Author: cpage
Date: Mon Dec 19 10:37:47 2005
New Revision: 10412
Modified:
trunk/www/books/drm/Condition_Classes.html
Log:
Job: website
Removed the last uses of class T1.Text1; these were missed in the recent
change where I removed the others.
Modified: trunk/www/books/drm/Condition_Classes.html
==============================================================================
--- trunk/www/books/drm/Condition_Classes.html (original)
+++ trunk/www/books/drm/Condition_Classes.html Mon Dec 19 10:37:47 2005
@@ -156,7 +156,7 @@
<a name="UID-Built-In_Classes-399"></a>
<h1 class="section-title"><a name="MARKER-9-1472"></a><a
name="MARKER-2-1473"></a>Conditions</h1>
<p class="T0.Text0">Conditions are used to describe and signal
exceptional situations.</p>
- <p class="T1.Text1"><a href="#MARKER-9-1474">Figure 11-6</a> shows the
built-in condition classes and some of their characteristics.</p>
+ <p><a href="#MARKER-9-1474">Figure 11-6</a> shows the built-in condition
classes and some of their characteristics.</p>
<p class="figure"><strong>Figure</strong> <strong>11-6</strong> <a
name="MARKER-9-1474"></a>The Condition Classes</p>
<div class="figure wide" style="min-width: 699px">
@@ -204,7 +204,7 @@
<a name="HEADING95-5"></a>
<h4 class="item-title"><span class="signature"><code
id="MARKER-2-1475"><condition></code> </span><span
class="attributes-summary">[Open Abstract Class]</span></h4>
<hr class="item-title" />
- <p class="T1.Text1">The class of objects used by the condition system to
connect a signaler with an appropriate handler.</p>
+ <p>The class of objects used by the condition system to connect a
signaler with an appropriate handler.</p>
<dl class="Cliche">
<dt class="Cliche"><span>Superclasses:</span></dt>
<dd class="Cliche"><p><code><object></code></p></dd>
@@ -264,7 +264,7 @@
<a name="HEADING95-198"></a>
<h4 class="item-title"><span class="signature"><code
id="MARKER-2-1476"><serious-condition></code> </span><span
class="attributes-summary">[Open Abstract Class]</span></h4>
<hr class="item-title" />
- <p class="T1.Text1">The class of conditions that cannot safely be
ignored.</p>
+ <p>The class of conditions that cannot safely be ignored.</p>
<dl class="Cliche">
<dt class="Cliche"><span>Superclasses:</span></dt>
<dd class="Cliche"><p><code><condition></code></p></dd>
@@ -290,22 +290,23 @@
<a name="HEADING95-239"></a>
<h4 class="item-title"><span class="signature"><code
id="MARKER-2-1477"><error></code> </span><span
class="attributes-summary">[Open Abstract Class]</span></h4>
<hr class="item-title" />
- <p class="T1.Text1">The class of conditions that represent something
invalid about the program.</p>
+ <p>The class of conditions that represent something invalid about the
program.</p>
<dl class="Cliche">
<dt class="Cliche"><span>Superclasses:</span></dt>
<dd class="Cliche"><p><code><serious-condition></code></p></dd>
<dt class="Cliche"><span>Init-keywords:</span></dt>
<dd class="Cliche"><p>None.</p></dd>
<dt class="Cliche"><span>Description:</span></dt>
- <dd class="Cliche"><p>The class of serious conditions that represent
program errors.</p>
- <p class="T1.Text1"><code><error></code> is distinct from
<code><serious-condition></code> so one can establish a handler for
errors that does not also trap unpredictable environmental exceptions such as
network problems.</p></dd>
+ <dd class="Cliche">
+ <p>The class of serious conditions that represent program errors.</p>
+ <p><code><error></code> is distinct from
<code><serious-condition></code> so one can establish a handler for
errors that does not also trap unpredictable environmental exceptions such as
network problems.</p></dd>
<dt class="Cliche"><span>Operations:</span></dt>
<dd class="Cliche"><p>None.</p></dd>
</dl>
<a name="HEADING95-246"></a>
