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Simplify TeXinfo files by eliminating redundant @iftex followed by @tex construction. spellchecked all .txi and .texi files.
author Rik <rdrider0-list@yahoo.com>
date Sun, 17 May 2009 12:18:06 -0700
parents 58604c45ca74
children 322f43e0e170
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 @c Copyright (C) 1996, 1997, 1999, 2000, 2002, 2003, 2004, 2005,
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2 @c 2006, 2007, 2008, 2009 John W. Eaton
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3 @c
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4 @c This file is part of Octave.
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5 @c
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6 @c Octave is free software; you can redistribute it and/or modify it
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7 @c under the terms of the GNU General Public License as published by the
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8 @c Free Software Foundation; either version 3 of the License, or (at
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9 @c your option) any later version.
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10 @c
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11 @c Octave is distributed in the hope that it will be useful, but WITHOUT
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12 @c ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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13 @c FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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14 @c for more details.
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15 @c
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16 @c You should have received a copy of the GNU General Public License
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17 @c along with Octave; see the file COPYING. If not, see
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18 @c <http://www.gnu.org/licenses/>.
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19
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20 @node Strings
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21 @chapter Strings
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22 @cindex strings
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23 @cindex character strings
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24 @opindex "
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25 @opindex '
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26
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27 A @dfn{string constant} consists of a sequence of characters enclosed in
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28 either double-quote or single-quote marks. For example, both of the
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29 following expressions
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30
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31 @example
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32 @group
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33 "parrot"
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34 'parrot'
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35 @end group
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36 @end example
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37
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38 @noindent
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39 represent the string whose contents are @samp{parrot}. Strings in
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40 Octave can be of any length.
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41
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42 Since the single-quote mark is also used for the transpose operator
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43 (@pxref{Arithmetic Ops}) but double-quote marks have no other purpose in Octave,
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44 it is best to use double-quote marks to denote strings.
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45
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46 Strings can be concatenated using the notation for defining matrices. For
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47 example, the expression
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48
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49 @example
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50 [ "foo" , "bar" , "baz" ]
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51 @end example
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52
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53 @noindent
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54 produces the string whose contents are @samp{foobarbaz}. @xref{Numeric Data
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55 Types}, for more information about creating matrices.
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56
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57 @menu
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58 * Escape Sequences in string constants::
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59 * Character Arrays::
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60 * Creating Strings::
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61 * Comparing Strings::
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62 * Manipulating Strings::
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63 * String Conversions::
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64 * Character Class Functions::
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65 @end menu
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66
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67 @node Escape Sequences in string constants
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68 @section Escape Sequences in string constants
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69 @cindex escape sequence notation
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70 In double-quoted strings, the backslash character is used to introduce
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71 @dfn{escape sequences} that represent other characters. For example,
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72 @samp{\n} embeds a newline character in a double-quoted string and
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73 @samp{\"} embeds a double quote character. In single-quoted strings, backslash
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74 is not a special character. Here is an example showing the difference:
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75
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76 @example
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77 @group
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78 toascii ("\n")
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79 @result{} 10
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80 toascii ('\n')
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81 @result{} [ 92 110 ]
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82 @end group
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83 @end example
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84
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85 Here is a table of all the escape sequences used in Octave (within
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86 double quoted strings). They are the same as those used in the C
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87 programming language.
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88
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89 @table @code
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90 @item \\
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91 Represents a literal backslash, @samp{\}.
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92
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93 @item \"
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94 Represents a literal double-quote character, @samp{"}.
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95
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96 @item \'
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97 Represents a literal single-quote character, @samp{'}.
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98
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99 @item \0
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100 Represents the ``nul'' character, control-@@, ASCII code 0.
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101
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102 @item \a
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103 Represents the ``alert'' character, control-g, ASCII code 7.
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104
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105 @item \b
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106 Represents a backspace, control-h, ASCII code 8.
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107
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108 @item \f
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109 Represents a formfeed, control-l, ASCII code 12.
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110
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111 @item \n
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112 Represents a newline, control-j, ASCII code 10.
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113
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114 @item \r
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115 Represents a carriage return, control-m, ASCII code 13.
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116
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117 @item \t
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118 Represents a horizontal tab, control-i, ASCII code 9.
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119
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120 @item \v
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121 Represents a vertical tab, control-k, ASCII code 11.
