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runtime(doc): update develop assumptions

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closes: #17892

Signed-off-by: Damien Lejay <damien@lejay.be>
Signed-off-by: Christian Brabandt <cb@256bit.org>
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Damien Lejay
2025-08-08 12:51:23 +02:00
committed by Christian Brabandt
parent 04c9e78cd3
commit 46ec899026
1 changed files with 9 additions and 8 deletions
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17
runtime/doc/develop.txt
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@@ -1,4 +1,4 @@
*develop.txt* For Vim version 9.1. Last change: 2025 Jul 22 *develop.txt* For Vim version 9.1. Last change: 2025 Aug 08
VIM REFERENCE MANUAL by Bram Moolenaar VIM REFERENCE MANUAL by Bram Moolenaar
@@ -291,8 +291,8 @@ initialized from words listed in COMMON items in the affix file, so that it
also works when starting a new file. also works when starting a new file.
This isn't ideal, because the longer Vim is running the higher the counts This isn't ideal, because the longer Vim is running the higher the counts
become. But in practice it is a noticeable improvement over not using the word become. But in practice it is a noticeable improvement over not using the
count. word count.
============================================================================== ==============================================================================
3. Assumptions *design-assumptions* 3. Assumptions *design-assumptions*
@@ -338,7 +338,8 @@ Therefore, the latest ISO C standard we follow is:
`C95` (ISO/IEC 9899:1990/AMD1:1995) `C95` (ISO/IEC 9899:1990/AMD1:1995)
In addition, the following two `C99` features are explicitly allowed: In addition, the following `C99` features are explicitly allowed:
– logical lines may contain up to 4095 characters;
– `//` comments, as required by |style-comments|; – `//` comments, as required by |style-comments|;
– the `_Bool` type. – the `_Bool` type.
@@ -348,11 +349,11 @@ platform.
SIZE OF VARIABLES *assumptions-variables* SIZE OF VARIABLES *assumptions-variables*
char 8-bit signed We follow POSIX.1‑2001 (SUSv3) for type sizes, which in practice means:
char_u 8-bit unsigned char_u 8-bit unsigned
int 32- or 64-bit signed (16-bit possible on legacy systems) int ≥ 32-bit signed
unsigned 32- or 64-bit unsigned unsigned ≥ 32-bit unsigned
long at least 32-bit signed (large enough to hold a pointer)
============================================================================== ==============================================================================