[symbolic coords] in combination with `bar width` doesn't work

pgf-tikz / pgfplots

pgfplots - A TeX package to draw normal and/or logarithmic plots directly in TeX in two and three dimensions with a user-friendly interface and pgfplotstable - a TeX package to round and format numerical tables. Examples in manuals and/or on web site.

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Migrated from SourceForge https://sourceforge.net/p/pgfplots/bugs/147/ Author: mo-gul Timestamp: 2017-01-09 14:12:47.193000

As was reported at http://tex.stackexchange.com/q/347831/95441 bar width isn't working when symbolic coords are used. Here a more reduced MWE

\documentclass[border=5pt]{standalone}
\usepackage{pgfplots}
    \pgfplotsset{compat=1.14}
\begin{document}
\begin{tikzpicture}
\begin{axis}[
    ybar,
%    % leads to an error suggesting to use `[normalized]' ...
%    bar width={1},
    % but using it results in a math error that "normlaized" isn't a known
    % math function (of course)
    bar width={[normalized]1},
    symbolic x coords={a,b},
]
\addplot coordinates {
    (a, 39.000000)
    (b, 30.200000)
};
\end{axis}
\end{tikzpicture}
\end{document}

pgf-tikz / pgfplots

[symbolic coords] in combination with `bar width` doesn't work #147