diff options
Diffstat (limited to 'doc/library.n')
| -rw-r--r-- | doc/library.n | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/doc/library.n b/doc/library.n index 7fcd574..29b3045 100644 --- a/doc/library.n +++ b/doc/library.n @@ -5,7 +5,7 @@ '\" See the file "license.terms" for information on usage and redistribution '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES. '\" -'\" RCS: @(#) $Id: library.n,v 1.26 2009/07/24 09:27:17 dkf Exp $ +'\" RCS: @(#) $Id: library.n,v 1.27 2010/01/14 11:47:08 dkf Exp $ .so man.macros .TH library n "8.0" Tcl "Tcl Built-In Commands" .BS @@ -39,7 +39,7 @@ its own library of support procedures as well; the location of this library is normally given by the value of the \fB$\fIapp\fB_library\fR global variable, where \fIapp\fR is the name of the application. For example, the location of the Tk library is kept in the variable -\fB$tk_library\fR. +\fBtk_library\fR. .PP To access the procedures in the Tcl library, an application should source the file \fBinit.tcl\fR in the library, for example with @@ -85,8 +85,8 @@ matching rules of \fBnamespace import\fR. This command attempts to load the definition for a Tcl command named \fIcmd\fR. To do this, it searches an \fIauto-load path\fR, which is a list of one or more directories. The auto-load path is given by the -global variable \fB$auto_path\fR if it exists. If there is no -\fB$auto_path\fR variable, then the TCLLIBPATH environment variable is +global variable \fBauto_path\fR if it exists. If there is no +\fBauto_path\fR variable, then the TCLLIBPATH environment variable is used, if it exists. Otherwise the auto-load path consists of just the Tcl library directory. Within each directory in the auto-load path there must be a file \fBtclIndex\fR that describes one or more @@ -200,7 +200,7 @@ relative to the executable file in a parallel build tree. \fBparray \fIarrayName\fR Prints on standard output the names and values of all the elements in the array \fIarrayName\fR. -\fBArrayName\fR must be an array accessible to the caller of \fBparray\fR. +\fIArrayName\fR must be an array accessible to the caller of \fBparray\fR. It may be either local or global. .TP \fBtcl_endOfWord \fIstr start\fR @@ -242,7 +242,9 @@ boundary. .SH "VARIABLES" .PP The following global variables are defined or used by the procedures in -the Tcl library: +the Tcl library. They fall into two broad classes, handling unknown +commands and packages, and determining what are words. +.SS "AUTOLOADING AND PACKAGE MANAGEMENT VARIABLES" .TP \fBauto_execs\fR Used by \fBauto_execok\fR to record information about whether @@ -264,10 +266,10 @@ any commands. If set, then it must contain a valid Tcl list giving directories to search during auto-load operations. This variable is initialized during startup to contain, in order: -the directories listed in the TCLLIBPATH environment variable, -the directory named by the $tcl_library variable, -the parent directory of $tcl_library, -the directories listed in the $tcl_pkgPath variable. +the directories listed in the \fBTCLLIBPATH\fR environment variable, +the directory named by the \fBtcl_library\fR variable, +the parent directory of \fBtcl_library\fR, +the directories listed in the \fBtcl_pkgPath\fR variable. .TP \fBenv(TCL_LIBRARY)\fR If set, then it specifies the location of the directory containing @@ -283,6 +285,10 @@ Tcl format, using .QW / as the path separator, regardless of platform. This variable is only used when initializing the \fBauto_path\fR variable. +.SS "WORD BOUNDARY DETERMINATION VARIABLES" +These variables are only used in the \fBtcl_endOfWord\fR, +\fBtcl_startOfNextWord\fR, \fBtcl_startOfPreviousWord\fR, +\fBtcl_wordBreakAfter\fR, and \fBtcl_wordBreakBefore\fR commands. .TP \fBtcl_nonwordchars\fR This variable contains a regular expression that is used by routines |