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<P>Names of design patterns appear in small capitals: e.g., A<FONT
SIZE=-1>DAPTER</FONT>. Page numbers in bold indicate the definition
of a term. Numbers in italics indicate a diagram for the term.
Letters after a diagram's page number indicate the kind of diagram:
a "c" denotes a class diagram, an "i" denotes an interaction diagram,
and an "o" denotes an object diagram. For example, <I>88co</I>
means that a class and object diagram appears on page 88.</P>
<H2>E</H2>
<DL>
<DT>e-mail address</DT>
<DD>reaching the authors
<a href="pref2fs-1.htm#mail" tppabs="http://ultra/development/DesignPatterns/lowres/pref2fs.htm#mail" target="_mainDisplayFrame">xii</a>
</DD>
<DT>Eiffel
<A HREF="chap1fs-1.htm#eiffel" tppabs="http://ultra/development/DesignPatterns/lowres/chap1fs.htm#eiffel" TARGET="_mainDisplayFrame">17</A>,
<A HREF="chap1fs-1.htm#gen-eiffel" tppabs="http://ultra/development/DesignPatterns/lowres/chap1fs.htm#gen-eiffel" TARGET="_mainDisplayFrame">21</A>
</DT>
<DT>Element</DT>
<DD>participant of V<FONT SIZE=-1>ISITOR</FONT>
<A HREF="pat5kfs-1.htm#part-element" tppabs="http://ultra/development/DesignPatterns/lowres/pat5kfs.htm#part-element" TARGET="_mainDisplayFrame">334</A>,
<A HREF="pat5kfs-1.htm#structure" tppabs="http://ultra/development/DesignPatterns/lowres/pat5kfs.htm#structure" TARGET="_mainDisplayFrame"><I>334c</I></A>
</DD>
<DT>encapsulation
<A HREF="chap1fs-1.htm#encapsulation" tppabs="http://ultra/development/DesignPatterns/lowres/chap1fs.htm#encapsulation" TARGET="_mainDisplayFrame"><B>11</B></A>,
<A HREF="chapAfs-1.htm#encapsulation" tppabs="http://ultra/development/DesignPatterns/lowres/chapAfs.htm#encapsulation" TARGET="_mainDisplayFrame"><B>360</B></A>
</DT>
<DD>breaking with inheritance
<A HREF="chap1fs-1.htm#inherit-bk-encap" tppabs="http://ultra/development/DesignPatterns/lowres/chap1fs.htm#inherit-bk-encap" TARGET="_mainDisplayFrame">19</A>
</DD>
<DD>breaking with V<FONT SIZE=-1>ISITOR</FONT>
<A HREF="pat5kfs-1.htm#breakencap" tppabs="http://ultra/development/DesignPatterns/lowres/pat5kfs.htm#breakencap" TARGET="_mainDisplayFrame">337</A>
</DD>
<DD>preserving boundaries of
<A HREF="pat5ffs-1.htm#presrvencap" tppabs="http://ultra/development/DesignPatterns/lowres/pat5ffs.htm#presrvencap" TARGET="_mainDisplayFrame">286</A>
</DD>
<DD>of algorithms, <I>see</I> <A HREF="index-S-1.htm#Strategy" tppabs="http://ultra/development/DesignPatterns/lowres/index-S.htm#Strategy" target="TEXT">S<FONT SIZE=-1>TRATEGY</FONT></A></DD>
<DD>of complex update semantics,
<A HREF="pat5gfs-1.htm#encap-complex" tppabs="http://ultra/development/DesignPatterns/lowres/pat5gfs.htm#encap-complex" TARGET="_mainDisplayFrame">299</A>,
<I>see also</I> <a href="index-C-1.htm#ChangeManager" tppabs="http://ultra/development/DesignPatterns/lowres/index-C.htm#ChangeManager" target="TEXT">ChangeManager</a>
</DD>
<DD>of concept that varies
<A HREF="chap1fs-1.htm#encap-var-concept" tppabs="http://ultra/development/DesignPatterns/lowres/chap1fs.htm#encap-var-concept" TARGET="_mainDisplayFrame">29</A>,
<A HREF="chap2fs-1.htm#encap-var-concept" tppabs="http://ultra/development/DesignPatterns/lowres/chap2fs.htm#encap-var-concept" TARGET="_mainDisplayFrame">54</A>
</DD>
<DD>of document analysis and traversal
