Initial population.

1 files changed, 92 insertions, 0 deletions

diff --git a/src/hyper/pages/CHAR.ht b/src/hyper/pages/CHAR.ht
new file mode 100644
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+++ b/src/hyper/pages/CHAR.ht
@@ -0,0 +1,92 @@
+% Copyright The Numerical Algorithms Group Limited 1992-94. All rights reserved.
+% !! DO NOT MODIFY THIS FILE BY HAND !! Created by ht.awk.
+\newcommand{\CharacterXmpTitle}{Character}
+\newcommand{\CharacterXmpNumber}{9.8}
+%
+% =====================================================================
+\begin{page}{CharacterXmpPage}{9.8 Character}
+% =====================================================================
+\beginscroll
+ 
+The members of the domain \spadtype{Character} are values
+representing letters, numerals and other text elements.
+For more information on related topics, see
+\downlink{`CharacterClass'}{CharacterClassXmpPage}\ignore{CharacterClass} and \downlink{`String'}{StringXmpPage}\ignore{String}.
+ 
+\xtc{
+Characters can be obtained using \spadtype{String} notation.
+}{
+\spadpaste{chars := [char "a", char "A", char "X", char "8", char "+"] \bound{chars}}
+}
+\xtc{
+Certain characters are available by name.
+This is the blank character.
+}{
+\spadpaste{space()}
+}
+\xtc{
+This is the quote that is used in strings.
+}{
+\spadpaste{quote()}
+}
+\xtc{
+This is the escape character that allows quotes and other characters
+within strings.
+}{
+\spadpaste{escape()}
+}
+\xtc{
+Characters are represented as integers in a machine-dependent way.
+The integer value can be obtained using the \spadfunFrom{ord}{Character}
+operation.
+It is always true that \spad{char(ord c) = c} and \spad{ord(char i) = i},
+provided that \spad{i} is in the range \spad{0..size()\$Character-1}.
+}{
+\spadpaste{[ord c for c in chars] \free{chars}}
+}
+ 
+\xtc{
+The \spadfunFrom{lowerCase}{Character} operation converts an upper case
+letter to the corresponding lower case letter.
+If the argument is not an upper case letter, then it is returned
+unchanged.
+}{
+\spadpaste{[upperCase c for c in chars] \free{chars}}
+}
+\xtc{
+Likewise, the \spadfunFrom{upperCase}{Character} operation converts lower
+case letters to upper case.
+}{
+\spadpaste{[lowerCase c for c in chars] \free{chars}}
+}
+ 
+\xtc{
+A number of tests are available to determine whether characters
+belong to certain families.
+}{
+\spadpaste{[alphabetic? c for c in chars] \free{chars}}
+}
+\xtc{
+}{
+\spadpaste{[upperCase? c for c in chars] \free{chars}}
+}
+\xtc{
+}{
+\spadpaste{[lowerCase? c for c in chars] \free{chars}}
+}
+\xtc{
+}{
+\spadpaste{[digit? c for c in chars] \free{chars}}
+}
+\xtc{
+}{
+\spadpaste{[hexDigit? c for c in chars] \free{chars}}
+}
+\xtc{
+}{
+\spadpaste{[alphanumeric? c for c in chars] \free{chars}}
+}
+\endscroll
+\autobuttons
+\end{page}
+%