[PD] Full stop '.' in class namespace

[Jonathan Wilkes]

> On Sunday, May 12, 2019, 9:16:58 AM PDT, Christof Ressi <christof.ressi at gmx.at> wrote: 
 >> seems like using [declare] becomes unnecessary then...>> of course I think library name prefix looks ugly, > there you have it :-) [declare -lib] is here to stay.
You absolutely have to have [declare] and strongly encourage its usage.
The [declare] object hoists a message up to the top of the patch file to ensure 
that the declared libraries and paths get loaded *before* the rest of the patch file 
is evaluated. If users don't get comfortable using it to load externals then they 
quickly run into problems.

It also has an explicit and readable left-to-right ordering. If the user depends on 
implicit loading per external object box, the loading order is hidden and difficult to 
debug.
For example, imagine an external library which adds its own external loading 
mechanism, like pdlua. The user better load *that* before trying to load their 
own pdlua-based external, otherwise it won't create. Without using [declare] for 
that case, a user recently concocted a dynamic-patching solution to ensure ordering.

-Jonathan
  
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