diff options
Diffstat (limited to 'source/luametatex/source/tex/texlinebreak.c')
| -rw-r--r-- | source/luametatex/source/tex/texlinebreak.c | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/source/luametatex/source/tex/texlinebreak.c b/source/luametatex/source/tex/texlinebreak.c index 821613c60..0c2445ffe 100644 --- a/source/luametatex/source/tex/texlinebreak.c +++ b/source/luametatex/source/tex/texlinebreak.c @@ -1407,7 +1407,7 @@ static void tex_aux_post_line_break(const line_break_properties *properties, hal A core aspect of the linebreak algorithm is the calculation of badness. The formula currently used has evolved with the tex versions before Don Knuth settled on this approach. And I (HH) admit that I see no real reason to change something here. The only possible extension could - be changing the hardcoded |loose_criterium| of 99 and |decent_criterium| of 12. These could + be changing the hardcoded |loose_criterion| of 99 and |decent_criterion| of 12. These could become parameters instead. When looking at the code you will notice a loop that runs from |very_loose_fit| to |tight_fit| with the following four steps: @@ -1427,11 +1427,12 @@ static void tex_aux_post_line_break(const line_break_properties *properties, hal experiment. However, the result is not that spectacular: I'm pretty sure that users will not be able to choose consistently what result looks better, but who knows. For the moment I keep it, if only to be able to discuss it as useless extension. Configuring the value s - is done with |\linebreakcriterium| which gets split into 4 parts (2 bytes per criterium). + is done with |\linebreakcriterion| which gets split into 4 parts (2 bytes per criterion). It is probably hard to explain to users what a different setting does and although one can force different output in narrow raggedright text it would probbably enough to just make - the |decent_criterium| configureable. Anyway, because we're talking heuristics and pretty + + the |decent_criterion| configureable. Anyway, because we're talking heuristics and pretty good estimates from Don Knuth here, it would be pretentious to suggest that I really did research this fuzzy topic (if it was worth the effort at all). @@ -1485,22 +1486,22 @@ halfword tex_badness(scaled t, scaled s) } } -inline static void tex_split_line_break_criterium(halfword criterium, halfword *semi_tight, halfword *decent, halfword *semi_loose, halfword *loose) { - *semi_tight = (criterium >> 24) & 0x7F; - *decent = (criterium >> 16) & 0x7F; - *semi_loose = (criterium >> 8) & 0x7F; - *loose = criterium & 0x7F; +inline static void tex_split_line_break_criterion(halfword criterion, halfword *semi_tight, halfword *decent, halfword *semi_loose, halfword *loose) { + *semi_tight = (criterion >> 24) & 0x7F; + *decent = (criterion >> 16) & 0x7F; + *semi_loose = (criterion >> 8) & 0x7F; + *loose = criterion & 0x7F; if (! *semi_tight) { - *semi_tight = semi_tight_criterium; + *semi_tight = semi_tight_criterion; } if (! *decent) { - *decent = decent_criterium; + *decent = decent_criterion; } if (! *semi_loose) { - *semi_loose = semi_loose_criterium; + *semi_loose = semi_loose_criterion; } if (! *loose) { - *loose = loose_criterium; + *loose = loose_criterion; } } @@ -1629,7 +1630,7 @@ static void tex_aux_try_break( */ halfword semi_tight, decent, semi_loose, loose; /*tex in par node */ - tex_split_line_break_criterium(line_break_criterium_par, &semi_tight, &decent, &semi_loose, &loose); + tex_split_line_break_criterion(line_break_criterion_par, &semi_tight, &decent, &semi_loose, &loose); /*tex Make sure that |pi| is in the proper range; */ if (penalty >= infinite_penalty) { /*tex this breakpoint is inhibited by infinite penalty */ |