L2/12-387

Title: Proposed BD11

Source: Andrew Glass

Date: Nov 8, 2012

BD11. Paired punctuation marks are pairs of characters A and B where the following conditions are true:

When two pairs of different types of paired punctuation marks overlap, only the first pair in logical order will be considered to be valid paired punctuation marks.

Examples of showing valid and invalid paired punctuation marks

Text Pairings

1 2 3 4 5 6 7 8 9

a ( b ) c 2-4

a ) b ( c None

a ( b ] c None

a ( b { c } d ) e 2-8, 4-6

a ( b ) c ( d ) e 2-4, 6-8

a ( b ) c ) d 2-4

a ( b [ c ) d ] e 2-6

a ( b ] c ) d 2-6

a ( b ( c ) d 4-6