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122
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123 @c We don't do octal or hex this way yet.
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124 @c
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125 @c @item \@var{nnn}
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126 @c Represents the octal value @var{nnn}, where @var{nnn} are one to three
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127 @c digits between 0 and 7. For example, the code for the ASCII ESC
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128 @c (escape) character is @samp{\033}.@refill
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129 @c
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130 @c @item \x@var{hh}@dots{}
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131 @c Represents the hexadecimal value @var{hh}, where @var{hh} are hexadecimal
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132 @c digits (@samp{0} through @samp{9} and either @samp{A} through @samp{F} or
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133 @c @samp{a} through @samp{f}). Like the same construct in @sc{ansi} C,
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134 @c the escape
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135 @c sequence continues until the first non-hexadecimal digit is seen. However,
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136 @c using more than two hexadecimal digits produces undefined results. (The
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137 @c @samp{\x} escape sequence is not allowed in @sc{posix} @code{awk}.)@refill
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138 @end table
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139
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140 In a single-quoted string there is only one escape sequence: you may insert a
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141 single quote character using two single quote characters in succession. For
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142 example,
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143
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144 @example
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145 @group
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146 'I can''t escape'
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147 @result{} I can't escape
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148 @end group
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149 @end example
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150
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151
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152 @node Character Arrays
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153 @section Character Arrays
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154
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155 The string representation used by Octave is an array of characters, so
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156 internally the string "dddddddddd" is actually a row vector of length 10
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157 containing the value 100 in all places (100 is the ASCII code of "d"). This
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158 lends itself to the obvious generalization to character matrices. Using a
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159 matrix of characters, it is possible to represent a collection of same-length
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160 strings in one variable. The convention used in Octave is that each row in a
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161 character matrix is a separate string, but letting each column represent a
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162 string is equally possible.
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163
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164 The easiest way to create a character matrix is to put several strings
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165 together into a matrix.
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166
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167 @example
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168 collection = [ "String #1"; "String #2" ];
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169 @end example
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170
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171 @noindent
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172 This creates a 2-by-9 character matrix.
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173
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174 The function @code{ischar} can be used to test if an object is a character
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175 matrix.
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176
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177 @DOCSTRING(ischar)
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178
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179 To test if an object is a string (i.e., a character vector and not a character
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180 matrix) you can use the @code{ischar} function in combination with the
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181 @code{isvector} function as in the following example:
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182
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183 @example
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184 @group
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185 ischar(collection)
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186 @result{} ans = 1
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187
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188 ischar(collection) && isvector(collection)
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189 @result{} ans = 0
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190
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191 ischar("my string") && isvector("my string")
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192 @result{} ans = 1
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193 @end group
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194 @end example
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195
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196 One relevant question is, what happens when a character matrix is
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197 created from strings of different length. The answer is that Octave
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198 puts blank characters at the end of strings shorter than the longest
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199 string. It is possible to use a different character than the
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200 blank character using the @code{string_fill_char} function.
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201
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202 @DOCSTRING(string_fill_char)
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203
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204 This shows a problem with character matrices. It simply isn't possible to
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205 represent strings of different lengths. The solution is to use a cell array of
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206 strings, which is described in @ref{Cell Arrays of Strings}.
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207
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208 @node Creating Strings
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209 @section Creating Strings
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210
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211 The easiest way to create a string is, as illustrated in the introduction,
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212 to enclose a text in double-quotes or single-quotes. It is however
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213 possible to create a string without actually writing a text. The
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214 function @code{blanks} creates a string of a given length consisting
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215 only of blank characters (ASCII code 32).
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216
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217 @DOCSTRING(blanks)
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218
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219 @menu
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220 * Concatenating Strings::
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221 * Conversion of Numerical Data to Strings::
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222 @end menu
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223
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224 @node Concatenating Strings
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225 @subsection Concatenating Strings
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226
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227 It has been shown above that strings can be concatenated using matrix notation
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228 (@pxref{Strings}, @ref{Character Arrays}). Apart from that, there are several
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229 functions to concatenate string objects: @code{char},
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230 @code{strvcat}, @code{strcat} and @code{cstrcat}. In addition, the general
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231 purpose concatenation functions can be used: see @ref{doc-cat,,cat},
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232 @ref{doc-horzcat,,horzcat} and @ref{doc-vertcat,,vertcat}.
