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Strange behavior with square brackets in formula and \rm subscripts

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Julian Becker

12 May 2011 12 May '11

2:01 p.m.

I just found out that I cannot (with MkIV on Windows XP, ConTeXt ver. 2011.02.09 16:42) compile the following \starttext This formula produces an error: \startformula [r_{\rm test}]=a \stopformula \stoptext \starttext However, this works: \startformula a=[r_{\rm test}] \stopformula What's going on here? Using \mathrm instead of \rm in the subscript is compiling without complaint, but produces the wrong output. Julian

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Julian Becker

12 May 12 May

2:05 p.m.

New subject: Strange behavior with square brackets in formula and \rm subscripts

just realized: is it perhaps that in the first case, the square brackets are interpreted as a list of parameters to \startformula? 2011/5/12 Julian Becker

I just found out that I cannot (with MkIV on Windows XP, ConTeXt ver. 2011.02.09 16:42) compile the following

\starttext This formula produces an error: \startformula [r_{\rm test}]=a \stopformula \stoptext \starttext However, this works: \startformula a=[r_{\rm test}] \stopformula

What's going on here? Using \mathrm instead of \rm in the subscript is compiling without complaint, but produces the wrong output.

Julian

-- Julian Becker Institut für Angewandte Physik, R.123 Westfälische Wilhelms-Universität Münster Corrensstr. 2/4 48149 Münster / Westfalen Tel. 0251 83-3 61 53 Mob. 0151 599 848 29 e-mail: j_beck16@uni-muenster.de "Keep thy heart with all diligence; for it is the wellspring of life."

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Hans Hagen

2:11 p.m.

New subject: Strange behavior with square brackets in formula and \rm subscripts

On 12-5-2011 2:05, Julian Becker wrote:

just realized: is it perhaps that in the first case, the square brackets are interpreted as a list of parameters to \startformula?

indeed, so add \relax after \startformula ----------------------------------------------------------------- Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | voip: 087 875 68 74 | www.pragma-ade.com | www.pragma-pod.nl -----------------------------------------------------------------

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luigi scarso

2:13 p.m.

New subject: Strange behavior with square brackets in formula and \rm subscripts

On Thu, May 12, 2011 at 2:11 PM, Hans Hagen wrote:

On 12-5-2011 2:05, Julian Becker wrote:

...
just realized: is it perhaps that in the first case, the square brackets are interpreted as a list of parameters to \startformula?

indeed, so add \relax after \startformula or use \left[ and \right]

-- luigi

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Julian Becker

2:26 p.m.

New subject: Strange behavior with square brackets in formula and \rm subscripts

thank you Hans and Luigi for the clarification 2011/5/12 luigi scarso

On Thu, May 12, 2011 at 2:11 PM, Hans Hagen wrote:

...
On 12-5-2011 2:05, Julian Becker wrote:

...
just realized: is it perhaps that in the first case, the square brackets are interpreted as a list of parameters to \startformula?

indeed, so add \relax after \startformula or use \left[ and \right]

-- luigi

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___________________________________________________________________________________

-- Julian Becker Institut für Angewandte Physik, R.123 Westfälische Wilhelms-Universität Münster Corrensstr. 2/4 48149 Münster / Westfalen Tel. 0251 83-3 61 53 Mob. 0151 599 848 29 e-mail: j_beck16@uni-muenster.de "Keep thy heart with all diligence; for it is the wellspring of life."

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Hans Hagen
Julian Becker
luigi scarso