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1 | %% | |
2 | %% This is file `amsxtra.sty', | |
3 | %% generated with the docstrip utility. | |
4 | %% | |
5 | %% The original source files were: | |
6 | %% | |
7 | %% amsxtra.dtx | |
8 | %% | |
9 | %%% ==================================================================== | |
10 | %%% @LaTeX-file{ | |
11 | %%% filename = "amsxtra.dtx", | |
12 | %%% version = "1.2c", | |
13 | %%% date = "1999/11/15", | |
14 | %%% time = "14:15:41 EST", | |
15 | %%% author = "American Mathematical Society", | |
16 | %%% copyright = "Copyright 1995, 1999 American Mathematical Society, | |
17 | %%% all rights reserved. Copying of this file is | |
18 | %%% authorized only if either: | |
19 | %%% (1) you make absolutely no changes to your copy, | |
20 | %%% including name; OR | |
21 | %%% (2) if you do make changes, you first rename it | |
22 | %%% to some other name.", | |
23 | %%% address = "American Mathematical Society, | |
24 | %%% Technical Support, | |
25 | %%% Electronic Products and Services, | |
26 | %%% P. O. Box 6248, | |
27 | %%% Providence, RI 02940, | |
28 | %%% USA", | |
29 | %%% telephone = "401-455-4080 or (in the USA and Canada) | |
30 | %%% 800-321-4AMS (321-4267)", | |
31 | %%% FAX = "401-331-3842", | |
32 | %%% checksum = "41382 136 533 5124", | |
33 | %%% email = "tech-support@ams.org (Internet)", | |
34 | %%% codetable = "ISO/ASCII", | |
35 | %%% keywords = "latex, accentedsymbol, fracwithdelims, sphat", | |
36 | %%% supported = "yes", | |
37 | %%% abstract = "This package contains some seldom-used commands | |
38 | %%% ported from AMS-TeX in 1989.", | |
39 | %%% docstring = "The checksum field above contains a CRC-16 | |
40 | %%% checksum as the first value, followed by the | |
41 | %%% equivalent of the standard UNIX wc (word | |
42 | %%% count) utility output of lines, words, and | |
43 | %%% characters. This is produced by Robert | |
44 | %%% Solovay's checksum utility.", | |
45 | %%% } | |
46 | %%% ==================================================================== | |
47 | \ProvidesPackage{amsxtra}[1999/11/15 v1.2c] | |
48 | \@ifpackageloaded{amstex}{}{% | |
49 | \RequirePackage{amsmath}[1996/10/01 v1.2]} | |
50 | \def\sphat{^{\mathchoice{}{}% | |
51 | {\,\,\smash[b]{\hbox{\lower4\ex@\hbox{$\m@th\widehat{\null}$}}}}% | |
52 | {\,\smash[b]{\hbox{\lower3\ex@\hbox{$\m@th\hat{\null}$}}}}}} | |
53 | \def\spcheck{^\vee} | |
54 | \def\sptilde{^\sim} | |
55 | \def\spdot{^{\hbox{\raise\ex@\hbox{\normalfont .}}}} | |
56 | \def\spddot{^{\hbox{\raise\ex@\hbox{\normalfont ..}}}} | |
57 | \def\spdddot{^{\hbox{\raise\ex@\hbox{\normalfont...}}}} | |
58 | \def\spbreve{^{\!\smash[b]{\hbox{\lower4\ex@\hbox{\u{}}}}}} | |
59 | \@ifpackageloaded{amstex}{% | |
60 | \def\fracwithdelims#1#2{\new@ifnextchar[{\fracwithdelims@#1#2}% | |
61 | {\fracwithdelims@#1#2[\@empty]}} | |
62 | \def\fracwithdelims@#1#2[#3]#4#5{\relax | |
63 | \ifx\@empty#3{#4\overwithdelims#1#2#5}\else | |
64 | {#4\abovewithdelims#1#2#3\relax#5}\fi} | |
65 | }{} | |
66 | \def\accentedsymbol#1#2{% | |
67 | \expandafter\newbox | |
68 | \csname\expandafter\@gobble\string#1@box\endcsname | |
69 | \expandafter\setbox | |
70 | \csname\expandafter\@gobble\string#1@box\endcsname | |
71 | \hbox{$\m@th#2$}% | |
72 | \newcommand{#1}{% | |
73 | \expandafter\copy | |
74 | \csname\expandafter\@gobble\string#1@box\endcsname{}}% | |
75 | } | |
76 | \def~{\nobreakspace} | |
77 | \DeclareRobustCommand{\nobreakspace}{\unskip\nobreak\ \ignorespaces} | |
78 | \endinput | |
79 | %% | |
80 | %% End of file `amsxtra.sty'. |