On 2026-04-29 at 17:31+09:00, Nguyễn Gia Phong wrote: > On 2026-04-28 at 22:28-05:00, G. Branden Robinson wrote: > > On 2026-03-26 at 13:48+09:00, Nguyễn Gia Phong wrote: > > > XML only defines four entities (< > & ") out of the box, > > > others need to be declared in the document's DOCTYPE. > > > For web feeds such as RSS and Atom, is is particularly cumbersome > > > to define the math entities as these feeds are supposed > > > to be stand-alone and thus the entity definitions have to be inlined. > > > > > > Therefore, character references are now used > > > instead of entity references, making the MathML output > > > directly embeddable into these feeds. The entity table > > > is no longer used and thus removed. > > > > > > * src/preproc/eqn/text.cpp: Remove struct map, entity_table, > > > and special_to_entity. Include "unicode.h" header file. > > > (special_char_box::output): Instead of named entity reference, > > > print XML character reference with Unicode codepoint for MathML. > > > Add support for Unicode code sequence as an input character. > > > > > > References: https://www.w3.org/TR/REC-xml/#sec-references > > > > if I understand your analysis correctly, you're probably > > on the right track: the special character rewriting table > > that GNU eqn uses for MathML mode is flat wrong, [so] copying > > or reusing the one for troff output. > > I'm not claiming it is flat wrong or buggy, but rather > it has a rather limited usefulness, as the generated MathML > *cannot* be embedded in web feeds. > > I assume that very few people make use of the MathML output, > hence many problems remain undetected.
Gentle ping, I'm very much anticipating this patch to be applied in the upcoming 1.25 release!
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