these things always seem to happen right before a presentation... i have a definition for vectors: \renewcommand{\v}[1]{\ensuremath{{\bf\vec{#1}}}} just recently, i found this produced vectors with a ~ symbol instead of the familiar vector symbol. previously, this macro always gave me nice vectors. in this code snippet: \documentclass[12pt]{article} \usepackage{amsmath} \begin{document} \begin{equation} \bf\vec{x} \end{equation} \end{document} the \vec{} produces a squiggly line, very much like \~. by commenting out the usepackage for amsmath, \vec produces the familiar vector symbol. including amsmath seems to be the culprit. i think tetex was updated a few weeks ago, and it's conceivable that i haven't noticed this behavior since then; i've been on vacation for awhile. has anyone else noticed this? pete
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