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Fix outdated text in the Calc manual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>.
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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 The functions described here are scattered throughout the various
Calc component files. Note that @file{calc.el} includes @code{autoload}s 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 for only a few component files; to get autoloads of the more advanced
function it calls @samp{(calc-extensions)} first; this function function, one needs to load @file{calc-ext.el}, which in turn
autoloads @file{calc-ext.el}, which in turn autoloads all the functions autoloads all the functions in the remaining component files.
in the remaining component files.
Because @code{defmath} itself uses the extensions, user-written code Because @code{defmath} itself uses the extensions, user-written code
generally always executes with the extensions already loaded, so generally always executes with the extensions already loaded, so
normally you can use any Calc function and be confident that it will normally you can use any Calc function and be confident that it will
be autoloaded for you when necessary. If you are doing something be autoloaded for you when necessary. If you are doing something
special, check carefully to make sure each function you are using is special, check carefully to make sure each function you are using is
from @file{calc.el} or its components, and call @samp{(calc-extensions)} from @file{calc.el} or its components, and use @w{@code{(require
before using any function based in @file{calc-ext.el} if you can't 'calc-ext)}} before using any function based in @file{calc-ext.el} if
prove this file will already be loaded. you can't prove this file will already be loaded.
@menu @menu
* Data Type Formats:: * Data Type Formats::