On 25-11-2011 10:29, Ian Lawrence wrote:
Maybe it’s possible with MkIV to check if the text before the \unit command was
a number but of the number is part of the unit them put in the command, such
things are always tricky with TeX and it’s better to force users to use proper
input.
Within \type{phys-dim.lua} all the units and all the prefixes seem to have
capitalised names; in fact, they should be all lowercase (even when they
are named after some person). The exception is Celsius.
I suggested a list to Hans some time ago, so more than one person has this
opinion...
The list is just an internal one. The reason for capatilzation is that
in the old module we had \Bla \Foo etc an dI want to keep that property
and it's easier to lowercase a string than to selectively uppercase it.
Also, for some cases Capitalization gives more robust parsing as we can
have collapsed units.
Anyway, users can use lowercase so they can avoid it.
I think this is a feature because Hans saves also a lowercase version of all
keywords and you can use both as input.
I wonder whether \tex{unit} should only parse and format units, and have
another macro \tex{quan} or \tex{quantity} to handle number+unit
combinations
(obviously using \tex{digit} and \tex{unit}).
I put my solution to this (expressing physical quantities) on the wiki a while
ago….
First we need to get the parsing right, then we can look into other
features and cultural issues.
Hans
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