Merge branch 'master' into comments

Author: Altai-man

doc/Language/containers.pod6

@@ -283,7 +283,7 @@ maps over a list of three elements, not of one.
 
 Complex containers, like Array or Hash and relatives, can contain a reference
 to itself, forming recursive data structures. Please note that very few builtin
-functions and methods will detect infinite loops. It is the objective of the
+functions and methods will detect infinite loops. It is the responsibility of the
 user to L<handle|/type/Promise#method_in> timeouts.
 
     my @a;

doc/Language/glossary.pod6

@@ -225,6 +225,12 @@ See also L<#Adverb>.
 Original author of the L<#Exegesis> (among many other things).
 See also L<https://en.wikipedia.org/wiki/Damian_Conway>.
 
+=head1 diffy
+X<|diffy>
+
+See L<operator|#Operator>. It means the type of the operator result is
+sufficiently different from its arguments that op= makes little sense
+
 =head1 Exegesis
 X<|Exegesis>
 
@@ -235,12 +241,17 @@ historical document for reference.  See also L<#Synopsis>.
 =head1 fiddly
 X<|fiddly>
 
+Too complicated to apply a meta-op to. See L<operator|#Operator>.
+
 =head1 handles
 X<|handles>
 
 =head1 iffy
 X<|iffy>
 
+Often used as a boolean value. See L<operator|#Operator>.
+
+
 =head1 Instance
 X<|instance>
 
@@ -688,11 +699,16 @@ B<P>lain B<O>l' B<D>ocumentation, a documentation format understood by Perl
 X<|Pull Request>
 
 A feature of L<https://github.com> that allows you to make patches
-to be easily applied using the Github user interface.
+to be easily applied using the Github user interface. It means you
+request someone to do a git pull from your L<repository|#Repository> to hers. In
+GitHub, it can be done automatically through the web  interface. PR is
+its usual acronym.
 
 =head1 pugs
 X<|pugs>
 
+L<pugs|https://en.wikipedia.org/wiki/Pugs> was one of the first interpreters/compilers written for Perl 6. It was written in Haskell by Audrey Tang.
+
 =head1 QAST
 X<|QAST>
 
@@ -709,6 +725,12 @@ means "Paradise."
 =head1 Repository
 X<|Repository>
 
+A filesystem under control of a source control management application, usually git,
+that holds the sources for a project, library or application. This file, for
+instance, is in L<a GitHub repository|https://github.com/perl6/doc>. Repositories store not only
+files, but also history of changes and can be used by the developing
+or writing team for interaction through issues or comments to code.
+
 =head1 roast
 X<|roast>