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233
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234 @itemize @bullet
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235 @item All string concatenation functions except @code{cstrcat}
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236 convert numerical input into character data by taking the corresponding ASCII
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237 character for each element, as in the following example:
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238
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239 @example
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240 @group
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241 char([98, 97, 110, 97, 110, 97])
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242 @result{} ans =
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243 banana
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244 @end group
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245 @end example
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246
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247 @item
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248 @code{char} and @code{strvcat}
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249 concatenate vertically, while @code{strcat} and @code{cstrcat} concatenate
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250 horizontally. For example:
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251
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252 @example
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253 @group
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254 char("an apple", "two pears")
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255 @result{} ans =
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256 an apple
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257 two pears
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258 @end group
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259
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260 @group
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261 strcat("oc", "tave", " is", " good", " for you")
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262 @result{} ans =
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263 octave is good for you
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264 @end group
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265 @end example
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266
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267 @item @code{char} generates an empty row in the output
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268 for each empty string in the input. @code{strvcat}, on the other hand,
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269 eliminates empty strings.
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270
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271 @example
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272 @group
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273 char("orange", "green", "", "red")
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274 @result{} ans =
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275 orange
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276 green
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277
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278 red
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279 @end group
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280
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281 @group
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282 strvcat("orange", "green", "", "red")
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283 @result{} ans =
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284 orange
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285 green
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286 red
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287 @end group
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288 @end example
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289
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290 @item All string concatenation functions except @code{cstrcat} also accept cell
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291 array data (@pxref{Cell Arrays}). @code{char} and
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292 @code{strvcat} convert cell arrays into character arrays, while @code{strcat}
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293 concatenates within the cells of the cell arrays:
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294
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295 @example
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296 @group
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297 char(@{"red", "green", "", "blue"@})
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298 @result{} ans =
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299 red
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300 green
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301
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302 blue
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303 @end group
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304
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305 @group
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306 strcat(@{"abc"; "ghi"@}, @{"def"; "jkl"@})
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307 @result{} ans =
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308 @{
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309 [1,1] = abcdef
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310 [2,1] = ghijkl
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311 @}
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312 @end group
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313 @end example
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314
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315 @item @code{strcat} removes trailing white space in the arguments (except
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316 within cell arrays), while @code{cstrcat} leaves white space untouched. Both
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317 kinds of behavior can be useful as can be seen in the examples:
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318
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319 @example
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320 @group
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321 strcat(["dir1";"directory2"], ["/";"/"], ["file1";"file2"])
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322 @result{} ans =
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323 dir1/file1
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324 directory2/file2
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325 @end group
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326 @group
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327
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328 cstrcat(["thirteen apples"; "a banana"], [" 5$";" 1$"])
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329 @result{} ans =
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330 thirteen apples 5$
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331 a banana 1$
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332 @end group
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333 @end example
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334
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335 Note that in the above example for @code{cstrcat}, the white space originates
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336 from the internal representation of the strings in a string array
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337 (@pxref{Character Arrays}).
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338 @end itemize
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339
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340 @DOCSTRING(char)
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341
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342 @DOCSTRING(strvcat)
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343
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344 @DOCSTRING(strcat)
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345
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346 @DOCSTRING(cstrcat)
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347
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348 @node Conversion of Numerical Data to Strings
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349 @subsection Conversion of Numerical Data to Strings
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350 Apart from the string concatenation functions (@pxref{Concatenating Strings})
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351 which cast numerical data to the corresponding ASCII characters, there are
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352 several functions that format numerical data as strings. @code{mat2str} and
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353 @code{num2str} convert real or complex matrices, while @code{int2str} converts
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354 integer matrices. @code{int2str} takes the real part of complex values and
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355 round fractional values to integer. A more flexible way to format numerical
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356 data as strings is the @code{sprintf} function (@pxref{Formatted Output},
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357 @ref{doc-sprintf}).
