patch 8.1.2156: first character after Tab is not highlighted
Problem: First character after Tab is not highlighted.
Solution: Remember the syntax attribute for a column.
diff --git a/src/drawline.c b/src/drawline.c
index 1f02eef..15761bf 100644
--- a/src/drawline.c
+++ b/src/drawline.c
@@ -289,6 +289,8 @@
#ifdef FEAT_SYN_HL
int vcol_save_attr = 0; // saved attr for 'cursorcolumn'
int syntax_attr = 0; // attributes desired by syntax
+ int prev_syntax_col = -1; // column of prev_syntax_attr
+ int prev_syntax_attr = 0; // syntax_attr at prev_syntax_col
int has_syntax = FALSE; // this buffer has syntax highl.
int save_did_emsg;
int draw_color_col = FALSE; // highlight colorcolumn
@@ -1414,12 +1416,20 @@
did_emsg = FALSE;
v = (long)(ptr - line);
- can_spell = TRUE;
- syntax_attr = get_syntax_attr((colnr_T)v,
+ if (v == prev_syntax_col)
+ // at same column again
+ syntax_attr = prev_syntax_attr;
+ else
+ {
+ can_spell = TRUE;
+ syntax_attr = get_syntax_attr((colnr_T)v,
# ifdef FEAT_SPELL
has_spell ? &can_spell :
# endif
NULL, FALSE);
+ prev_syntax_col = v;
+ prev_syntax_attr = syntax_attr;
+ }
// combine syntax attribute with 'wincolor'
if (syntax_attr != 0 && win_attr != 0)
diff --git a/src/testdir/dumps/Test_syntax_c_01.dump b/src/testdir/dumps/Test_syntax_c_01.dump
index 2fea5d6..54e34a6 100644
--- a/src/testdir/dumps/Test_syntax_c_01.dump
+++ b/src/testdir/dumps/Test_syntax_c_01.dump
@@ -12,9 +12,9 @@
|}| @73
@3|s+0#00e0003&|t|a|t|i|c| +0#0000000&|v+0#00e0003&|o|i|d| +0#0000000&@60
|m|y|F|u|n|c|t|i|o|n|(|c+0#00e0003&|o|n|s|t| +0#0000000&|d+0#00e0003&|o|u|b|l|e| +0#0000000&|c|o|u|n|t|,| |s+0#00e0003&|t|r|u|c|t| +0#0000000&|n|o|t|h|i|n|g|,| |l+0#00e0003&|o|n|g| +0#0000000&|t|h|e|r|e|)| |{| @14
-@2|/+0#0000e05&@1| |1+0#e000002&|2|3|:+0#0000e05&| |n|o|t|h|i|n|g| |t|o| |r|e|a|d| |h|e|r|e| +0#0000000&@44
-@2|f+0#af5f00255&|o|r| +0#0000000&|(|i+0#00e0003&|n|t| +0#0000000&|i| |=| |0+0#e000002&|;+0#0000000&| |i| |<| |c|o|u|n|t|;| |+@1|i|)| |{| @39
-@4|b+0#af5f00255&|r|e|a|k|;+0#0000000&| @64
-@2|}| @71
+@1| +0#0000e05&@6|/@1| |1+0#e000002&|2|3|:+0#0000e05&| |n|o|t|h|i|n|g| |t|o| |r|e|a|d| |h|e|r|e| +0#0000000&@38
+@1| +0#af5f00255&@6|f|o|r| +0#0000000&|(|i+0#00e0003&|n|t| +0#0000000&|i| |=| |0+0#e000002&|;+0#0000000&| |i| |<| |c|o|u|n|t|;| |+@1|i|)| |{| @33
+@11|b+0#af5f00255&|r|e|a|k|;+0#0000000&| @57
+@8|}| @65
|}| @73
-|"|X|t|e|s|t|.|c|"| |1|9|L|,| |3|6|4|C| @37|1|,|1| @10|A|l@1|
+|"|X|t|e|s|t|.|c|"| |1|9|L|,| |3|6|1|C| @37|1|,|1| @10|A|l@1|
diff --git a/src/testdir/test_syntax.vim b/src/testdir/test_syntax.vim
index 0479901..c7d6f2d 100644
--- a/src/testdir/test_syntax.vim
+++ b/src/testdir/test_syntax.vim
@@ -551,10 +551,10 @@
\ '}',
\ ' static void',
\ 'myFunction(const double count, struct nothing, long there) {',
- \ ' // 123: nothing to read here',
- \ ' for (int i = 0; i < count; ++i) {',
- \ ' break;',
- \ ' }',
+ \ "\t// 123: nothing to read here",
+ \ "\tfor (int i = 0; i < count; ++i) {",
+ \ "\t break;",
+ \ "\t}",
\ '}',
\ ], 'Xtest.c')
diff --git a/src/version.c b/src/version.c
index 6de34d4..573b5cc 100644
--- a/src/version.c
+++ b/src/version.c
@@ -754,6 +754,8 @@
static int included_patches[] =
{ /* Add new patch number below this line */
/**/
+ 2156,
+/**/
2155,
/**/
2154,