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-rw-r--r--src/nvim/spell.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/src/nvim/spell.c b/src/nvim/spell.c
index adfbbb9573..1bd0b9c85f 100644
--- a/src/nvim/spell.c
+++ b/src/nvim/spell.c
@@ -960,7 +960,7 @@ bool can_compound(slang_T *slang, const char_u *word, const char_u *flags)
// compound rule. This is used to stop trying a compound if the flags
// collected so far can't possibly match any compound rule.
// Caller must check that slang->sl_comprules is not NULL.
-bool match_compoundrule(slang_T *slang, char_u *compflags)
+bool match_compoundrule(slang_T *slang, const char_u *compflags)
{
// loop over all the COMPOUNDRULE entries
for (char_u *p = slang->sl_comprules; *p != NUL; p++) {
@@ -2184,7 +2184,7 @@ static void use_midword(slang_T *lp, win_T *wp)
// Find the region "region[2]" in "rp" (points to "sl_regions").
// Each region is simply stored as the two characters of its name.
// Returns the index if found (first is 0), REGION_ALL if not found.
-static int find_region(char_u *rp, char_u *region)
+static int find_region(const char_u *rp, const char_u *region)
{
int i;
@@ -2209,7 +2209,7 @@ static int find_region(char_u *rp, char_u *region)
/// @param[in] end End of word or NULL for NUL delimited string
///
/// @returns Case type of word
-int captype(char_u *word, char_u *end)
+int captype(char_u *word, const char_u *end)
FUNC_ATTR_NONNULL_ARG(1)
{
char_u *p;
@@ -2814,7 +2814,7 @@ static void spell_soundfold_sofo(slang_T *slang, char_u *inword, char_u *res)
// Turn "inword" into its sound-a-like equivalent in "res[MAXWLEN]".
// Multi-byte version of spell_soundfold().
-static void spell_soundfold_wsal(slang_T *slang, char_u *inword, char_u *res)
+static void spell_soundfold_wsal(slang_T *slang, const char_u *inword, char_u *res)
{
salitem_T *smp = (salitem_T *)slang->sl_sal.ga_data;
int word[MAXWLEN] = { 0 };