1995-04-20 21:36:15 +00:00
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.TH curs_terminfo 3X ""
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.ds n 5
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.SH NAME
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\fBcurs_terminfo\fR: \fBsetupterm\fR, \fBsetterm\fR,
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\fBset_curterm\fR, \fBdel_curterm\fR, \fBrestartterm\fR, \fBtparm\fR,
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\fBtputs\fR, \fBputp\fR, \fBvidputs\fR, \fBvidattr\fR, \fBmvcur\fR,
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\fBtigetflag\fR, \fBtigetnum\fR, \fBtigetstr\fR - \fBncurses\fR
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interfaces to terminfo database
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.SH SYNOPSIS
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\fB#include <ncurses.h>\fR
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.br
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\fB#include <term.h>\fR
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\fBint setupterm(char *term, int fildes, int *errret);\fR
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.br
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\fBint setterm(char *term);\fR
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.br
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\fBint set_curterm(TERMINAL *nterm);\fR
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.br
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\fBint del_curterm(TERMINAL *oterm);\fR
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.br
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\fBint restartterm(char *term, int fildes, int *errret);\fR
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.br
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1996-02-08 22:25:44 +00:00
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\fBchar *tparm(char *str, long int p1, long int p2,
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long int p3, long int p4, long int p5, long int p6,
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long int p7, long int p8, long int p9);\fR
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.br
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1995-04-20 21:36:15 +00:00
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\fBint tputs(char *str, int affcnt, int (*putc)(char));\fR
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.br
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\fBint putp(char *str);\fR
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.br
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\fBint vidputs(chtype attrs, int (*putc)(char));\fR
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.br
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\fBint vidattr(chtype attrs);\fR
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.br
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\fBint mvcur(int oldrow, int oldcol, int newrow, int newcol);\fR
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.br
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\fBint tigetflag(char *capname);\fR
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.br
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\fBint tigetnum(char *capname);\fR
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.br
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\fBint tigetstr(char *capname);\fR
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.br
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.SH DESCRIPTION
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These low-level routines must be called by programs that have to deal
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directly with the \fBterminfo\fR database to handle certain terminal
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capabilities, such as programming function keys. For all other
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functionality, \fBncurses\fR routines are more suitable and their use is
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recommended.
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Initially, \fBsetupterm\fR should be called. Note that
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\fBsetupterm\fR is automatically called by \fBinitscr\fR and
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\fBnewterm\fR. This defines the set of terminal-dependent variables
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[listed in \fBterminfo\fR(\*n)]. The \fBterminfo\fR variables
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\fBlines\fR and \fBcolumns\fR are initialized by \fBsetupterm\fR as
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follows: If \fBuse_env(FALSE)\fR has been called, values for
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\fBlines\fR and \fBcolumns\fR specified in \fBterminfo\fR are used.
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Otherwise, if the environment variables \fBLINES\fR and \fBCOLUMNS\fR
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exist, their values are used. If these environment variables do not
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exist and the program is running in a window, the current window size
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is used. Otherwise, if the environment variables do not exist, the
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values for \fBlines\fR and \fBcolumns\fR specified in the
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\fBterminfo\fR database are used.
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The header files \fBncurses.h\fR and \fBnterm.h\fR should be included (in this
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order) to get the definitions for these strings, numbers, and flags (these
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correspond to the SVr4 headers \fBcurses.h\fR and \fBterm.h\fR). Parameterized
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strings should be passed through \fBtparm\fR to instantiate them. All
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\fBterminfo\fR strings [including the output of \fBtparm\fR] should be printed
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with \fBtputs\fR or \fBputp\fR. Call the \fBreset_shell_mode\fR to restore the
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tty modes before exiting [see \fBcurs_kernel\fR(3X)]. Programs which use
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cursor addressing should output \fBenter_ca_mode\fR upon startup and should
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output \fBexit_ca_mode\fR before exiting. Programs desiring shell escapes
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should call
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\fBreset_shell_mode\fR and output \fBexit_ca_mode\fR before the shell
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is called and should output \fBenter_ca_mode\fR and call
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\fBreset_prog_mode\fR after returning from the shell.
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The \fBsetupterm\fR routine reads in the \fBterminfo\fR database,
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initializing the \fBterminfo\fR structures, but does not set up the
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output virtualization structures used by \fBncurses\fR. The terminal
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type is the character string \fIterm\fR; if \fIterm\fR is null, the
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environment variable \fBTERM\fR is used. All output is to file
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descriptor \fBfildes\fR which is initialized for output. If
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\fIerrret\fR is not null, then \fBsetupterm\fR returns \fBOK\fR or
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\fBERR\fR and stores a status value in the integer pointed to by
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\fIerrret\fR. A status of \fB1\fR in \fIerrret\fR is normal, \fB0\fR
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means that the terminal could not be found, and \fB-1\fR means that
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the \fBterminfo\fR database could not be found. If \fIerrret\fR is
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null, \fBsetupterm\fR prints an error message upon finding an error
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and exits. Thus, the simplest call is:
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\fBsetupterm((char *)0, 1, (int *)0);\fR,
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which uses all the defaults and sends the output to \fBstdout\fR.