<A HREF="chap2fs-1.htm#section_encapsulating_the_analysis" tppabs="http://ultra/development/DesignPatterns/lowres/chap2fs.htm#section_encapsulating_the_analysis" TARGET="_mainDisplayFrame">71</A>
</DD>
<DD>of protocol between objects, <I>see</I> <a href="javascript:if(confirm('http://ultra/development/DesignPatterns/lowres/i \n\nThis file was not retrieved by Teleport Pro, because it was unavailable, or its retrieval was aborted, or the project was stopped too soon. \n\nDo you want to open it from the server?'))window.location='http://ultra/development/DesignPatterns/lowres/i' tppabs="http://ultra/development/DesignPatterns/lowres/i"ndex-M.htm#M<FONT SIZE=-1>EDIATOR</FONT>" target="TEXT">M<FONT SIZE=-1>EDIATOR</FONT></a></DD>
<DD>of how objects are created, <I>see</I> <a href="javascript:if(confirm('http://ultra/development/DesignPatterns/lowres/i \n\nThis file was not retrieved by Teleport Pro, because it was unavailable, or its retrieval was aborted, or the project was stopped too soon. \n\nDo you want to open it from the server?'))window.location='http://ultra/development/DesignPatterns/lowres/i' tppabs="http://ultra/development/DesignPatterns/lowres/i"ndex-A.htm#A<FONT SIZE=-1>BSTRACT</FONT>" target="TEXT">A<FONT SIZE=-1>BSTRACT</FONT> F<FONT SIZE=-1>ACTORY</FONT>,</a> <a href="index-B-1.htm#Builder" tppabs="http://ultra/development/DesignPatterns/lowres/index-B.htm#Builder" target="TEXT">B<FONT SIZE=-1>UILDER</FONT>,</a> <a href="javascript:if(confirm('http://ultra/development/DesignPatterns/lowres/i \n\nThis file was not retrieved by Teleport Pro, because it was unavailable, or its retrieval was aborted, or the project was stopped too soon. \n\nDo you want to open it from the server?'))window.location='http://ultra/development/DesignPatterns/lowres/i' tppabs="http://ultra/development/DesignPatterns/lowres/i"ndex-P.htm#P<FONT SIZE=-1>ROTOTYPE</FONT>" target="TEXT">P<FONT SIZE=-1>ROTOTYPE</FONT></a>
</DD>
<DD>of traversal, <I>see</I> <A HREF="javascript:if(confirm('http://ultra/development/DesignPatterns/lowres/i \n\nThis file was not retrieved by Teleport Pro, because it was unavailable, or its retrieval was aborted, or the project was stopped too soon. \n\nDo you want to open it from the server?'))window.location='http://ultra/development/DesignPatterns/lowres/i' tppabs="http://ultra/development/DesignPatterns/lowres/i"ndex-I.htm#I<FONT SIZE=-1>TERATOR</FONT>" target="TEXT">I<FONT SIZE=-1>TERATOR</FONT></A></DD>
<DD>of requests
<A HREF="chap2fs-1.htm#encap-request" tppabs="http://ultra/development/DesignPatterns/lowres/chap2fs.htm#encap-request" TARGET="_mainDisplayFrame">59</A>,
<I>see also</I> <A HREF="javascript:if(confirm('http://ultra/development/DesignPatterns/lowres/i \n\nThis file was not retrieved by Teleport Pro, because it was unavailable, or its retrieval was aborted, or the project was stopped too soon. \n\nDo you want to open it from the server?'))window.location='http://ultra/development/DesignPatterns/lowres/i' tppabs="http://ultra/development/DesignPatterns/lowres/i"ndex-C.htm#C<FONT SIZE=-1>OMMAND</FONT>" target="TEXT">C<FONT SIZE=-1>OMMAND</FONT></A>
</DD>
<DD>of state-specific behavior, <I>see</I> <A HREF="javascript:if(confirm('http://ultra/development/DesignPatterns/lowres/i \n\nThis file was not retrieved by Teleport Pro, because it was unavailable, or its retrieval was aborted, or the project was stopped too soon. \n\nDo you want to open it from the server?'))window.location='http://ultra/development/DesignPatterns/lowres/i' tppabs="http://ultra/development/DesignPatterns/lowres/i"ndex-S.htm#S<FONT SIZE=-1>TATE</FONT>" target="TEXT">S<FONT SIZE=-1>TATE</FONT></A></DD>