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358
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359 @DOCSTRING(mat2str)
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360
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361 @DOCSTRING(num2str)
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362
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363 @DOCSTRING(int2str)
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364
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365 @node Comparing Strings
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366 @section Comparing Strings
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367
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368 Since a string is a character array, comparisons between strings work
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369 element by element as the following example shows:
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370
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371 @example
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372 @group
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373 GNU = "GNU's Not UNIX";
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374 spaces = (GNU == " ")
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375 @result{} spaces =
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376 0 0 0 0 0 1 0 0 0 1 0 0 0 0
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377 @end group
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378 @end example
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379
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380 @noindent To determine if two strings are identical it is necessary to use the
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381 @code{strcmp} function. It compares complete strings and is case
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382 sensitive. @code{strncmp} compares only the first @code{N} characters (with
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383 @code{N} given as a parameter). @code{strcmpi} and @code{strncmpi} are the
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384 corresponding functions for case-insensitive comparison.
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385
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386 @DOCSTRING(strcmp)
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387
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388 @DOCSTRING(strncmp)
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389
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390 @DOCSTRING(strcmpi)
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391
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392 @DOCSTRING(strncmpi)
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393
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394 @DOCSTRING(validatestring)
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395
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396 @node Manipulating Strings
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397 @section Manipulating Strings
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398
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399 Octave supports a wide range of functions for manipulating strings.
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400 Since a string is just a matrix, simple manipulations can be accomplished
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401 using standard operators. The following example shows how to replace
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402 all blank characters with underscores.
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403
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404 @example
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405 @group
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406 quote = ...
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407 "First things first, but not necessarily in that order";
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408 quote( quote == " " ) = "_"
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409 @result{} quote =
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410 First_things_first,_but_not_necessarily_in_that_order
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411 @end group
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412 @end example
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413
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414 For more complex manipulations, such as searching, replacing, and
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415 general regular expressions, the following functions come with Octave.
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416
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417 @DOCSTRING(deblank)
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418
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419 @DOCSTRING(strtrim)
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420
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421 @DOCSTRING(strtrunc)
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422
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423 @DOCSTRING(findstr)
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424
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425 @DOCSTRING(strchr)
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426
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427 @DOCSTRING(index)
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428
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429 @DOCSTRING(rindex)
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430
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431 @DOCSTRING(strfind)
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432
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433 @DOCSTRING(strmatch)
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434
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435 @DOCSTRING(strtok)
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436
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437 @DOCSTRING(strsplit)
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438
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439 @DOCSTRING(strrep)
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440
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441 @DOCSTRING(substr)
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442
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443 @DOCSTRING(regexp)
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444
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445 @DOCSTRING(regexpi)
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446
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447 @DOCSTRING(regexprep)
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448
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449 @DOCSTRING(regexptranslate)
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450
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451 @node String Conversions
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452 @section String Conversions
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453
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454 Octave supports various kinds of conversions between strings and
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455 numbers. As an example, it is possible to convert a string containing
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456 a hexadecimal number to a floating point number.
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457
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458 @example
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459 @group
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460 hex2dec ("FF")
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461 @result{} ans = 255
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462 @end group
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463 @end example
