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393 lines
8.2 KiB
C
393 lines
8.2 KiB
C
/* $Id: mdoc.h,v 1.122 2011/03/22 14:05:45 kristaps Exp $ */
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/*
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* Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef MDOC_H
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#define MDOC_H
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enum mdoct {
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MDOC_Ap = 0,
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MDOC_Dd,
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MDOC_Dt,
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MDOC_Os,
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MDOC_Sh,
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MDOC_Ss,
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MDOC_Pp,
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MDOC_D1,
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MDOC_Dl,
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MDOC_Bd,
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MDOC_Ed,
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MDOC_Bl,
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MDOC_El,
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MDOC_It,
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MDOC_Ad,
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MDOC_An,
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MDOC_Ar,
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MDOC_Cd,
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MDOC_Cm,
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MDOC_Dv,
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MDOC_Er,
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MDOC_Ev,
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MDOC_Ex,
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MDOC_Fa,
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MDOC_Fd,
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MDOC_Fl,
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MDOC_Fn,
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MDOC_Ft,
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MDOC_Ic,
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MDOC_In,
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MDOC_Li,
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MDOC_Nd,
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MDOC_Nm,
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MDOC_Op,
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MDOC_Ot,
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MDOC_Pa,
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MDOC_Rv,
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MDOC_St,
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MDOC_Va,
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MDOC_Vt,
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MDOC_Xr,
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MDOC__A,
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MDOC__B,
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MDOC__D,
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MDOC__I,
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MDOC__J,
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MDOC__N,
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MDOC__O,
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MDOC__P,
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MDOC__R,
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MDOC__T,
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MDOC__V,
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MDOC_Ac,
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MDOC_Ao,
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MDOC_Aq,
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MDOC_At,
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MDOC_Bc,
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MDOC_Bf,
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MDOC_Bo,
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MDOC_Bq,
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MDOC_Bsx,
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MDOC_Bx,
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MDOC_Db,
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MDOC_Dc,
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MDOC_Do,
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MDOC_Dq,
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MDOC_Ec,
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MDOC_Ef,
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MDOC_Em,
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MDOC_Eo,
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MDOC_Fx,
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MDOC_Ms,
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MDOC_No,
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MDOC_Ns,
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MDOC_Nx,
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MDOC_Ox,
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MDOC_Pc,
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MDOC_Pf,
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MDOC_Po,
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MDOC_Pq,
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MDOC_Qc,
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MDOC_Ql,
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MDOC_Qo,
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MDOC_Qq,
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MDOC_Re,
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MDOC_Rs,
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MDOC_Sc,
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MDOC_So,
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MDOC_Sq,
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MDOC_Sm,
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MDOC_Sx,
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MDOC_Sy,
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MDOC_Tn,
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MDOC_Ux,
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MDOC_Xc,
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MDOC_Xo,
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MDOC_Fo,
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MDOC_Fc,
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MDOC_Oo,
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MDOC_Oc,
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MDOC_Bk,
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MDOC_Ek,
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MDOC_Bt,
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MDOC_Hf,
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MDOC_Fr,
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MDOC_Ud,
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MDOC_Lb,
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MDOC_Lp,
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MDOC_Lk,
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MDOC_Mt,
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MDOC_Brq,
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MDOC_Bro,
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MDOC_Brc,
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MDOC__C,
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MDOC_Es,
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MDOC_En,
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MDOC_Dx,
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MDOC__Q,
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MDOC_br,
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MDOC_sp,
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MDOC__U,
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MDOC_Ta,
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MDOC_MAX
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};
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enum mdocargt {
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MDOC_Split, /* -split */
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MDOC_Nosplit, /* -nospli */
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MDOC_Ragged, /* -ragged */
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MDOC_Unfilled, /* -unfilled */
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MDOC_Literal, /* -literal */
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MDOC_File, /* -file */
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MDOC_Offset, /* -offset */
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MDOC_Bullet, /* -bullet */
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MDOC_Dash, /* -dash */
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MDOC_Hyphen, /* -hyphen */
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MDOC_Item, /* -item */
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MDOC_Enum, /* -enum */
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MDOC_Tag, /* -tag */
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MDOC_Diag, /* -diag */
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MDOC_Hang, /* -hang */
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MDOC_Ohang, /* -ohang */
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MDOC_Inset, /* -inset */
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MDOC_Column, /* -column */
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MDOC_Width, /* -width */
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MDOC_Compact, /* -compact */
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MDOC_Std, /* -std */
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MDOC_Filled, /* -filled */
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MDOC_Words, /* -words */
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MDOC_Emphasis, /* -emphasis */
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MDOC_Symbolic, /* -symbolic */
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MDOC_Nested, /* -nested */
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MDOC_Centred, /* -centered */
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MDOC_ARG_MAX
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};
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enum mdoc_type {
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MDOC_TEXT,
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MDOC_ELEM,
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MDOC_HEAD,
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MDOC_TAIL,
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MDOC_BODY,
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MDOC_BLOCK,
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MDOC_TBL,
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MDOC_EQN,
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MDOC_ROOT
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};
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/*
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* Section (named/unnamed) of `Sh'. Note that these appear in the
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* conventional order imposed by mdoc.7. In the case of SEC_NONE, no
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* section has been invoked (this shouldn't happen). SEC_CUSTOM refers
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* to other sections.
