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patch 8.2.2805: Vim9: cannot use legacy syntax in Vim9 script

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Problem:    Vim9: cannot use legacy syntax in Vim9 script.
Solution:   Add the :legacy command.
This commit is contained in:
Bram Moolenaar
2021-04-24 14:15:41 +02:00
parent 7ba1e4d363
commit 96cf4ba8fb
11 changed files with 64 additions and 28 deletions
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1
runtime/doc/index.txt
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@@ -1396,6 +1396,7 @@ tag command action ~
|:lfdo| :lfd[o] execute command in each file in location list
|:left| :le[ft] left align lines
|:leftabove| :lefta[bove] make split window appear left or above
|:legacy| :leg[acy] make following command use legacy script syntax
|:let| :let assign a value to a variable or option
|:lexpr| :lex[pr] read locations from expr and jump to first
|:lfile| :lf[ile] read file with locations and jump to first

9
runtime/doc/vim9.txt
View File

@@ -61,12 +61,17 @@ Vim9 script and legacy Vim script can be mixed. There is no requirement to
rewrite old scripts, they keep working as before. You may want to use a few
`:def` functions for code that needs to be fast.
*:vim9* *:vim9cmd*
:vim9[cmd] {cmd}
:vim9[cmd] {cmd} *:vim9* *:vim9cmd*
Execute {cmd} using Vim9 script syntax and semantics.
Useful when typing a command and in a legacy script or
function.
:leg[acy] {cmd} *:leg* *:legacy*
Execute {cmd} using legacy script syntax and semantics. Only
useful in a Vim9 script or a :def function.
Note that {cmd} cannot use local variables, since it is parsed
with legacy expression syntax.
==============================================================================
2. Differences from legacy Vim script *vim9-differences*