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* yasnippet.el (yas-key-syntaxes): Improve documentation.

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João Távora 2014-07-29 20:40:09 +01:00
parent 7761deeeb5
commit faed1062a2
1 changed files with 13 additions and 14 deletions
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yasnippet.el
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@ -391,24 +391,23 @@ the trigger key itself."
(defvar yas-key-syntaxes (list "w" "w_" "w_." "w_.()" "^ ")
"Syntaxes and functions to help look for trigger keys before point.
Its elements can be either strings or functions (see below for
the difference) and are tried in order by the snippet expansion
mechanism until one or more expandable snippets are found.
Each element in this list specifies how to skip buffer positions
backwards and look for the start of a trigger key.
Each element is a way to skip buffer positions backwards and look
for the start of a trigger key. A string element is simply passed
to `skip-syntax-backward' whereas a function element is called
with no arguments and should also place point before the original
Each element can be either a string or a functino of no
arguments. A string element is simply passed to
`skip-syntax-backward' whereas a function element is called with
no arguments and should also place point before the original
position.
If no expandable snippets are found but the function returns the
symbol `try-again' it will be called again from the previous
position and may again reposition point until it returns some
other value.
The string between the resulting buffer position and the original
point.in the is matched against the trigger keys in the active
snippet tables.
The buffer's string starting at the resulting position and ending
at the original point is matched against the active snippet
tables.
If no expandable snippets are found, the next element is the list
is tried, unless a function element returned the symbol `again',
in which case it is called again from the previous position and
may once more reposition point.
For example, if `yas-key-syntaxes'' value is '(\"w\" \"w_\"),
trigger keys composed exclusively of \"word\"-syntax characters