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The \fBsetterm\fR routine is being replaced by \fBsetupterm\fR. The call:
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\fBsetupterm(\fR\fIterm\fR\fB, 1, (int *)0)\fR
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provides the same functionality as \fBsetterm(\fR\fIterm\fR\fB)\fR.
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The \fBsetterm\fR routine is included here for BSD compatibility, and
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is not recommended for new programs.
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The \fBset_curterm\fR routine sets the variable \fBcur_term\fR to
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\fInterm\fR, and makes all of the \fBterminfo\fR boolean, numeric, and
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string variables use the values from \fInterm\fR.
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The \fBdel_curterm\fR routine frees the space pointed to by
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\fIoterm\fR and makes it available for further use. If \fIoterm\fR is
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the same as \fBcur_term\fR, references to any of the \fBterminfo\fR
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boolean, numeric, and string variables thereafter may refer to invalid
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memory locations until another \fBsetupterm\fR has been called.
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The \fBrestartterm\fR routine is similar to \fBsetupterm\fR and
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\fBinitscr\fR, except that it is called after restoring memory to a
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previous state. It assumes that the windows and the input and output
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options are the same as when memory was saved, but the terminal type
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and baud rate may be different.
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The \fBtparm\fR routine instantiates the string \fIstr\fR with
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parameters \fIpi\fR. A pointer is returned to the result of \fIstr\fR
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with the parameters applied.
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The \fBtputs\fR routine applies padding information to the string
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\fIstr\fR and outputs it. The \fIstr\fR must be a terminfo string
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variable or the return value from \fBtparm\fR, \fBtgetstr\fR, or
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\fBtgoto\fR. \fIaffcnt\fR is the number of lines affected, or 1 if
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not applicable. \fIputc\fR is a \fBputchar\fR-like routine to which
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the characters are passed, one at a time.
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The \fBputp\fR routine calls \fBtputs(\fR\fIstr\fR\fB, 1, putchar)\fR.
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Note that the output of \fBputp\fR always goes to \fBstdout\fR, not to
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the \fIfildes\fR specified in \fBsetupterm\fR.
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The \fBvidputs\fR routine displays the string on the terminal in the
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video attribute mode \fIattrs\fR, which is any combination of the
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attributes listed in \fBncurses\fR(3X). The characters are passed to
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the \fBputchar\fR-like routine \fIputc\fR.
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The \fBvidattr\fR routine is like the \fBvidputs\fR routine, except
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that it outputs through \fBputchar\fR.
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The \fBmvcur\fR routine provides low-level cursor motion. It takes
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effect immediately (rather than at the next refresh).
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The \fBtigetflag\fR, \fBtigetnum\fR and \fBtigetstr\fR routines return
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the value of the capability corresponding to the \fBterminfo\fR
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\fIcapname\fR passed to them, such as \fBxenl\fR.
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With the \fBtigetflag\fR routine, the value \fB-1\fR is returned if
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\fIcapname\fR is not a boolean capability.
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With the \fBtigetnum\fR routine, the value \fB-2\fR is returned if
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\fIcapname\fR is not a numeric capability.
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With the \fBtigetstr\fR routine, the value \fB(char *)-1\fR is
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returned if \fIcapname\fR is not a string capability.
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The \fIcapname\fR for each capability is given in the table column entitled
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\fIcapname\fR code in the capabilities section of \fBterminfo\fR(\*n).
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\fBchar *boolnames\fR, \fB*boolcodes\fR, \fB*boolfnames\fR
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\fBchar *numnames\fR, \fB*numcodes\fR, \fB*numfnames\fR
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\fBchar *strnames\fR, \fB*strcodes\fR, \fB*strfnames\fR
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These null-terminated arrays contain the \fIcapnames\fR, the
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\fBtermcap\fR codes, and the full C names, for each of the
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\fBterminfo\fR variables.
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.SH RETURN VALUE
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All routines return the integer \fBERR\fR upon failure and an integer value
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other than \fBERR\fR upon successful completion, unless otherwise noted in the
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preceding routine descriptions.
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Routines that return pointers always return \fBNULL\fR on error.
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.SH NOTES
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The \fBsetupterm\fR routine should be used in place of \fBsetterm\fR.
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Note that \fBvidattr\fR and \fBvidputs\fR may be macros.
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.SH SEE ALSO
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\fBncurses\fR(3X), \fBcurs_initscr\fR(3X), \fBcurs_kernel\fR(3X), \fBcurs_termcap\fR(3X),
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\fBputc\fR(3S), \fBterminfo\fR(\*n)
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.\"#
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.\"# The following sets edit modes for GNU EMACS
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.\"# Local Variables:
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.\"# mode:nroff
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.\"# fill-column:79
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.\"# End:
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