In core/zip/inc/Compression.h was introduced RCompressionSetting class with set of enumerated classes for compression level, compression algorithm and default compression settings

thanks Oksana for spotting this.

Fix a bug in setting different luxury levels for Ranlux. When calling SetSeed, the default luxury level was alway set.

This reverts commit 0030cfc5.

  1. No need to make it a friend
  2. No need for the ABI compatibility workaround. Now this is in a library and not interpreted.

it can become a plain internal helper.

to support the PCRE dialect.
This is done because TRegexp is insufficient for common task such as
expressing an OR.
The choice is documented and a test is added.

therewith removing the need to include TInterpreter.h.

in order not to include TROOT.h in RInterface.hxx

transfer routines to InterfaceUtils and include the headers in
the cxx file. The objective is to reduce parsing time of the
RInterface.hxx header.

implemented in the ROOTDataFrame library.

* Improve documentation of RooAddition.

* Improve formatting of docs for RooMCStudy and RooAbsRealLValue.

* Improve documentation for RooMCStudy and RooAddPdf.

* Improve docs for several Roo classes: RooAbsReal, RooAbsPdf, RooAbsRealLValue, RooExtendPdf.

* Minor improvement of docs in RooAbsPdf, RooExtendPdf, RooRealIntegral

[TFormula] Allow autoparsing to hit before Declare() (ROOT-9840)