plugins for a number of common tasks such as event selection, reweighting to account for b-tagging scale factors, and others.
+The framework supports multithreaded processing.
 
-Documentation for the framework is available in a dedicated [page](https://twiki.cern.ch/twiki/bin/view/CMS/PECLocalFramework)
-of [CMS](http://cms.cern.ch) TWiki. Developer notes (including description of releases) are aggregated at
-[this page](https://twiki.cern.ch/twiki/bin/view/CMS/PECLocalFrameworkDev).
-
-Old versions of the framework are hosted at CERN [SVN](https://svnweb.cern.ch/trac/singletop/browser/PECLocalFwk/tags)
-service. They have not been incorporated into this repository.
+Out of the box, the framework supports reading files with events produced by the [PEC-tuples](https://github.com/andrey-popov/PEC-tuples) package.
+However, it is possible to read files of a custom format if user implements appropriate reader plugins.