Spec2nexus

Development: GitHub repository
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:2014-02-19: reference published documentation (re-posted)
:2014-02-19: add documentation framework
:2014-02-18: fork to GitHub to make generally available

Development: NeXpy branch
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:2014-01: briefly, a branch in https://github.com/nexpy/nexpy

* spec2nexus added during this phase
* relies on nexpy.api.nexus for NeXus support

Production: USAXS livedata
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:2010-2014: production use

* support livedata WWW page of APS USAXS instrument

* (http://usaxs.xray.aps.anl.gov/livedata/),

* https://subversion.xray.aps.anl.gov/trac/small_angle/browser/USAXS/livedata/prjPySpec.py
* converted from Tcl

:2000-2010: Tcl code (*readSpecData.tcl*) in production use at APS sectors 32, 33, & 34

* `135 <https://github.com/prjemian/spec2nexus/issues/135>`_
switch to semantic versioning
* `133 <https://github.com/prjemian/spec2nexus/issues/133>`_
support user control line "U " with plugin
* `131 <https://github.com/prjemian/spec2nexus/issues/131>`_
support MD control lines from apstools.SpecWriterCallback
* `125 <https://github.com/prjemian/spec2nexus/issues/125>`_
fluorescence spectra in files for RSM3D
* `120 <https://github.com/prjemian/spec2nexus/issues/120>`_
do not mock `six` package in documentation
* `119 <https://github.com/prjemian/spec2nexus/issues/119>`_
delimiters in H/V lines with or without text values
* `116 <https://github.com/prjemian/spec2nexus/issues/116>`_
process data from spock

see [release notes](https://github.com/prjemian/spec2nexus/wiki/releasenotes__2-1-0)

It takes a couple steps to upgrade an existing conda installation from version 2017.nnnn to newer version 2.1.0

- add a declaration of `spec2nexus < 2000` in the `conda-meta/pinned` file in the conda environment
- `conda update -c prjemian spec2nexus` (should change to 2.1.0)

It may still be necessary to uninstall and reinstall spec2nexus to effect an update:

conda uninstall -y spec2nexus
conda install -c prjemian spec2nexus