diff options
Diffstat (limited to 'src/coding.c')
| -rw-r--r-- | src/coding.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/coding.c b/src/coding.c index e7ff19f3929..e4ecbf50f62 100644 --- a/src/coding.c +++ b/src/coding.c @@ -8390,6 +8390,8 @@ 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 @@ -9613,8 +9615,11 @@ the file contents. If VAL is a cons of coding systems, the car part is used for decoding, 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 gets -the arguments with which `find-operation-coding-systems' was called. +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. 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'. */); |