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*/
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enum mdoc_sec {
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SEC_NONE = 0,
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SEC_NAME, /* NAME */
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SEC_LIBRARY, /* LIBRARY */
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SEC_SYNOPSIS, /* SYNOPSIS */
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SEC_DESCRIPTION, /* DESCRIPTION */
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SEC_IMPLEMENTATION, /* IMPLEMENTATION NOTES */
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SEC_RETURN_VALUES, /* RETURN VALUES */
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SEC_ENVIRONMENT, /* ENVIRONMENT */
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SEC_FILES, /* FILES */
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SEC_EXIT_STATUS, /* EXIT STATUS */
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SEC_EXAMPLES, /* EXAMPLES */
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SEC_DIAGNOSTICS, /* DIAGNOSTICS */
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SEC_COMPATIBILITY, /* COMPATIBILITY */
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SEC_ERRORS, /* ERRORS */
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SEC_SEE_ALSO, /* SEE ALSO */
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SEC_STANDARDS, /* STANDARDS */
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SEC_HISTORY, /* HISTORY */
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SEC_AUTHORS, /* AUTHORS */
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SEC_CAVEATS, /* CAVEATS */
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SEC_BUGS, /* BUGS */
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SEC_SECURITY, /* SECURITY */
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SEC_CUSTOM,
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SEC__MAX
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};
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struct mdoc_meta {
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char *msec; /* `Dt' section (1, 3p, etc.) */
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char *vol; /* `Dt' volume (implied) */
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char *arch; /* `Dt' arch (i386, etc.) */
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char *date; /* `Dd' normalised date */
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char *title; /* `Dt' title (FOO, etc.) */
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char *os; /* `Os' system (OpenBSD, etc.) */
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char *name; /* leading `Nm' name */
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};
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/*
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* An argument to a macro (multiple values = `-column xxx yyy').
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*/
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struct mdoc_argv {
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enum mdocargt arg; /* type of argument */
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int line;
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int pos;
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size_t sz; /* elements in "value" */
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char **value; /* argument strings */
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};
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/*
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* Reference-counted macro arguments. These are refcounted because
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* blocks have multiple instances of the same arguments spread across
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* the HEAD, BODY, TAIL, and BLOCK node types.
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*/
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struct mdoc_arg {
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size_t argc;
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struct mdoc_argv *argv;
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unsigned int refcnt;
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};
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/*
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* Indicates that a BODY's formatting has ended, but the scope is still
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* open. Used for syntax-broken blocks.
