diff options
Diffstat (limited to 'src/coding.c')
| -rw-r--r-- | src/coding.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/coding.c b/src/coding.c index 8dc20ef6a3a..2b7a7422d5c 100644 --- a/src/coding.c +++ b/src/coding.c @@ -7472,6 +7472,8 @@ They may specify a coding system, a cons of coding systems, or a function symbol to call. In the last case, we call the function with one argument, which is a list of all the arguments given to this function. +If the function can't decide a coding system, it can return +`undecided' so that the normal code-detection is performed. If OPERATION is `insert-file-contents', the argument corresponding to TARGET may be a cons (FILENAME . BUFFER). In that case, FILENAME is a @@ -7973,7 +7975,9 @@ and the cdr part is used for encoding. If VAL is a function symbol, the function must return a coding system or a cons of coding systems which are used as above. The function is called with an argument that is a list of the arguments with which -`find-operation-coding-system' was called. +`find-operation-coding-system' was called. If the function can't decide +a coding system, it can return `undecided' so that the normal +code-detection is performed. See also the function `find-operation-coding-system' and the variable `auto-coding-alist'. */); |