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% Part 3: Array and other sizes for TeX, Metafont, etc.
%
% If you want to change some of these sizes only for a certain TeX
% variant, the usual dot notation works, e.g.,
% main_memory.hugetex = 20000000
%
% If a change here appears to be ignored, try redumping the format file.
% Memory. Must be less than 8,000,000 total.
%
% main_memory is relevant only to initex, extra_mem_* only to non-ini.
% Thus, have to redump the .fmt file after changing main_memory; to add
% to existing fmt files, increase extra_mem_*. (To get an idea of how
% much, try \tracingstats=2 in your TeX source file;
% web2c/tests/memtest.tex might also be interesting.)
%
% To increase space for boxes (as might be needed by, e.g., PiCTeX),
% increase extra_mem_bot.
%
% For some xy-pic samples, you may need as much as 700000 words of memory.
% For the vast majority of documents, 60000 or less will do.
%
main_memory = 5000000 % words of inimemory available; also applies to inimf&mp
extra_mem_top = 0 % extra high memory for chars, tokens, etc.
extra_mem_bot = 0 % extra low memory for boxes, glue, breakpoints, etc.
% ConTeXt needs lots of memory.
extra_mem_top.context = 2000000
extra_mem_bot.context = 4000000
% Words of font info for TeX (total size of all TFM files, approximately).
% Must be >= 20000 and <= 147483647 (without tex.ch changes).
font_mem_size = 8000000
% Total number of fonts. Must be >= 50 and <= 9000 (without tex.ch changes).
font_max = 9000
% Extra space for the hash table of control sequences.
hash_extra = 600000
% Max number of characters in all strings, including all error messages,
% help texts, font names, control sequences. These values apply to TeX.
pool_size = 6250000
% Minimum pool space after TeX's own strings; must be at least
% 25000 less than pool_size, but doesn't need to be nearly that large.
string_vacancies = 90000
% Maximum number of strings.
max_strings = 500000
% min pool space left after loading .fmt
pool_free = 47500
% Buffer size. TeX uses the buffer to contain input lines, but macro
% expansion works by writing material into the buffer and reparsing the
% line. As a consequence, certain constructs require the buffer to be
% very large, even though most documents can be handled with a small value.
buf_size = 200000
% Hyphenation trie. The maximum possible is 4194303 (ssup_trie_size in
% the sources), but we don't need that much. The value here suffices
% for all known free hyphenation patterns to be loaded simultaneously
% (as TeX Live does).
%
trie_size = 1000000
hyph_size = 8191 % prime number of hyphenation exceptions, >610, <32767.
% http://primes.utm.edu/curios/page.php/8191.html
nest_size = 500 % simultaneous semantic levels (e.g., groups)
max_in_open = 15 % simultaneous input files and error insertions,
% also applies to MetaPost
param_size = 10000 % simultaneous macro parameters, also applies to MP
save_size = 100000 % for saving values outside current group
stack_size = 5000 % simultaneous input sources
% These are Omega-specific.
ocp_buf_size = 500000 % character buffers for ocp filters.
ocp_stack_size = 10000 % stacks for ocp computations.
ocp_list_size = 1000 % control for multiple ocps.
% These work best if they are the same as the I/O buffer size, but it
% doesn't matter much. Must be a multiple of 8.
dvi_buf_size = 16384 % TeX
gf_buf_size = 16384 % MF
% It's probably inadvisable to change these. At any rate, we must have:
% 45 < error_line < 255;
% 30 < half_error_line < error_line - 15;
% 60 <= max_print_line;
% These apply to TeX, Metafont, and MetaPost.
error_line = 79
half_error_line = 50
max_print_line = 79
% Metafont only.
screen_width.mf = 1664
screen_depth.mf = 1200
% BibTeX only (max_strings also determines hash_size and hash_prime).
ent_str_size = 500
glob_str_size = 200000
max_strings.bibtex = 200000
max_strings.bibtex8 = 200000
max_strings.bibtexu = 200000
max_strings.pbibtex = 200000
max_strings.upbibtex= 200000
% GFtype only.
line_length.gftype = 500
max_rows.gftype = 8191
max_cols.gftype = 8191
% Guess input encoding (SJIS vs. Unicode, etc.) in pTeX and friends?
% Default is 1, to guess. Used on Windows only.
guess_input_kanji_encoding = 1
% command_line_encoding
%
% This variable is used on Windows only, and affects 4 TeX engines:
% uptex, euptex, pdftex, xetex, and 2 drivers: dvips, [x]dvipdfmx.
% Several applications also are affected by the variable:
% dvi2tty.exe, disdvi.exe, dvibook.exe, dviconcat.exe, dviselect.exe,
% dvitodvi.exe, and dvidvi.exe.
% Only values utf8 or utf-8 are meaningful. Other values are simply
% ignored. If file names in sources and DVI or XDV files are ASCII
% only, the value of command_line_encoding is irrelevant.
% If command_line_encoding = utf8 or command_line_encoding = utf-8,
% file names in sources and DVI or XDV files are assumed to be UTF-8.
% Default is utf-8, from 2019-07-24, to assume UTF-8 file names.
% In order to switch off the function, define an environment variable:
% set command_line_encoding=none
% or write a line:
% command_line_encoding = none
% in a texmf.cnf prefered, for example $TEXMFLOCAL/web2c/texmf.cnf.
command_line_encoding = utf-8
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