Changes compare - Base#3
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new version adds curlys around 1, resulting in space after 1
to address double-italicizing in Safari with TEX-I and font-style:italic
not putting space between 3 and 5
…ements this prevents MJ's default click-to-explore feature, but preserves keyboard based explorer
should be treated as a string category, not like an outcome to be looked up
- -<= → \preceq (precedes or equal to ≼) - >-= → \succeq (succeeds or equal to ≽) Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
…l to - mlt → ≪ (much less than) - mgt → ≫ (much greater than) - -<= → \preceq (precedes or equal to) - >-= → \succeq (succeeds or equal to) Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
The \[...\] display math delimiter now wraps the fully converted TeX expression in applyLatexConversion instead of being applied per-token inside AMTparseSexpr. Also removes the unused isAnswerMode flag on AMtoTeX. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
…2TeX - Add Xi and Psi (capital) symbol mappings (previously rendered as literal text) - Add epsilon as alias for epsi → \epsilon (matches PROD Python behavior) - Add |== and |= → \models mappings for logical turnstile symbol - Fix norm rewriteleftright to use \lVert/\rVert for proper double bars Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Loose == 0 comparisons silently coerce non-numeric strings to 0 in PHP 7, causing symbolic matrix entries (e.g. 'a', 'a+b') to be treated as zero. Replace with === 0 / !== 0 and add is_numeric() guards where needed. Affected: matrixformat, matrixsystemdisp, matrixreduce, arrayIsZeroVector Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
When `text` was followed by a non-bracket character (e.g. `textP(...)`),
substr($str, 1, -1) extracted nearly the entire remaining string instead
of the intended single character, causing duplicated content in the output.
Fix: when $i==0 (no bracket follows), consume just the single next char
as the text argument, producing \text{P} and leaving the rest unparsed.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
…oken merging (e.g. \partialu → \partial{}u)
….g. \partialu → \partial u)
…tt→texttt, sf→textsf)" This reverts commit bf8bab0.
…anglet → \left\langle t)
This reverts commit 11b110f.
…vice verification - Add _make_link_nonce($href) helper in stats.php: signs the full href with HMAC-SHA256 over timestamp+href, returns a data-nonce attribute string - Update csvdownloadlink to build $href first, then sign it via _make_link_nonce - Accept nonce_secret from POST body in problems.php and expose via $GLOBALS so the nonce is tied to the secret supplied by the calling Python service Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
… for showplot:fn mode - assessment/macros/graph.php: add _mergeplots_extract_json_str() helper and rewrite mergeplots() else-branch to JSON-merge functions arrays when both plots are new-format showplot_with_functions embeds, preventing 2^N embed tag duplication (41MB response) - problems.php: add injectFunctionListAttributes() that post-processes drawPicture embeds to add a function_list attribute (curve/text/dot entries) consumable by the Python backend's replace_graph_function_lists() for LLM-readable <GraphData> context; applied to question, solution, and answers when showplot=fn Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
…ersions preg_replace with .*? and /s flag was hitting PCRE backtrack limit on large answer boxes (e.g. matching questions with 1MB of HTML), silently returning null and wiping the answer box content. Replaced with str_replace which has no size limitations and is more efficient. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Map `lt`, `<`, `gt`, `>` to proper LaTeX relation commands \lt and \gt instead of bare < and > characters. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
…s-function-list fix: fix mergeplots exponential embed growth and inject function_list…
Apply the same _make_link_nonce() signing pattern used in csvdownloadlink to CalcPlot3Dlink so external links carry a verifiable HMAC nonce attribute. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
…ility
The function was in stats.php (loaded only via loadlibrary("stats")),
making it unavailable to plot3d.php when stats isn't loaded. Moving it
to macros/html.php ensures it's always available since macros.php is
loaded on every question evaluation.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
…embed output Add buildGraphSettingsJson() that parses showplot args into structured JSON (view window, axes, grid, canvas config, and typed function definitions), then inject base64-encoded function data as plot-func attribute on the embed tag. plot-data (config portion) is computed but reserved for future use. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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