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Detail=V3; X-UI-Filterresults: notjunk:1;V01:K0:sJO8mbtFZFA=:m1PeRJ4NQaN94izNg0GtQMWN99 ykcxKQ5P9kouMWxCWSNM8s+qCFGzA5QBVwQ0Hmbj+Y/T/eiYcUMyiWNbIpBAcHtJRDprAhsex G6VPtoaJo53NJCQe76CGAXX7FdYgwWm5UvWtaMUhL6u0N4tieqocVDJjcIKamoki5G7Y5VOfM mthssnbsNe57XDXHD7lRzlA/pyVmFOqcI+HTTy3pbiQBKLTLTJt3tZm1XOzftjsC7wPqjJRXG lRtk/AMWZ9ztOMNmF7cCB31n7S4D9Hic9Tp9CFilD5PILHG6EdxtQT+jloLVivn7sG/1l/vFX ExID7+qJ4/AKC1ru3SbeSLfeG2BO9vf0suFDc82fDwzIo1k2zLO134+JTpcYKthL4umpadntF RCBhUkig18NNA0JxW/5cxwY93hn0OUwR5OBcpCaO1VPQTh2VLY41tcakCNPS7XoNNSQ7+M28f 389y5Nj0cwZBuOb+qsAYkdyStZ2Qce/QNYkB+68PtS4IHUl7UTbDfrAHlDcsN9R8K/P1iWvYj qQSW9ReVNXgLYjIGWm0K/HEwqnqbPygz0ctXPmEMsaokAAvavspfjQldWmQgsJsFOJOG78cjU WEHBGkeHHVrJr9MndOmNXcc/EXlpngRtPD/El75VxjiyY2YcRABTJqO1V0UQ4MStYQVWg2Afw k+cPjyfjArk+wGcqfBGYnBKZ7XNqPHh6QMGbaY67cu9lEaan1537V84obhedIxw1/4AbpZCqR 2+p25SH8Uvj8rf548kY4g+AEN7KLNd1ZggtJVNDrMSId4braHFBw2xl61JZC6edS/zBdNBC/q imsmeMccUtpfBw4U4OJxXRN8OPdQMecdCtjt7yxlKNsS9Vm4JCMQ1dhC8JY4fCpcKK+wdCWGI h6mP4KF3jaTRd71s7BJBaHs3hOa6Px9qqJyrHVApZ+yag94c29qZfbCMYIWdUVrH/eMpv3Xm0 vOZH3q/b8bKudbogp/cMee8AotqbTsXPvFcFeSfy/CqzelvxoUxZelbw23Ux2vNm8KUZaoO+P TehUBLuVy4MryDYimng3g3ot16cM3Q3OOW+lQ8M83DClZN11QJpGY90SRvvRCMtGvAqS8wHGh coVohzlqsrhwo0WuI2CMt7OotfTk+0WA8va02U7z1ke5GEUA6nej8iw/Fb31uyu1/4nCrnaf3 T0GmaZNtwYSGaYx8v6CaW4IqDdgQMwNfzyWmkKq0uX2Hf99L5TtYuTor/d99P+8O3xDyzE3qi YQLMXTB63XMW1/XA6CcDE9kWGDMtXvRP+YC7KfhRyKkBYm+gZpDvlFB8hpeLbQuI/btQ1Pd5s MXJjyPvKGvq1YVOFCh08/FQ0V9NMuPqqOtmD3nQQGoKfyUtAA2+FNd87Guz9yl8h6JqYgouOY gF25IDX8KibooeLXtLU7Bz5fDykk0OJCU54sYqXr53Y8wP0H6zeKiN/mR1F44AdBnWHHg/o3U PRay5tKalmikYB3pgWTcv1OsPdG0R+Z4+qupHXYQJUbs2y99kFE22UwsMq3i3LZNq5Ctu74lP 0kvQLQoM/C6a/wbGncWjQNdKorja4aAbmaNek40i+WSvG0jyoeAKOzTGqgsejSXpBuo+OnNn9 V6RP/Ok0r3kNAqxonSzEbluHQVNCr4lAZoTpQ2xxQ/eDrLEUe+VhMw== X-UI-Loop:V01:0Bn9yOQq7jM=:tBUaZoQ/VLNMH7b9l/uf4uRPTWkFfKqnImjWLnHyVeU= X-UI-Out-Filterresults: notjunk:1;V01:K0:AJ4tKJoVmcQ=:jPhhyawQ9Lmn7s0A0D2vDp ghmWIgBHHm+dx3zNC1lNiQ9U3a6OGSH16PRJBIz4y6qKns5r30S9s7B64aG7BIbiHAxd1E33t drVFRqN+v0Lp75rAksFgAjVdviY/BHnL+tfuHs3/J8uS7arRb6B3rJAvQy2Uy2vKnKpuWOIFc 5F4FSuYtkAav7ltHJQUuTxNSCjIfgKeUk/t7F7vs4Ejx5eXrdpT9e2nYGZ68ugRNQ5BJWpXIB HmbbFHks96DkZaOvmjObS3+WBAxWKJSo80ihQ5JtogNxZX3nWPTYgp3ovTwLRcPtFxJzp4olh uZP5WLs2drWtC0nA3Y8jTs3NSklya68tvrfzf4gdXnwi7G5m6Dwa8edz5/Ifx3pGdqswhPRYW rC9+8GBQce8WQV8L6IfR9heXpxTK7sUwmQ2GnqXnnEZAIFRetuJp0YQuBe1hZ1GIuImUUbU9e 217lHNPUeBnEf+OWuolZlndreDgpfRk= X-Scanned-By: MIMEDefang 2.71 on 85.214.41.38 Status: R X-Status: X-Keywords: X-UID: 8011 Happy New Year and good afternoon, Since some l3kernel update in December I am getting kernel/invalid -variant warnings, as in * LaTeX warning: "kernel/invalid-variant" * * Variant form 'cF' invalid for base form '\tl_if_blank:nF'. It is issued for the line of code \cs_generate_variant:Nn\tl_if_blank:nF{cF} that used to work without warning before. Which is the correct method for generating variants of conditionals? Alexander