<h4 class="item-title"><span class="signature"><code
id="MARKER-2-1478"><simple-error></code> </span><span
class="attributes-summary">[Sealed Instantiable Class]</span></h4>
<hr class="item-title" />
- <p class="T1.Text1">The class of error conditions that consist of just
an error message constructed from a format string and arguments.</p>
+ <p>The class of error conditions that consist of just an error message
constructed from a format string and arguments.</p>
<dl class="Cliche">
<dt class="Cliche"><span>Superclasses:</span></dt>
<dd class="Cliche"><p><code><error></code></p></dd>
@@ -318,8 +319,9 @@
arguments to splice into the format string to describe the
error.</p></dd>
</dl></dd>
<dt class="Cliche"><span>Description:</span></dt>
- <dd class="Cliche"><p>The class of error conditions that consist of
just an error message constructed from a format string and arguments.</p>
- <p class="T1.Text1">The recovery protocol of
<code><simple-error></code> is empty.</p></dd>
+ <dd class="Cliche">
+ <p>The class of error conditions that consist of just an error
message constructed from a format string and arguments.</p>
+ <p>The recovery protocol of <code><simple-error></code> is
empty.</p></dd>
<dt class="Cliche"><span>Operations:</span></dt>
<dd class="Cliche"><p>The class <simple-error> provides the
following operations:</p>
<table class="numbered"><caption><strong>Table 11-72</strong>
Functions on <simple-error></caption>
@@ -338,7 +340,7 @@
<a name="HEADING95-302"></a>
<h4 class="item-title"><span class="signature"><code
id="MARKER-2-1479"><type-error></code> </span><span
class="attributes-summary">[Sealed Instantiable Class]</span></h4>
<hr class="item-title" />
- <p class="T1.Text1">The class of error conditions generated by type
checks.</p>
+ <p>The class of error conditions generated by type checks.</p>
<dl class="Cliche">
<dt class="Cliche"><span>Superclasses:</span></dt>
<dd class="Cliche"><p><code><error></code></p></dd>
@@ -350,8 +352,9 @@
<dd><p>An instance of <code><type></code>. The type that was
expected. The error was signaled because the object was not of this
type.</p></dd>
</dl></dd>
<dt class="Cliche"><span>Description:</span></dt>
- <dd class="Cliche"><p>The class of errors indicating that an object was
not of the expected type.</p>
- <p class="T1.Text1">The recovery protocol is empty.</p></dd>
+ <dd class="Cliche">
+ <p>The class of errors indicating that an object was not of the
expected type.</p>
+ <p>The recovery protocol is empty.</p></dd>
<dt class="Cliche"><span>Operations:</span></dt>
<dd class="Cliche"><p>The class <code><type-error></code>
provides the following operations:</p>
<table class="numbered"><caption><strong>Table 11-73</strong>
Functions on <type-error></caption>
@@ -370,7 +373,7 @@
<a name="HEADING95-358"></a>
<h4 class="item-title"><span class="signature"><code
id="MARKER-2-1480"><sealed-object-error></code> </span><span
class="attributes-summary">[Sealed Class]</span></h4>
<hr class="item-title" />
- <p class="T1.Text1">The class of errors that are generated by sealing
violations.</p>
+ <p>The class of errors that are generated by sealing violations.</p>
<dl class="Cliche">
<dt class="Cliche"><span>Superclasses:</span></dt>
<dd class="Cliche"><p><code><error></code></p></dd>
@@ -387,7 +390,7 @@
<a name="HEADING95-365"></a>
<h4 class="item-title"><span class="signature"><code
id="MARKER-2-1481"><warning></code> </span><span
class="attributes-summary">[Open Abstract Class]</span></h4>
<hr class="item-title" />
- <p class="T1.Text1">The class of conditions that are interesting to
users but can safely be ignored.</p>
+ <p>The class of conditions that are interesting to users but can safely
be ignored.</p>
<dl class="Cliche">
