$v:invisible-characters

$v:invisible-characters — A list of characters that are invisible in verbatim environments.

Variable:

{http://docbook.org/ns/docbook/variables}invisible-characters

Defined in:

modules/verbatim.xsl

Used in:

modules/verbatim.xsl

Synopsis

$v:invisible-characters := ('︀', '︁', '︂', '︃', '︄', '︅', '︆', '︇', '︈', '︉', '︊', '︋', '︌', '︍', '︎', '️', '')

Description

When callouts are being inserted into a verbatim environment, the stylesheets must count the characters in each line in order to find the correct column. The characters in this list are considered invisible and do not increase the column count as they’re passed.