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Text File  |  1997-04-01  |  3KB  |  79 lines
  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         = "1.2b",
  13. %%%     date            = "1996/10/28",
  14. %%%     time            = "14:54:44 EST",
  15. %%%     author          = "American Mathematical Society",
  16. %%%     copyright       = "Copyright (C) 1996 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        = "05092 135 536 5380",
  33. %%%     email           = "tech-support@ams.org (Internet)",
  34. %%%     codetable       = "ISO/ASCII",
  35. %%%     keywords        = "latex, amslatex, ams-latex",
  36. %%%     supported       = "yes",
  37. %%%     abstract        = "This is part of the AMS-\LaTeX{} distribution.
  38. %%%                        It contains some rarely used user-level commands",
  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}[1996/10/28 v1.2b]
  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{\expandafter\newbox\csname\expandafter
  67.   \@gobble\string#1@box\endcsname
  68.  \expandafter\setbox\csname\expandafter\@gobble
  69.    \string#1@box\endcsname\hbox{$\m@th#2$}%
  70.   \newcommand{#1}{%
  71.     \expandafter\copy\csname\expandafter\@gobble\string#1@box
  72.     \endcsname{}}%
  73. }
  74. \def~{\nobreakspace}
  75. \DeclareRobustCommand{\nobreakspace}{\unskip\nobreak\ \ignorespaces}
  76. \endinput
  77. %%
  78. %% End of file `amsxtra.sty'.
  79.