<dt class="Cliche"><span>Superclasses:</span></dt>
<dd class="Cliche"><p><code><condition></code></p></dd>
@@ -407,13 +410,14 @@
</dl>
<dl class="Cliche">
<dt class="Cliche"><span>Description:</span></dt>
- <dd class="Cliche"><p>The class of conditions that can be safely
ignored.</p>
- <p class="T1.Text1">There is a default handler for
<code><warning></code> that displays the warning in a user-interface
dependent way and then returns <code>#f</code>. The recovery protocol is that
any value can be returned and will be ignored.</p></dd>
+ <dd class="Cliche">
+ <p>The class of conditions that can be safely ignored.</p>
+ <p>There is a default handler for <code><warning></code> that
displays the warning in a user-interface dependent way and then returns
<code>#f</code>. The recovery protocol is that any value can be returned and
will be ignored.</p></dd>
</dl>
<a name="HEADING95-406"></a>
<h4 class="item-title"><span class="signature"><code
id="MARKER-2-1482"><simple-warning></code> </span><span
class="attributes-summary">[Sealed Instantiable Class]</span></h4>
<hr class="item-title" />
- <p class="T1.Text1">A default class of warnings that are described by a
warning string.</p>
+ <p>A default class of warnings that are described by a warning
string.</p>
<dl class="Cliche">
<dt class="Cliche"><span>Superclasses:</span></dt>
<dd class="Cliche"><p><code><warning></code></p></dd>
@@ -425,8 +429,9 @@
<dd class="Cliche2"><p>An instance of
<code><sequence></code>. Format arguments to splice into the format
string to describe the warning.</p></dd>
</dl></dd>
<dt class="Cliche"><span>Description:</span></dt>
- <dd class="Cliche"><p>The class of warnings described by a format
string and arguments.</p>
- <p class="T1.Text1">The recovery protocol is that any value can be
returned and will be ignored.</p></dd>
+ <dd class="Cliche">
+ <p>The class of warnings described by a format string and
arguments.</p>
+ <p>The recovery protocol is that any value can be returned and will
be ignored.</p></dd>
<dt class="Cliche"><span>Operations:</span></dt>
<dd class="Cliche"><p>The class <simple-warning> provides the
following operations:</p>
<table class="numbered"><caption><strong>Table 11-75</strong>
Functions on <simple-warning></caption>
@@ -448,15 +453,16 @@
<a name="HEADING95-463"></a>
<h4 class="item-title"><span class="signature"><code
id="MARKER-2-1483"><restart></code> </span><span
class="attributes-summary">[Open Abstract Class]</span></h4>
<hr class="item-title" />
- <p class="T1.Text1">The class of conditions used for restarting a
computation.</p>
+ <p>The class of conditions used for restarting a computation.</p>
<dl class="Cliche">
<dt class="Cliche"><span>Superclasses:</span></dt>
<dd class="Cliche"><p><code><condition></code></p></dd>
<dt class="Cliche2"><span>Init-keywords:</span></dt>
<dd class="Cliche2"><p> <code>condition:</code> <code>#f</code> or an
instance of <code><condition></code>. This argument is accepted and
ignored by <code><restart></code>; some subclasses save the value of this
initialization argument and use it to associate a restart with a particular
condition from which the restart can recover. No such subclasses are defined as
part of the language. Other restarts do not care; they can recover from any
condition.</p></dd>
<dt class="Cliche"><span>Description:</span></dt>
- <dd class="Cliche"><p>The class of conditions used to correct an
unusual situation.</p>
- <p class="T1.Text1">There is a default handler for
<code><restart></code> that signals an error reporting an attempt to use
a restart for which no restart handler was established. The recovery protocol
concept is not applicable to restarts.</p></dd>
+ <dd class="Cliche">
+ <p>The class of conditions used to correct an unusual situation.</p>