<DT>EnchantedMazeFactory
<A HREF="pat3afs-1.htm#enchnt-maze-fac" tppabs="http://ultra/development/DesignPatterns/lowres/pat3afs.htm#enchnt-maze-fac" TARGET="_mainDisplayFrame">93</A>
</DT>
<DT><a name="envelope-letter idiom"></a>envelope-letter idiom
<A HREF="pat5hfs-1.htm#envelope-letter" tppabs="http://ultra/development/DesignPatterns/lowres/pat5hfs.htm#envelope-letter" TARGET="_mainDisplayFrame">313</A>
</DT>
<DT>Equipment
<A HREF="pat4cfs-1.htm#samplecode" tppabs="http://ultra/development/DesignPatterns/lowres/pat4cfs.htm#samplecode" TARGET="_mainDisplayFrame">170</A>,
<A HREF="pat5kfs-1.htm#equipment" tppabs="http://ultra/development/DesignPatterns/lowres/pat5kfs.htm#equipment" TARGET="_mainDisplayFrame">340</A>
</DT>
<DT>EquipmentVisitor<A HREF="pat5kfs-1.htm#equip-visit" tppabs="http://ultra/development/DesignPatterns/lowres/pat5kfs.htm#equip-visit" TARGET="_mainDisplayFrame">341</A>
</DT>
<DT>error accumulation</DT>
<DD>avoiding during undo/redo
<A HREF="pat5bfs-1.htm#avoid-error" tppabs="http://ultra/development/DesignPatterns/lowres/pat5bfs.htm#avoid-error" TARGET="_mainDisplayFrame">239</A>
</DD>
<a name="ET++"></a>
<DT>ET++</DT>
<DD>use of A<FONT SIZE=-1>BSTRACT</FONT> F<FONT SIZE=-1>ACTORY</FONT>
<A HREF="pat3afs-1.htm#use-ab-fac" tppabs="http://ultra/development/DesignPatterns/lowres/pat3afs.htm#use-ab-fac" TARGET="_mainDisplayFrame">95</A>
</DD>
<DD>use of A<FONT SIZE=-1>DAPTER</FONT>
<A HREF="pat3dfs-1.htm#et-use-adapter" tppabs="http://ultra/development/DesignPatterns/lowres/pat3dfs.htm#et-use-adapter" TARGET="_mainDisplayFrame">126</A>,
<A HREF="pat4afs-1.htm#et-use-adapter" tppabs="http://ultra/development/DesignPatterns/lowres/pat4afs.htm#et-use-adapter" TARGET="_mainDisplayFrame">148</A>
</DD>
<DD>use of B<FONT SIZE=-1>RIDGE</FONT>
<A HREF="pat4bfs-1.htm#et-use-bridge" tppabs="http://ultra/development/DesignPatterns/lowres/pat4bfs.htm#et-use-bridge" TARGET="_mainDisplayFrame">160</A>
</DD>
<DD>use of B<FONT SIZE=-1>UILDER</FONT><A HREF="pat3bfs-1.htm#et-use-builder" tppabs="http://ultra/development/DesignPatterns/lowres/pat3bfs.htm#et-use-builder" TARGET="_mainDisplayFrame">105</A>
</DD>
<DD>use of C<FONT SIZE=-1>HAIN OF</FONT> R<FONT SIZE=-1>ESPONSIBILITY</FONT>
<A HREF="pat5afs-1.htm#knownuses" tppabs="http://ultra/development/DesignPatterns/lowres/pat5afs.htm#knownuses" TARGET="_mainDisplayFrame">232</A>
</DD>
<DD>use of C<FONT SIZE=-1>OMPOSITE</FONT><A HREF="pat4cfs-1.htm#knownuses" tppabs="http://ultra/development/DesignPatterns/lowres/pat4cfs.htm#knownuses" TARGET="_mainDisplayFrame">172</A>
</DD>
<DD>use of C<FONT SIZE=-1>OMMAND</FONT>
<A HREF="pat5bfs-1.htm#knownuses" tppabs="http://ultra/development/DesignPatterns/lowres/pat5bfs.htm#knownuses" TARGET="_mainDisplayFrame">242</A>
</DD>
<DD>use of D<FONT SIZE=-1>ECORATOR</FONT>
<A HREF="pat4dfs-1.htm#knownuses" tppabs="http://ultra/development/DesignPatterns/lowres/pat4dfs.htm#knownuses" TARGET="_mainDisplayFrame">182</A>,
<A HREF="pat4dfs-1.htm#et-use-decor" tppabs="http://ultra/development/DesignPatterns/lowres/pat4dfs.htm#et-use-decor" TARGET="_mainDisplayFrame">183</A>
</DD>
