晋太元中,武陵人捕鱼为业。缘溪行,忘路之远近。忽逢桃花林,夹岸数百步,中无杂树,芳草鲜美,落英缤纷。渔人甚异之,复前行,欲穷其林。 林尽水源,便得一山,山有小口,仿佛若有光。便舍船,从口入。初极狭,才通人。复行数十步,豁然开朗。土地平旷,屋舍俨然,有良田、美池、桑竹之属。阡陌交通,鸡犬相闻。其中往来种作,男女衣着,悉如外人。黄发垂髫,并怡然自乐。 见渔人,乃大惊,问所从来。具答之。便要还家,设酒杀鸡作食。村中闻有此人,咸来问讯。自云先世避秦时乱,率妻子邑人来此绝境,不复出焉,遂与外人间隔。问今是何世,乃不知有汉,无论魏晋。此人一一为具言所闻,皆叹惋。余人各复延至其家,皆出酒食。停数日,辞去。此中人语云:“不足为外人道也。”(间隔 一作:隔绝) 既出,得其船,便扶向路,处处志之。及郡下,诣太守,说如此。太守即遣人随其往,寻向所志,遂迷,不复得路。 南阳刘子骥,高尚士也,闻之,欣然规往。未果,寻病终。后遂无问津者。
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This directory holds configuration files that enable MySQL to work with
different character sets. It contains:
charset_name.xml
Each charset_name.xml file contains information for a simple character
set. The information in the file describes character types,
lower- and upper-case equivalencies and sorting orders for the
character values in the set.
Index.xml
The Index.xml file lists all of the available charset configurations,
including collations.
Each collation must have a unique number. The number is stored
IN THE DATABASE TABLE FILES and must not be changed.
The max-id attribute of the <charsets> element must be set to
the largest collation number.
Compiled in or configuration file?
When should a character set be compiled in to MySQL's string library
(libmystrings), and when should it be placed in a charset_name.xml
configuration file?
If the character set requires the strcoll functions or is a
multi-byte character set, it MUST be compiled in to the string
library. If it does not require these functions, it should be
placed in a charset_name.xml configuration file.
If the character set uses any one of the strcoll functions, it
must define all of them. Likewise, if the set uses one of the
multi-byte functions, it must define them all. See the manual for
more information on how to add a complex character set to MySQL.
Syntax of configuration files
The syntax is very simple. Words in <map> array elements are
separated by arbitrary amounts of whitespace. Each word must be a
number in hexadecimal format. The ctype array has 257 words; the
other arrays (lower, upper, etc.) take up 256 words each after that.