+ <p>There is a default handler for <code><restart></code> that
signals an error reporting an attempt to use a restart for which no restart
handler was established. The recovery protocol concept is not applicable to
restarts.</p></dd>
<dt class="Cliche"><span>Operations:</span></dt>
<dd class="Cliche"><p>The class <code><restart></code> provides
the following operations:</p>
<table class="numbered"><caption><strong>Table 11-76</strong>
Generic functions on <restart></caption>
@@ -480,7 +486,7 @@
<a name="HEADING95-538"></a>
<h4 class="item-title"><span class="signature"><code
id="MARKER-2-1484"><simple-restart></code> </span><span
class="attributes-summary">[Sealed Instantiable Class]</span></h4>
<hr class="item-title" />
- <p class="T1.Text1">A default class of restarts.</p>
+ <p>A default class of restarts.</p>
<dl class="Cliche">
<dt class="Cliche"><span>Superclasses:</span></dt>
<dd class="Cliche"><p><code><restart></code></p></dd>
@@ -492,8 +498,9 @@
<dd><p>An instance of <code><sequence></code>. Format
arguments to splice into the format string to describe the restart.</p></dd>
</dl></dd>
<dt class="Cliche"><span>Description:</span></dt>
- <dd class="Cliche"><p>A default class of restarts.</p>
- <p class="T1.Text1">Typical implementations will use the format
string and format arguments to produce a description of the restart.</p></dd>
+ <dd class="Cliche">
+ <p>A default class of restarts.</p>
+ <p>Typical implementations will use the format string and format
arguments to produce a description of the restart.</p></dd>
<dt class="Cliche"><span>Operations:</span></dt>
<dd class="Cliche"><p>The class <simple-restart> provides the
following operations:</p>
<table class="numbered"><caption><strong>Table 11-78</strong>
Functions on <simple-restart></caption>
@@ -514,15 +521,16 @@
<a name="HEADING95-595"></a>
<h4 class="item-title"><span class="signature"><code
id="MARKER-2-1485"><abort></code> </span><span
class="attributes-summary">[Sealed Instantiable Class]</span></h4>
<hr class="item-title" />
- <p class="T1.Text1">The class of conditions used to terminate a
computation.</p>
+ <p>The class of conditions used to terminate a computation.</p>
<dl class="Cliche">
<dt class="Cliche"><span>Superclasses:</span></dt>
<dd class="Cliche"><p><code><restart></code></p></dd>
<dt class="Cliche"><span>Init-keywords:</span></dt>
<dd class="Cliche"><p>None.</p></dd>
<dt class="Cliche"><span>Description:</span></dt>
- <dd class="Cliche"><p>The class of conditions used to terminate a
computation.</p>
- <p class="T1.Text1">Handlers are expected to terminate execution of
the current application command, or similar unit of execution, and return
control to something like an application command loop. This is comparable to
command-period on the Macintosh. The exact details of this feature depend on
the particular environment, of course, but signaling an instance of
<code><abort></code> is a uniform way to "get out."</p></dd>
+ <dd class="Cliche">
+ <p>The class of conditions used to terminate a computation.</p>
+ <p>Handlers are expected to terminate execution of the current
application command, or similar unit of execution, and return control to
something like an application command loop. This is comparable to
command-period on the Macintosh. The exact details of this feature depend on
the particular environment, of course, but signaling an instance of
<code><abort></code> is a uniform way to "get out."</p></dd>
<dt class="Cliche"><span>Operations:</span></dt>
<dd class="Cliche"><p>None.<a name="MARKER-2-1486"></a><a
name="MARKER-2-1487"></a></p>
<a name="LINK-Built-In_Classes-lastpage"></a><a
name="LINK-Built-In_FunctionsTOC-firstpage"></a></dd>
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