<DD>use of F<FONT SIZE=-1>ACADE</FONT><A HREF="pat4efs-1.htm#et-use-facade" tppabs="http://ultra/development/DesignPatterns/lowres/pat4efs.htm#et-use-facade" TARGET="_mainDisplayFrame">192</A>
</DD>
<DD>use of F<FONT SIZE=-1>ACTORY</FONT> M<FONT SIZE=-1>ETHOD</FONT>
<A HREF="pat3cfs-1.htm#knownuses" tppabs="http://ultra/development/DesignPatterns/lowres/pat3cfs.htm#knownuses" TARGET="_mainDisplayFrame">115</A>
</DD>
<DD>use of F<FONT SIZE=-1>LYWEIGHT</FONT><A HREF="pat4ffs-1.htm#et-use-flywt" tppabs="http://ultra/development/DesignPatterns/lowres/pat4ffs.htm#et-use-flywt" TARGET="_mainDisplayFrame">206</A>
</DD>
<DD>use of I<FONT SIZE=-1>TERATOR</FONT>
<A HREF="pat5dfs-1.htm#et-use-iter" tppabs="http://ultra/development/DesignPatterns/lowres/pat5dfs.htm#et-use-iter" TARGET="_mainDisplayFrame">261</A>
</DD>
<DD>use of M<FONT SIZE=-1>EDIATOR</FONT>
<A HREF="pat5efs-1.htm#knownuses" tppabs="http://ultra/development/DesignPatterns/lowres/pat5efs.htm#knownuses" TARGET="_mainDisplayFrame">281</A>
</DD>
<DD>use of O<FONT SIZE=-1>BSERVER</FONT>
<A HREF="pat5gfs-1.htm#knownuses" tppabs="http://ultra/development/DesignPatterns/lowres/pat5gfs.htm#knownuses" TARGET="_mainDisplayFrame">303</A>
</DD>
<DD>use of P<FONT SIZE=-1>ROTOTYPE</FONT>
<A HREF="pat3dfs-1.htm#et-use-proto" tppabs="http://ultra/development/DesignPatterns/lowres/pat3dfs.htm#et-use-proto" TARGET="_mainDisplayFrame">120</A>,
<A HREF="pat3dfs-1.htm#et-use-adapter" tppabs="http://ultra/development/DesignPatterns/lowres/pat3dfs.htm#et-use-adapter" TARGET="_mainDisplayFrame">125</A>
</DD>
<DD>use of P<FONT SIZE=-1>ROXY</FONT>
<A HREF="pat4gfs-1.htm#knownuses" tppabs="http://ultra/development/DesignPatterns/lowres/pat4gfs.htm#knownuses" TARGET="_mainDisplayFrame">216</A>
</DD>
<DD>use of S<FONT SIZE=-1>TRATEGY</FONT><A HREF="pat5ifs-1.htm#knownuses" tppabs="http://ultra/development/DesignPatterns/lowres/pat5ifs.htm#knownuses" TARGET="_mainDisplayFrame">322-323</A>
</DD>
<DT>ET++SwapsManager</DT>
<DD>use of S<FONT SIZE=-1>TRATEGY</FONT><A HREF="pat5ifs-1.htm#et-swapman" tppabs="http://ultra/development/DesignPatterns/lowres/pat5ifs.htm#et-swapman" TARGET="_mainDisplayFrame">323</A>
</DD>
<DT>ETgdb
<A HREF="pat3dfs-1.htm#etgdb" tppabs="http://ultra/development/DesignPatterns/lowres/pat3dfs.htm#etgdb" TARGET="_mainDisplayFrame">125</A>
</DT>
<DT>expansion phase of lifecycle
<A HREF="chap6fs-1.htm#exp-phase1" tppabs="http://ultra/development/DesignPatterns/lowres/chap6fs.htm#exp-phase1" TARGET="_mainDisplayFrame">353</A>,
<A HREF="chap6fs-1.htm#exp-phase2" tppabs="http://ultra/development/DesignPatterns/lowres/chap6fs.htm#exp-phase2" TARGET="_mainDisplayFrame">354</A>
</DT>
<DT>explosion, <I>see</I> <A HREF="index-C-1.htm#class hierarchy" tppabs="http://ultra/development/DesignPatterns/lowres/index-C.htm#class hierarchy" target="TEXT">class hierarchy, explosion</A></DT>
<DT>ExtendedHandler
<A HREF="pat5afs-1.htm#extnd-hndlr" tppabs="http://ultra/development/DesignPatterns/lowres/pat5afs.htm#extnd-hndlr" TARGET="_mainDisplayFrame">228</A>
</DT>
<DT>external iterator, <I>see</I> <A HREF="index-I-1.htm#iterator" tppabs="http://ultra/development/DesignPatterns/lowres/index-I.htm#iterator" target="TEXT">iterator, external</A></DT>
<DT>extrinsic state, <I>see</I> <A HREF="index-S-1.htm#state" tppabs="http://ultra/development/DesignPatterns/lowres/index-S.htm#state" target="TEXT">state, extrinsic</A></DT>
</DL>
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