Template talk:Demo of attempt to use parameters within TeX

{{Demo of attempt to use parameters within TeX|4||abc=def}} and {{Demo of attempt to use parameters within TeX|6||abc=def}}

give

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Attempt to use template parameters within <math>...</math>:

${1}+{abc}$

${CURRENTDAY}CURRENTDAY$

${tc}tc$

Failed to parse (syntax error): {\displaystyle {{#expr:2+3}}}

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Compare using "#tag:math":

$4+def$

$13CURRENTDAY$

$intc$

$5$

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For a=4, $a^{2}<30$

4$^{2}<30$

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Attempt to use template parameters within <math>...</math>:

${1}+{abc}$

${CURRENTDAY}CURRENTDAY$

${tc}tc$

Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "http://localhost:6011/meta.wikimedia.org/v1/":): {\displaystyle {{#expr:2+3}}}

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Compare using "#tag:math":

$6+def$

$13CURRENTDAY$

$intc$

$5$

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For a=6, $a^{2}\geq 30$

6$^{2}\geq 30$

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Conclusion: parameters are not substituted, {{{1}}} is interpreted as 1, etc.

However, math tags inside a template parameter are allowed:

{{x2|<math>\frac{a}{b} = e^2</math>}} gives: ${\frac {a}{b}}=e^{2}$${\frac {a}{b}}=e^{2}$

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