fix: correct handling comments directly in equations and spaces in math

[QuadnucYard]

Fixed some bugs introduced in #247 and #248.

• Correctly handles in-equation comments before and after Math.
• Fixed infinite spaces added before // in math.
• Fixed extra indent of array args in math.
• Eats spaces in MathAttach and MathRoot.

[github-actions]

📊 Benchmark Performance Report

group                        base                                   pr
-----                        ----                                   --
pretty-cetz-manual           1.00   761.5±10.88µs        ? ?/sec    1.00    762.5±7.82µs        ? ?/sec
pretty-codly                 1.00  1805.7±15.58µs        ? ?/sec    1.00  1800.4±17.10µs        ? ?/sec
pretty-cpe                   1.06     12.3±0.74ms        ? ?/sec    1.00     11.6±2.09ms        ? ?/sec
pretty-fletcher-diagram      1.01    518.7±6.57µs        ? ?/sec    1.00   514.7±12.21µs        ? ?/sec
pretty-fletcher-draw         1.01  1247.9±14.35µs        ? ?/sec    1.00  1238.4±13.77µs        ? ?/sec
pretty-tablex                1.01      3.4±0.03ms        ? ?/sec    1.00      3.4±0.03ms        ? ?/sec
pretty-touying-core          1.01      2.2±0.02ms        ? ?/sec    1.00      2.2±0.02ms        ? ?/sec
pretty-touying-utils         1.00  1210.7±13.57µs        ? ?/sec    1.00  1206.9±21.16µs        ? ?/sec
pretty-undergraduate-math    1.00   860.2±11.91µs        ? ?/sec    1.00    861.5±8.75µs        ? ?/sec

Generated by GitHub Actions on Wed Apr 9 14:24:34 UTC 2025