From 7bbe686fb2e71c4abe965a4abc694d3a114402c8 Mon Sep 17 00:00:00 2001 From: Andrew Innes Date: Sun, 2 May 1999 10:51:03 +0000 Subject: [PATCH] (display_text_line): Convert unibyte char to multibyte if unibyte_display_via_language_environment is set. (unibyte_display_via_language_environment): Variable moved from xfns.c and elsewhere. (syms_of_xfns): Set up Lisp var. --- src/xdisp.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/src/xdisp.c b/src/xdisp.c index da6ec5e280b..57feb78a1bf 100644 --- a/src/xdisp.c +++ b/src/xdisp.c @@ -112,6 +112,9 @@ char *previous_echo_glyphs; /* Nonzero means truncate lines in all windows less wide than the frame */ int truncate_partial_width_windows; +/* A flag to control how to display unibyte 8-bit character. */ +int unibyte_display_via_language_environment; + /* Nonzero means we have more than one non-minibuffer-only frame. Not guaranteed to be accurate except while parsing frame-title-format. */ int multiple_frames; @@ -3825,6 +3828,12 @@ display_text_line (w, start, start_byte, vpos, hpos, taboffset, ovstr_done) by octal form. */ int remaining_bytes = len; + if (unibyte_display_via_language_environment + && SINGLE_BYTE_CHAR_P (c) + && (c >= 0240 + || (c >= 0200 && !NILP (Vnonascii_translation_table)))) + c = unibyte_char_to_multibyte (c); + if (c >= 0400 && CHAR_VALID_P (c, 0)) { /* C is a multibyte character. */ @@ -5597,6 +5606,15 @@ is not valid when these functions are called."); "*Number of characters of overlap when scrolling a one-line window.\n\ This commonly affects the minibuffer window, hence the name of the variable."); minibuffer_scroll_overlap = 20; + + DEFVAR_BOOL ("unibyte-display-via-language-environment", + &unibyte_display_via_language_environment, + "*Non-nil means display unibyte text according to language environment.\n\ +Specifically this means that unibyte non-ASCII characters\n\ +are displayed by converting them to the equivalent multibyte characters\n\ +according to the current language environment. As a result, they are\n\ +displayed according to the current fontset."); + unibyte_display_via_language_environment = 0; } /* initialize the window system */ -- 2.39.2