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patch 8.1.1585: :let-heredoc does not trim enough

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Problem:    :let-heredoc does not trim enough.
Solution:   Trim indent from the contents based on the indent of the first
            line.  Use let-heredoc in more tests.
This commit is contained in:
Bram Moolenaar
2019-06-24 00:58:07 +02:00
parent 0a1f56fcfe
commit e7eb92708e
22 changed files with 754 additions and 653 deletions
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25
runtime/doc/eval.txt
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@@ -11565,13 +11565,24 @@ text...
If {marker} is not supplied, then "." is used as the
default marker.
Any white space characters in the lines of text are
preserved. If "trim" is specified before {marker},
then all the leading indentation exactly matching the
leading indentation before `let` is stripped from the
input lines and the line containing {marker}. Note
that the difference between space and tab matters
here.
Without "trim" any white space characters in the lines
of text are preserved. If "trim" is specified before
{marker}, then indentation is stripped so you can do: >
let text =<< trim END
if ok
echo 'done'
endif
END
< Results in: ["if ok", " echo 'done'", "endif"]
The marker must line up with "let" and the indentation
of the first line is removed from all the text lines.
Specifically: all the leading indentation exactly
matching the leading indentation of the first
non-empty text line is stripped from the input lines.
All leading indentation exactly matching the leading
indentation before `let` is stripped from the line
containing {marker}. Note that the difference between
space and tab matters here.
If {var-name} didn't exist yet, it is created.
Cannot be followed by another command, but can be