summaryrefslogtreecommitdiff
path: root/tex/context/base/node-rul.mkiv
diff options
context:
space:
mode:
Diffstat (limited to 'tex/context/base/node-rul.mkiv')
-rw-r--r--tex/context/base/node-rul.mkiv37
1 files changed, 23 insertions, 14 deletions
diff --git a/tex/context/base/node-rul.mkiv b/tex/context/base/node-rul.mkiv
index 5b260e669..54a43a006 100644
--- a/tex/context/base/node-rul.mkiv
+++ b/tex/context/base/node-rul.mkiv
@@ -21,15 +21,14 @@
%D overstrike,overstrikes,
%D setupbar}
%D
-%D In the rare case that we need undelined words, for instance
-%D because all font alternatives are already in use, one can
-%D use \type{\underbar} and \type{\overstrike} and their plural
-%D forms.
+%D In the rare case that we need undelined words, for instance because all font
+%D alternatives are already in use, one can use \type {\underbar} and \type
+%D {\overstrike} and their plural forms.
%D
%D \startbuffer
-%D \underbars{drawing \underbar{bars} under words is a typewriter leftover}
-%D \overstrikes{striking words makes them \overstrike{unreadable} but
-%D sometimes even \overbar{top lines} come into view.}
+%D \underbars {drawing \underbar{bars} under words is a typewriter leftover}
+%D \overstrikes {striking words makes them \overstrike {unreadable} but
+%D sometimes even \overbar {top lines} come into view.}
%D \stopbuffer
%D
%D \typebuffer
@@ -38,9 +37,9 @@
%D \getbuffer
%D \stoplines
%D
-%D The next macros are derived from the \PLAIN\ \TEX\ one, but
-%D also supports nesting. The \type{$} keeps us in horizontal
-%D mode and at the same time applies grouping.
+%D The next macros are derived from the \PLAIN\ \TEX\ one, but also supports
+%D nesting. The \type{$} keeps us in horizontal mode and at the same time
+%D applies grouping.
%D
%D \showsetup{underbar}
%D \showsetup{underbars}
@@ -51,9 +50,19 @@
%D
%D \showsetup{setupunderbar}
%D
-%D Nested bars can be configured by appending \type {:<index>} to the
-%D category.
-
+%D Nested bars can be configured by appending \type {:<index>} to the category.
+%D Normally units in combination with a unitless thickness specification but
+%D there units can be used too.
+%D
+%D \startbuffer
+%D \setupbars[unit=mm,rulethickness=1] bar\startbar[underbar]foo\stopbar bar\blank
+%D \setupbars[unit=ex,rulethickness=1] bar\startbar[underbar]foo\stopbar bar\blank
+%D \setupbars[unit=pt,rulethickness=1] bar\startbar[underbar]foo\stopbar bar\blank
+%D \setupbars[unit=pt,rulethickness=10pt] bar\startbar[underbar]foo\stopbar bar
+%D \stopbuffer
+%D
+%D \typebuffer \blank \getbuffer \blank
+%D
%D As with many early usage of \LUA\ in \MKIV\ this mechanism explores a way
%D to deal with local settings at the \TEX\ end and remembering parameters
%D at the \LUA\ end. We might do things differently now, but as settings normally
@@ -107,7 +116,7 @@
offset = \barparameter\c!offset,
continue = "\barparameter\c!continue",
dy = \barparameter\c!dy,
- rulethickness = \barparameter\c!rulethickness,
+ rulethickness = "\barparameter\c!rulethickness",
unit = "\barparameter\c!unit",
order = "\barparameter\c!order",
max = \barparameter\c!max,