Add more detail to 2g3 (#1110)

Co-authored-by: Nanush7 <59543882+Nanush7@users.noreply.github.com>

wca-regulations.md

@@ -76,7 +76,7 @@ Note: Because Article and Regulation numbers are not reassigned when Regulations
     - 2e3) Competitors who have no citizenship may compete as "Stateless".
 - 2f) Competitors must obey venue rules and conduct themselves in a considerate manner.
 - 2g) Competitors must remain quiet when inside the designated competition area. Talking is permitted, but must be kept at a reasonable level, and away from competitors who are actively competing.
-    - 2g3) Competitors in a Competitor Waiting Area must not communicate with each other about the scrambled states of the puzzles of the round in progress. Penalty: disqualification of the competitor(s) from the event, at the discretion of the WCA Delegate.
+    - 2g3) Competitors in a group in progress must not communicate with other competitors in the group about the scrambled states of the group, unless both competitors are not eligible for any further attempts in the group. Penalty: disqualification of the competitor(s) from the event, at the discretion of the WCA Delegate. Exception: For 3x3x3 Fewest Moves, competitors that have finished their attempt may share the scramble sequence with anyone who is not actively competing in the relevant attempt.
 - 2h) Competitors must be fully dressed while in the competition venue. At the discretion of the WCA Delegate, competitors may be disqualified from the competition for inappropriate clothing.
 - 2i) While inspecting or solving, competitors must not use electronics or audio equipment (e.g. cell phones, MP3 players, dictaphones, additional lighting) apart from the Stackmat timer or stopwatch. Penalty: disqualification of the attempt (DNF).
     - 2i1) Competitors may use non-electronic aids that do not give an unfair advantage, at the discretion of the WCA Delegate. This includes: