Function documentation for aref uses two different names for the same
function argument:
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(aref ARRAY IDX)
Return the element of ARG at index IDX.
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ARRAY <---> ARG
In GNU Emacs 26.0.91 (build 1, x86_64-apple-darwin17.3.0, NS appkit-1561.20 Version 10.13.2 (Build 17C205))
of 2018-01-23 built on kl-13837
Windowing system distributor 'Apple', version 10.3.1561
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C-x <up> is undefined
Configured using:
'configure --disable-dependency-tracking --disable-silent-rules
--enable-locallisppath=/usr/local/share/emacs/site-lisp
--infodir=/usr/local/Cellar/emacs/26.0.91/share/info/emacs
--prefix=/usr/local/Cellar/emacs/26.0.91 --without-x --with-xml2
--without-dbus --with-gnutls --with-imagemagick --with-modules
--with-rsvg --without-pop --with-ns --disable-ns-self-contained'
Configured features:
JPEG RSVG IMAGEMAGICK NOTIFY ACL GNUTLS LIBXML2 ZLIB TOOLKIT_SCROLL_BARS
NS MODULES LCMS2
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