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This package, initially based on txfonts, provides many fixes and enhancements to the txfonts package, splitting it into two separate packages---newtxtext and newtxmath, which may be run independently of one another. It provides scaling, improved metrics, and other options. In particular, newtxmath offers a libertine option which substitutes Linux Libertine (provided with TeXLive and MikTeX) italic and Greek letters for the default Times letters, providing a good match for the Libertine text font, which is heavier than Computer Modern but lighter than Times, and in my experience, looks very sharp and clear on the screen.
-Current version: 1.75 2024-06-20
+Current version: 1.754 2024-09-22
This material is subject to the LaTeX Project Public License. See http://www.ctan.org/license/lppl1.3
for the details of that license.
+Changes in version 1.754
+Modified some entries in the \DeclareMathSizes tables, mainly so that 9pt scripstyle would render a little smaller, and more like 90% of the value for 10pt.
+
+Changes in version 1.753
+Small changes to a metrics and/or side-bearings for math symbols
+-, +, \times, \div, <, >, \leq, \geq, =, \neq in order to match
+better. (Thanks, Henrik Schumacher.)
+
+Changes in version 1.752
+Small addition to newtxmath so that with option gelasio, the operator
+fd is changed to ot1mingelasio.fd, whose fonts have XCharter Greek upper case.
+
+Changes in version 1.751
+Reworked the scaling calculations in newtx.sty to repair the handling of the scaling of sans text.
+
Changes in version 1.75
Added code to newtx.sty and newtxmath.sty to support gelasio small caps, additional
-figure in pdflatex and math. (Best to use gelasiomath.sty as the interface as it adds
+figures in pdflatex and math. (Best to use gelasiomath.sty as the interface as it adds
supporting code and calls newtx and thereby newtxmath in the proper order
and with matching scales.)