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464
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4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3294
diff changeset
465 @DOCSTRING(bin2dec)
3294
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
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466
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
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parents: 3294
diff changeset
467 @DOCSTRING(dec2bin)
3294
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
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parents:
diff changeset
468
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
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parents: 3294
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469 @DOCSTRING(dec2hex)
3294
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parents:
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470
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
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parents: 3294
diff changeset
471 @DOCSTRING(hex2dec)
3294
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
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parents:
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472
3920
87db95b22f8f [project @ 2002-05-01 04:07:31 by jwe]
jwe
parents: 3893
diff changeset
473 @DOCSTRING(dec2base)
87db95b22f8f [project @ 2002-05-01 04:07:31 by jwe]
jwe
parents: 3893
diff changeset
474
87db95b22f8f [project @ 2002-05-01 04:07:31 by jwe]
jwe
parents: 3893
diff changeset
475 @DOCSTRING(base2dec)
87db95b22f8f [project @ 2002-05-01 04:07:31 by jwe]
jwe
parents: 3893
diff changeset
476
7639
b2fbb393a072 Add the num2hex and hex2num functions
David Bateman <dbateman@free.fr>
parents: 7081
diff changeset
477 @DOCSTRING(num2hex)
b2fbb393a072 Add the num2hex and hex2num functions
David Bateman <dbateman@free.fr>
parents: 7081
diff changeset
478
b2fbb393a072 Add the num2hex and hex2num functions
David Bateman <dbateman@free.fr>
parents: 7081
diff changeset
479 @DOCSTRING(hex2num)
b2fbb393a072 Add the num2hex and hex2num functions
David Bateman <dbateman@free.fr>
parents: 7081
diff changeset
480
6623
545847da3b88 [project @ 2007-05-15 02:23:08 by jwe]
jwe
parents: 6570
diff changeset
481 @DOCSTRING(str2double)
3920
87db95b22f8f [project @ 2002-05-01 04:07:31 by jwe]
jwe
parents: 3893
diff changeset
482
6623
545847da3b88 [project @ 2007-05-15 02:23:08 by jwe]
jwe
parents: 6570
diff changeset
483 @DOCSTRING(strjust)
6502
6ab0a8767780 [project @ 2007-04-06 03:32:06 by jwe]
jwe
parents: 6501
diff changeset
484
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
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parents: 3294
diff changeset
485 @DOCSTRING(str2num)
3294
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
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parents:
diff changeset
486
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
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parents: 3294
diff changeset
487 @DOCSTRING(toascii)
3294
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
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parents:
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488
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3294
diff changeset
489 @DOCSTRING(tolower)
3294
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
490
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
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parents: 3294
diff changeset
491 @DOCSTRING(toupper)
3294
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
492
3428
5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe]
jwe
parents: 3402
diff changeset
493 @DOCSTRING(do_string_escapes)
5b77cf82393c [project @ 2000-01-14 02:54:53 by jwe]
jwe
parents: 3402
diff changeset
494
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3294
diff changeset
495 @DOCSTRING(undo_string_escapes)
3294
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
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496
4167
aae05d51353c [project @ 2002-11-12 02:52:50 by jwe]
jwe
parents: 3920
diff changeset
497 @node Character Class Functions
3294
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
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498 @section Character Class Functions
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
499
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
500 Octave also provides the following character class test functions
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
501 patterned after the functions in the standard C library. They all
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
502 operate on string arrays and return matrices of zeros and ones.
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
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503 Elements that are nonzero indicate that the condition was true for the
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
504 corresponding character in the string array. For example,
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
505
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
506 @example
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
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507 @group
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
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508 isalpha ("!Q@@WERT^Y&")
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
509 @result{} [ 0, 1, 0, 1, 1, 1, 1, 0, 1, 0 ]
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
510 @end group
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
511 @end example
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
512
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3294
diff changeset
513 @DOCSTRING(isalnum)
3294
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
514
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3294
diff changeset
515 @DOCSTRING(isalpha)
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3294
diff changeset
516
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3294
diff changeset
517 @DOCSTRING(isascii)
3294
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jwe
parents:
diff changeset
518
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3294
diff changeset
519 @DOCSTRING(iscntrl)
3294
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
520
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
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parents: 3294
diff changeset
521 @DOCSTRING(isdigit)
3294
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
522
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3294
diff changeset
523 @DOCSTRING(isgraph)
3294
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
524
6549
5a5a09d7deb8 [project @ 2007-04-20 06:55:29 by jwe]
jwe
parents: 6502
diff changeset
525 @DOCSTRING(isletter)
5a5a09d7deb8 [project @ 2007-04-20 06:55:29 by jwe]
jwe
parents: 6502
diff changeset
526
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3294
diff changeset
527 @DOCSTRING(islower)
3294
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
528
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3294
diff changeset
529 @DOCSTRING(isprint)
3294
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
530
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3294
diff changeset
531 @DOCSTRING(ispunct)
3294
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
532
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3294
diff changeset
533 @DOCSTRING(isspace)
3294
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
534
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3294
diff changeset
535 @DOCSTRING(isupper)
3294
bfe1573bd2ae [project @ 1999-10-19 10:06:07 by jwe]
jwe
parents:
diff changeset
536
3361
4f40efa995c1 [project @ 1999-11-19 21:19:37 by jwe]
jwe
parents: 3294
diff changeset
537 @DOCSTRING(isxdigit)
7984
bbaa5d7d0143 Some documentation updates
David Bateman <dbateman@free.fr>
parents: 7639
diff changeset
538
bbaa5d7d0143 Some documentation updates
David Bateman <dbateman@free.fr>
parents: 7639
diff changeset
539 @DOCSTRING(isstrprop)