From 2edba21f4c59d071f2241c2f47021c7034ec7cb8 Mon Sep 17 00:00:00 2001 From: Denys Vlasenko Date: Fri, 29 Jan 2010 09:11:47 +0100 Subject: more fine-grained Unicode support Signed-off-by: Denys Vlasenko --- Config.in | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) (limited to 'Config.in') diff --git a/Config.in b/Config.in index 8e751530c..68444839d 100644 --- a/Config.in +++ b/Config.in @@ -141,6 +141,57 @@ config FEATURE_CHECK_UNICODE_IN_ENV Otherwise, Unicode support will be always enabled and active. +config SUBST_WCHAR + int "Character code to substitute unprintable characters with" + range 1 4294967295 + depends on FEATURE_ASSUME_UNICODE + default 63 + help + Typical values are 63 for '?' (works with any output device), + 30 for ASCII substitute control code, + 65533 (0xfffd) for Unicode replacement character. + +config LAST_SUPPORTED_WCHAR + int "Range of supported Unicode characters" + range 0 4294967295 + depends on FEATURE_ASSUME_UNICODE + default 767 + help + Any character with Unicode value bigger than this is assumed + to be non-printable on output device. Many applets replace + such chars with substitution character. + + The idea is that many valid printable Unicode chars are + nevertheless are not displayed correctly. Think about + combining charachers, double-wide hieroglyphs and such. + Many terminals, xterms and such will fail to handle them + correctly. + + Typical values are: + 126 - ASCII only + 767 (0x2ff) - there are no combining chars in [0..767] range + (the range includes Latin 1, Latin Ext. A and B), + code is ~700 bytes smaller for this case. + 4351 (0x10ff) - there are no double-wide chars in [0..4351] range, + code is ~300 bytes smaller for this case. + 0 - off, any valid printable Unicode character will be printed. + +config UNICODE_COMBINING_WCHARS + bool "Allow zero-width Unicode characters on output" + default n + depends on FEATURE_ASSUME_UNICODE + help + With this option off, any Unicode char with width of 0 + is substituted on output. + +config UNICODE_WIDE_WCHARS + bool "Allow wide Unicode characters on output" + default n + depends on FEATURE_ASSUME_UNICODE + help + With this option off, any Unicode char with width > 1 + is substituted on output. + config LONG_OPTS bool "Support for --long-options" default y -- cgit v1.2.3