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patch 8.1.0759: showing two characters for tab is limited

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Problem:    Showing two characters for tab is limited.
Solution:   Allow for a third character for "tab:" in 'listchars'. (Nathaniel
            Braun, Ken Takata, closes #3810)
This commit is contained in:
Bram Moolenaar
2019-01-16 22:41:54 +01:00
parent 500f361080
commit 83a52171ba
7 changed files with 118 additions and 11 deletions
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25
runtime/doc/options.txt
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@@ -5063,11 +5063,26 @@ A jump table for the options with a short description can be found at |Q_op|.
omitted, there is no extra character at the end of the
line.
*lcs-tab*
tab:xy Two characters to be used to show a tab. The first
char is used once. The second char is repeated to
fill the space that the tab normally occupies.
"tab:>-" will show a tab that takes four spaces as
">---". When omitted, a tab is show as ^I.
tab:xy[z] Two or three characters to be used to show a tab.
The third character is optional.
tab:xy The 'x' is always used, then 'y' as many times as will
fit. Thus "tab:>-" displays:
>
>-
>--
etc.
tab:xyz The 'z' is always used, then 'x' is prepended, and
then 'y' is used as many times as will fit. Thus
"tab:<->" displays:
>
<>
<->
<-->
etc.
When "tab:" is omitted, a tab is shown as ^I.
*lcs-space*
space:c Character to show for a space. When omitted, spaces
are left blank.