Re: [NTG-context] Characters allowed in macro names

22 Apr 2018


      On 4/22/2018 5:23 PM, N. Raghavendra wrote:
...
I was wondering if it is alright to use underscores in the names of
macros, e.g, as in the following file.  It looks like \startsetups, and
\def accept names with hyphens, underscores, and numerals, but
\starttexdefinition doesn't tolerate any of them.
1. In general, what characters are allowed in macro names?  Are Unicode
    characters admissible?
letters are (and _ is not a letter, unless we're in unprotected mode)
...
2. Apart from the fact that one can use whitespace freely in
    \starttexdefinition, is there any reason to prefer it over \def?
depends ... sometimes more readble ... spaces are ignores ... you can 
use named parameters
...
Thanks,
Raghu.
------------------------------------------------------------
\starttext
\startsetups [hello-world_1]
   Hello, world 1!
\stopsetups
\setups [hello-world_1]
\def\hello-world_2{Hello, world 2!}
\hello-world_2
\starttexdefinition helloWorld
   Hello, world!
\stoptexdefinition
\helloWorld
%% Doesn't work
%% \starttexdefinition fooBar1
%%   Foo, bar 1!
%% \stoptexdefinition
%%
%% \fooBar1
%% Doesn't work
%% \starttexdefinition foo_bar
%%   Foo, bar!
%% \stoptexdefinition
%%
%% \foo_bar
%% Doesn't work
%% \starttexdefinition foo-bar
%%   Foo, bar!
%% \stoptexdefinition
%%
%% \foo-bar
\stoptext
------------------------------------------------------------
--
N. Raghavendra , http://www.retrotexts.net/
Harish-Chandra Research Institute, http://www.hri.res.in/
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