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output $ or \( instead of <x-equation> in html output #284

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output $ or \( instead of <x-equation> in html output #284

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6c6d28b
add options to render math for mathjax
acmepjz Jun 8, 2025
406e412
Merge branch 'master' into for_md4lean
acmepjz Jun 8, 2025
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28 changes: 24 additions & 4 deletions src/md4c-html.c
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Original file line number Diff line number Diff line change
Expand Up @@ -460,8 +460,18 @@ enter_span_callback(MD_SPANTYPE type, void* detail, void* userdata)
case MD_SPAN_IMG: render_open_img_span(r, (MD_SPAN_IMG_DETAIL*) detail); break;
case MD_SPAN_CODE: RENDER_VERBATIM(r, "<code>"); break;
case MD_SPAN_DEL: RENDER_VERBATIM(r, "<del>"); break;
case MD_SPAN_LATEXMATH: RENDER_VERBATIM(r, "<x-equation>"); break;
case MD_SPAN_LATEXMATH_DISPLAY: RENDER_VERBATIM(r, "<x-equation type=\"display\">"); break;
case MD_SPAN_LATEXMATH:
if (r->flags & MD_HTML_FLAG_MATHJAX) {
if (r->flags & MD_HTML_FLAG_MATHJAX_USE_DOLLAR) RENDER_VERBATIM(r, "$");
else RENDER_VERBATIM(r, "\\(");
} else RENDER_VERBATIM(r, "<x-equation>");
break;
case MD_SPAN_LATEXMATH_DISPLAY:
if (r->flags & MD_HTML_FLAG_MATHJAX) {
if (r->flags & MD_HTML_FLAG_MATHJAX_USE_DOLLAR) RENDER_VERBATIM(r, "$$");
else RENDER_VERBATIM(r, "\\[");
} else RENDER_VERBATIM(r, "<x-equation type=\"display\">");
break;
case MD_SPAN_WIKILINK: render_open_wikilink_span(r, (MD_SPAN_WIKILINK_DETAIL*) detail); break;
}

Expand All @@ -486,8 +496,18 @@ leave_span_callback(MD_SPANTYPE type, void* detail, void* userdata)
case MD_SPAN_IMG: render_close_img_span(r, (MD_SPAN_IMG_DETAIL*) detail); break;
case MD_SPAN_CODE: RENDER_VERBATIM(r, "</code>"); break;
case MD_SPAN_DEL: RENDER_VERBATIM(r, "</del>"); break;
case MD_SPAN_LATEXMATH: /*fall through*/
case MD_SPAN_LATEXMATH_DISPLAY: RENDER_VERBATIM(r, "</x-equation>"); break;
case MD_SPAN_LATEXMATH:
if (r->flags & MD_HTML_FLAG_MATHJAX) {
if (r->flags & MD_HTML_FLAG_MATHJAX_USE_DOLLAR) RENDER_VERBATIM(r, "$");
else RENDER_VERBATIM(r, "\\)");
} else RENDER_VERBATIM(r, "</x-equation>");
break;
case MD_SPAN_LATEXMATH_DISPLAY:
if (r->flags & MD_HTML_FLAG_MATHJAX) {
if (r->flags & MD_HTML_FLAG_MATHJAX_USE_DOLLAR) RENDER_VERBATIM(r, "$$");
else RENDER_VERBATIM(r, "\\]");
} else RENDER_VERBATIM(r, "</x-equation>");
break;
case MD_SPAN_WIKILINK: RENDER_VERBATIM(r, "</x-wikilink>"); break;
}

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2 changes: 2 additions & 0 deletions src/md4c-html.h
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Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,8 @@
#define MD_HTML_FLAG_VERBATIM_ENTITIES 0x0002
#define MD_HTML_FLAG_SKIP_UTF8_BOM 0x0004
#define MD_HTML_FLAG_XHTML 0x0008
#define MD_HTML_FLAG_MATHJAX 0x1000
#define MD_HTML_FLAG_MATHJAX_USE_DOLLAR 0x2000


/* Render Markdown into HTML.
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