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Fix outdated text in the Calc manual

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* doc/misc/calc.texi (Internals): Don't advertise
'calc-extensions' which no longer exists.  Reported by Francis
Wright <francis.j.wright@gmail.com>.
This commit is contained in:
Eli Zaretskii 2018-08-17 17:22:44 +03:00
parent f882de8b80
commit a9cf9387d9
1 changed files with 6 additions and 7 deletions
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doc/misc/calc.texi
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@ -33275,19 +33275,18 @@ prefer them, or if you are calling these functions from regular Lisp.
The functions described here are scattered throughout the various
Calc component files. Note that @file{calc.el} includes @code{autoload}s
for only a few component files; when Calc wants to call an advanced
function it calls @samp{(calc-extensions)} first; this function
autoloads @file{calc-ext.el}, which in turn autoloads all the functions
in the remaining component files.
for only a few component files; to get autoloads of the more advanced
function, one needs to load @file{calc-ext.el}, which in turn
autoloads all the functions in the remaining component files.
Because @code{defmath} itself uses the extensions, user-written code
generally always executes with the extensions already loaded, so
normally you can use any Calc function and be confident that it will
be autoloaded for you when necessary. If you are doing something
special, check carefully to make sure each function you are using is
from @file{calc.el} or its components, and call @samp{(calc-extensions)}
before using any function based in @file{calc-ext.el} if you can't
prove this file will already be loaded.
from @file{calc.el} or its components, and use @w{@code{(require
'calc-ext)}} before using any function based in @file{calc-ext.el} if
you can't prove this file will already be loaded.
@menu
* Data Type Formats::