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Diffstat (limited to 'tex/context/base/math-dim.lua')
| -rw-r--r-- | tex/context/base/math-dim.lua | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/tex/context/base/math-dim.lua b/tex/context/base/math-dim.lua index f21575a1d..604d390da 100644 --- a/tex/context/base/math-dim.lua +++ b/tex/context/base/math-dim.lua @@ -9,6 +9,16 @@ if not modules then modules = { } end modules ['math-dim'] = { -- Beware: only Taco really understands in depth what these dimensions do so -- if you run into problems ... +-- The radical_rule value is also used as a trigger. In luatex the accent +-- placement happens either the opentype way (using top_accent cum suis) or the +-- traditional way. In order to determine what method to use the \Umathradicalrule +-- setting is consulted to determine what method to use. This is more efficient +-- than analyzing the (potentially spread over multiple families) situation. For +-- this reason we need to set the radical_rule here. It used to be "<unset>" in +-- which case the engine takes the rulethickness. In c-speak: +-- +-- int compat_mode = (radical_rule(cur_style) == undefined_math_parameter) ; + local abs, next = math.abs, next local defaults = { @@ -85,7 +95,8 @@ local defaults = { ['default']={ "RadicalExtraAscender", "default_rule_thickness" }, }, ['radical_rule']={ - ['default']={ "RadicalRuleThickness", "<not set>" }, + ['default']={ "RadicalRuleThickness", "default_rule_thickness" }, + -- ['default']={ "surd_height(f)", "default_rule_thickness" }, }, ['radical_vgap']={ ['default']={ "RadicalVerticalGap", "default_rule_thickness+(abs(default_rule_thickness)/4)" }, |