Revision 1847274

"Applied fix from plugins for revision: 1847272  " 
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r1847272 | jleroux | 2018-11-23 15:27:05 +0100 (ven. 23 nov. 2018) | 10 lignes

Fixed: Plugins Asciidoc documentation must be standalone
(OFBIZ-10658)

Completes the standalone document part as required by guidelines.

Note that using ":toclevels: 3" does not work when generating with Gradle 
because of the OOTB definition "'toclevels': '5'" in build.gradle

It does when used apart in Asciidoc editors. I believe OOTB a 3 levels is enough
 and the numbers are superfluous if not unpleasant.
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