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Ports the preview test from #261: with infsum written as \sum_{n=1}^{\infty}, infsum((-1)^n/n^2) previews with the summand inside the sum, not as a product with the sum inside the fraction. The fix is in lambda-feedback-packages#11. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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Stacked on #298, which pins the packages to the rc4 preview. Hold until #298 merges. Replaces #261.
The parsing fix is in lambda-feedback/lambda-feedback-packages#11. A task symbol whose LaTeX starts with a big operator (
\sum,\int,\prod,\lim,\bigcup,\bigcap) wraps its argument when applied. Withinfsumas\sum_{n=1}^{\infty},infsum((-1)^n/n^2)now previews as\sum_{n=1}^{\infty} \frac{\left(-1\right)^{n}}{n^{2}}. It used to be read as the productinfsum*(...), so the sum was drawn inside the fraction.This PR only ports #261's preview test (
test_sum_previewinapp/tests/symbolic_preview_test.py). No app code changes.Tests
test_sum_previewpasses. On rc3, 3 of its 4 cases fail.test_radians_to_frequency, and the twoa!=bfactorial cases that the Support inequalities in the answer and response #276 port fixes.🤖 Generated with Claude Code