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*/
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enum mdoc_endbody {
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ENDBODY_NOT = 0,
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ENDBODY_SPACE, /* is broken: append a space */
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ENDBODY_NOSPACE /* is broken: don't append a space */
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};
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enum mdoc_list {
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LIST__NONE = 0,
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LIST_bullet, /* -bullet */
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LIST_column, /* -column */
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LIST_dash, /* -dash */
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LIST_diag, /* -diag */
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LIST_enum, /* -enum */
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LIST_hang, /* -hang */
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LIST_hyphen, /* -hyphen */
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LIST_inset, /* -inset */
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LIST_item, /* -item */
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LIST_ohang, /* -ohang */
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LIST_tag, /* -tag */
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LIST_MAX
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};
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enum mdoc_disp {
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DISP__NONE = 0,
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DISP_centred, /* -centered */
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DISP_ragged, /* -ragged */
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DISP_unfilled, /* -unfilled */
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DISP_filled, /* -filled */
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DISP_literal /* -literal */
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};
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enum mdoc_auth {
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AUTH__NONE = 0,
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AUTH_split, /* -split */
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AUTH_nosplit /* -nosplit */
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};
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enum mdoc_font {
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FONT__NONE = 0,
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FONT_Em, /* Em, -emphasis */
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FONT_Li, /* Li, -literal */
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FONT_Sy /* Sy, -symbolic */
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};
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struct mdoc_bd {
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const char *offs; /* -offset */
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enum mdoc_disp type; /* -ragged, etc. */
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int comp; /* -compact */
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};
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struct mdoc_bl {
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const char *width; /* -width */
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const char *offs; /* -offset */
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enum mdoc_list type; /* -tag, -enum, etc. */
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int comp; /* -compact */
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size_t ncols; /* -column arg count */
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const char **cols; /* -column val ptr */
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};
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struct mdoc_bf {
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enum mdoc_font font; /* font */
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};
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struct mdoc_an {
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enum mdoc_auth auth; /* -split, etc. */
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};
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struct mdoc_rs {
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int quote_T; /* whether to quote %T */
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};
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/*
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* Consists of normalised node arguments. These should be used instead
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* of iterating through the mdoc_arg pointers of a node: defaults are
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* provided, etc.
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*/
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union mdoc_data {
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struct mdoc_an An;
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struct mdoc_bd Bd;
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struct mdoc_bf Bf;
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struct mdoc_bl Bl;
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struct mdoc_rs Rs;
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};
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/*
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* Single node in tree-linked AST.
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*/
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struct mdoc_node {
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struct mdoc_node *parent; /* parent AST node */
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struct mdoc_node *child; /* first child AST node */
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struct mdoc_node *last; /* last child AST node */
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struct mdoc_node *next; /* sibling AST node */
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struct mdoc_node *prev; /* prior sibling AST node */
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int nchild; /* number children */
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int line; /* parse line */
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int pos; /* parse column */
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enum mdoct tok; /* tok or MDOC__MAX if none */
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int flags;
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#define MDOC_VALID (1 << 0) /* has been validated */
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#define MDOC_EOS (1 << 2) /* at sentence boundary */
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#define MDOC_LINE (1 << 3) /* first macro/text on line */
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#define MDOC_SYNPRETTY (1 << 4) /* SYNOPSIS-style formatting */
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#define MDOC_ENDED (1 << 5) /* rendering has been ended */
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#define MDOC_DELIMO (1 << 6)
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#define MDOC_DELIMC (1 << 7)
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enum mdoc_type type; /* AST node type */
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enum mdoc_sec sec; /* current named section */
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union mdoc_data *norm; /* normalised args */
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/* FIXME: these can be union'd to shave a few bytes. */
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struct mdoc_arg *args; /* BLOCK/ELEM */
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struct mdoc_node *pending; /* BLOCK */
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struct mdoc_node *head; /* BLOCK */
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struct mdoc_node *body; /* BLOCK */
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struct mdoc_node *tail; /* BLOCK */
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char *string; /* TEXT */
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const struct tbl_span *span; /* TBL */
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const struct eqn *eqn; /* EQN */
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enum mdoc_endbody end; /* BODY */
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};
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/* Names of macros. Index is enum mdoct. */
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extern const char *const *mdoc_macronames;
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/* Names of macro args. Index is enum mdocargt. */
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extern const char *const *mdoc_argnames;
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__BEGIN_DECLS
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struct mdoc;
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const struct mdoc_node *mdoc_node(const struct mdoc *);
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const struct mdoc_meta *mdoc_meta(const struct mdoc *);
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__END_DECLS
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#endif /*!MDOC_H*/
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