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StTeXsrc.zoo
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page.h
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1988-03-13
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/*
* @(#)page.h 2.5 EPA
*
* Copyright 1987,1988 Pat J Monardo
*
* Redistribution of this file is permitted through
* the specifications in the file COPYING.
*
*
*/
global ptr last_page_glue;
#define active_height active_width
#define cur_height active_height[1]
ptr prune_page_top();
global scal best_height_plus_depth;
#define DEPLORABLE 100000
ptr vert_break();
ptr vsplit();
global ptr page_tail;
global int page_contents;
#define INSERTS_ONLY 1
#define BOX_THERE 2
global ptr best_page_break;
global scal best_size;
global scal page_max_depth;
global val least_page_cost;
#define INSERTING 0
#define SPLIT_UP 1
#define broken_ptr(N) link(N + 1)
#define broken_ins(N) info(N + 1)
#define last_ins_ptr(N) link(N + 2)
#define best_ins_ptr(N) info(N + 2)
#define PAGE_INS_NODE_SIZE 4
global scal page_so_far[];
#define page_goal page_so_far[0]
#define page_total page_so_far[1]
#define page_shrink page_so_far[6]
#define page_depth page_so_far[7]
global ptr last_glue;
global val last_penalty;
global scal last_kern;
global val insert_penalties;
int print_totals();
#define start_new_page() \
{page_contents = EMPTY; \
page_tail = page_head; \
link(page_head) = NULL; \
last_glue = MAX_HALFWORD; \
last_penalty = 0; \
last_kern = 0; \
page_depth = 0; \
page_max_depth = 0;}
int freeze_page_specs();
global bool output_active;
int ensure_vbox();
int box_error();
int build_page();
int fire_up();
#define contrib_tail nest[0].tail_field