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% Part 3: Array and other sizes for TeX (and Metafont and MetaPost).
%
% 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
% with fmtutil-sys.
% 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 = 30000000 % words of inimemory available; also applies to inimf&mp
extra_mem_top = 10000000 % extra high memory for chars, tokens, etc.
extra_mem_bot = 10000000 % extra low memory for boxes, glue, breakpoints, etc.
% Words of font info for TeX (total size of all TFM files, approximately).
% Must be >= 20000 and <= 4000000 (without tex.ch changes).
%font_mem_size = 1200000
% Total number of fonts. Must be >= 50 and <= 2000 (without tex.ch changes).
%font_max = 2000
% Extra space for the hash table of control sequences (which allows 10K
% names as distributed).
%hash_extra = 50000
% Max number of characters in all strings, including all error messages,
% help texts, font names, control sequences. These values apply to TeX and MP.
%pool_size = 1250000
% Minimum pool space after TeX/MP'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 = 100000
% 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 = 400000
%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
%param_size = 10000 % simultaneous macro parameters
save_size = 150000 % for saving values outside current group
stack_size = 150000 % simultaneous input sources
% 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 Metafont and MetaPost as well.
error_line = 254
half_error_line = 127
max_print_line = 32000
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