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Better formulation

This commit is contained in:
Joris van der Hoeven 2015-12-10 12:34:29 +00:00
parent 523163f3fd
commit 6995361fc1
1 changed files with 8 additions and 6 deletions
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14
devel/scheme/overview/overview-lazyness.en.tm
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<TeXmacs|1.0.7.17>
<TeXmacs|1.99.4>
<style|tmdoc>
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Because the number of <TeXmacs> modules and plug-ins keeps on growing, it
is inefficient to load all modules when booting. Instead, initialization
files are assumed to declare the provided functionality in a <em|lazy> way,
so that the corresponding modules will only be loaded when the
functionality is explictly needed. Some modules may also be loaded during
spare time, when the computer is waiting for user input.
files are assumed to declare the provided functionality in a <em|lazy> way:
whenever the functionality is explictly needed, <TeXmacs> is triggered to
load the corresponding modules (if this was not already done). In addition,
<TeXmacs> may load some of these modules during spare time, when the
computer is waiting for user input. Indeed, this helps increasing the
reactivity of <TeXmacs> at the first use of the functionality.
For instance, assume that you defined a large new editing function
<scm|foo-action> inside the module <scm|(foo-edit)>. Then your
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has the important consequence that you can no longer make assumptions on
when a particular module is loaded. For instance, when you attempt to
redefine a keyboard shortcut in your personal initialization file, it may
happen that the standard definition is loaded after your ``redefinition''.
happen that the standard definition is loaded after your \Predefinition\Q.
In that case, your redefinition remains without consequence.
For this reason, <TeXmacs> also provides the instruction <scm|import-from>