/[emacs]/emacs/src/region-cache.h
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revision 1.4 by schwab, Tue Nov 25 13:24:09 1997 UTC revision 1.4.20.1 by miles, Fri Apr 4 06:21:03 2003 UTC
# Line 86  extern void invalidate_region_cache P_ ( Line 86  extern void invalidate_region_cache P_ (
86                                           struct region_cache *CACHE,                                           struct region_cache *CACHE,
87                                           int HEAD, int TAIL));                                           int HEAD, int TAIL));
88    
89  /* The scanning functions.  /* The scanning functions.
90    
91     Basically, if you're scanning forward/backward from position POS,     Basically, if you're scanning forward/backward from position POS,
92     and region_cache_forward/backward returns true, you can skip all     and region_cache_forward/backward returns true, you can skip all
# Line 96  extern void invalidate_region_cache P_ ( Line 96  extern void invalidate_region_cache P_ (
96     might be able to avoid scanning it again.  */     might be able to avoid scanning it again.  */
97    
98  /* Return true if the text immediately after POS in BUF is known, for  /* Return true if the text immediately after POS in BUF is known, for
99     the purposes of CACHE.  If NEXT is non-zero, set *NEXT to the nearest     the purposes of CACHE.  If NEXT is non-zero, set *NEXT to the nearest
100     position after POS where the knownness changes.  */     position after POS where the knownness changes.  */
101  extern int region_cache_forward P_ ((struct buffer *BUF,  extern int region_cache_forward P_ ((struct buffer *BUF,
102                                       struct region_cache *CACHE,                                       struct region_cache *CACHE,

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