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vim-patch:8.2.3747: cannot remove highlight from an existing sign
Problem: Cannot remove highlight from an existing sign. (James McCoy)
Solution: Only reject empty argument for a new sign.
0bac5fc5e1
This commit is contained in:
@@ -943,19 +943,35 @@ int sign_define_by_name(char_u *name, char_u *icon, char_u *linehl, char_u *text
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}
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if (linehl != NULL) {
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sp->sn_line_hl = syn_check_group((char *)linehl, (int)STRLEN(linehl));
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if (*linehl == NUL) {
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sp->sn_line_hl = 0;
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} else {
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sp->sn_line_hl = syn_check_group((char *)linehl, (int)STRLEN(linehl));
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}
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}
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if (texthl != NULL) {
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sp->sn_text_hl = syn_check_group((char *)texthl, (int)STRLEN(texthl));
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if (*texthl == NUL) {
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sp->sn_text_hl = 0;
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} else {
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sp->sn_text_hl = syn_check_group((char *)texthl, (int)STRLEN(texthl));
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}
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}
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if (culhl != NULL) {
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sp->sn_cul_hl = syn_check_group((char *)culhl, (int)STRLEN(culhl));
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if (*culhl == NUL) {
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sp->sn_cul_hl = 0;
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} else {
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sp->sn_cul_hl = syn_check_group((char *)culhl, (int)STRLEN(culhl));
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}
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}
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if (numhl != NULL) {
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sp->sn_num_hl = syn_check_group(numhl, (int)STRLEN(numhl));
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if (*numhl == NUL) {
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sp->sn_num_hl = 0;
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} else {
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sp->sn_num_hl = syn_check_group(numhl, (int)STRLEN(numhl));
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}
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}
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return OK;
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@@ -1153,6 +1169,9 @@ static void sign_define_cmd(char_u *sign_name, char_u *cmdline)
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char_u *culhl = NULL;
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char_u *numhl = NULL;
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int failed = false;
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sign_T *sp_prev;
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bool exists = sign_find(sign_name, &sp_prev) != NULL;
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// set values for a defined sign.
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for (;;) {
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@@ -1169,28 +1188,28 @@ static void sign_define_cmd(char_u *sign_name, char_u *cmdline)
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text = vim_strnsave(arg, (size_t)(p - arg));
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} else if (STRNCMP(arg, "linehl=", 7) == 0) {
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arg += 7;
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if (check_empty_group(p - arg, "linehl") == FAIL) {
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if (!exists && check_empty_group(p - arg, "linehl") == FAIL) {
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failed = true;
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break;
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}
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linehl = vim_strnsave(arg, (size_t)(p - arg));
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} else if (STRNCMP(arg, "texthl=", 7) == 0) {
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arg += 7;
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if (check_empty_group(p - arg, "texthl") == FAIL) {
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if (!exists && check_empty_group(p - arg, "texthl") == FAIL) {
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failed = true;
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break;
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}
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texthl = vim_strnsave(arg, (size_t)(p - arg));
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} else if (STRNCMP(arg, "culhl=", 6) == 0) {
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arg += 6;
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if (check_empty_group(p - arg, "culhl") == FAIL) {
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if (!exists && check_empty_group(p - arg, "culhl") == FAIL) {
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failed = true;
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break;
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}
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culhl = vim_strnsave(arg, (size_t)(p - arg));
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} else if (STRNCMP(arg, "numhl=", 6) == 0) {
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arg += 6;
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if (check_empty_group(p - arg, "numhl") == FAIL) {
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if (!exists && check_empty_group(p - arg, "numhl") == FAIL) {
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failed = true;
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break;
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}
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