diff options
| -rw-r--r-- | ChangeLog | 3 | ||||
| -rw-r--r-- | doc/text.n | 22 |
2 files changed, 18 insertions, 7 deletions
@@ -1,3 +1,6 @@ +2003-12-22 Joe English <jenglish@users.sourceforge.net> + * doc/text.n: Fix markup errors (".t" at beginning of line). + 2003-12-21 David Gravereaux <davygrvy@pobox.com> * generic/tkEvent.c: Added three new functions: TkCreateExitHandler, @@ -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: text.n,v 1.23 2003/12/04 12:28:37 vincentdarley Exp $ +'\" RCS: @(#) $Id: text.n,v 1.24 2003/12/22 22:16:48 jenglish Exp $ '\" .so man.macros .TH text n 8.5 Tk "Tk Built-In Commands" @@ -2016,9 +2016,13 @@ least a partial match with the pattern. This means in the case where the first extra line added results in no match and Tcl's regexp system returns the incorrect code and adding a second extra line would actually match, the text widget will return the wrong result. In practice this is -a rare problem, but it can occur, for example: \fBpack [text .t] ; -.t insert 1.0 "aaaa\\nbbbb\\ncccc\\nbbbb\\naaaa\\n" ; .t search -regexp -- -{(a+|b+\\nc+\\nb+)+\\na+} 1.0\fR will not find a match when one exists of 19 +a rare problem, but it can occur, for example: +.CS + pack [text .t] + .t insert 1.0 "aaaa\\nbbbb\\ncccc\\nbbbb\\naaaa\\n" + .t search -regexp -- {(a+|b+\\nc+\\nb+)+\\na+} 1.0 +.CE +will not find a match when one exists of 19 characters starting from the first 'b'. .PP Whenever one possible match is fully enclosed in another, the search @@ -2028,9 +2032,13 @@ will not always achieve this, in the case where a match is preceded by one or more short, non-overlapping matches, all of which are preceded by a large match which actually encompasses all of them. The search algorithm used by the widget does not look back arbitrarily far for a -possible match which might cover large portions of the widget. For -example: \fBpack [text .t] ; .t insert 1.0 "aaaa\\nbbbb\\nbbbb\\nbbbb\\nbbbb\\n" -; .t search -regexp -backward -- {b+\\n|a+\\n(b+\\n)+} end\fR +possible match which might cover large portions of the widget. +For example: +.CS + pack [text .t] + .t insert 1.0 "aaaa\\nbbbb\\nbbbb\\nbbbb\\nbbbb\\n" + .t search -regexp -backward -- {b+\\n|a+\\n(b+\\n)+} end +.CE matches at '5.0' when a true greedy match would match at '1.0'. Similarly if we add \fB-all\fR to this case, it matches at all of '5.0', '4.0', '3.0' and '1.0', |